http://git-wip-us.apache.org/repos/asf/flink/blob/7081836e/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple10.java
----------------------------------------------------------------------
diff --git 
a/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple10.java 
b/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple10.java
deleted file mode 100644
index ea24f40..0000000
--- a/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple10.java
+++ /dev/null
@@ -1,289 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-// --------------------------------------------------------------
-//  THIS IS A GENERATED SOURCE FILE. DO NOT EDIT!
-//  GENERATED FROM org.apache.flink.api.java.tuple.TupleGenerator.
-// --------------------------------------------------------------
-
-
-package org.apache.flink.api.java.tuple;
-
-import org.apache.flink.util.StringUtils;
-
-/**
- * A tuple with 10 fields. Tuples are strongly typed; each field may be of a 
separate type.
- * The fields of the tuple can be accessed directly as public fields (f0, f1, 
...) or via their position
- * through the {@link #getField(int)} method. The tuple field positions start 
at zero.
- * <p>
- * Tuples are mutable types, meaning that their fields can be re-assigned. 
This allows functions that work
- * with Tuples to reuse objects in order to reduce pressure on the garbage 
collector.
- *
- * @see Tuple
- *
- * @param <T0> The type of field 0
- * @param <T1> The type of field 1
- * @param <T2> The type of field 2
- * @param <T3> The type of field 3
- * @param <T4> The type of field 4
- * @param <T5> The type of field 5
- * @param <T6> The type of field 6
- * @param <T7> The type of field 7
- * @param <T8> The type of field 8
- * @param <T9> The type of field 9
- */
-public class Tuple10<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9> extends Tuple {
-
-       private static final long serialVersionUID = 1L;
-
-       /** Field 0 of the tuple. */
-       public T0 f0;
-       /** Field 1 of the tuple. */
-       public T1 f1;
-       /** Field 2 of the tuple. */
-       public T2 f2;
-       /** Field 3 of the tuple. */
-       public T3 f3;
-       /** Field 4 of the tuple. */
-       public T4 f4;
-       /** Field 5 of the tuple. */
-       public T5 f5;
-       /** Field 6 of the tuple. */
-       public T6 f6;
-       /** Field 7 of the tuple. */
-       public T7 f7;
-       /** Field 8 of the tuple. */
-       public T8 f8;
-       /** Field 9 of the tuple. */
-       public T9 f9;
-
-       /**
-        * Creates a new tuple where all fields are null.
-        */
-       public Tuple10() {}
-
-       /**
-        * Creates a new tuple and assigns the given values to the tuple's 
fields.
-        *
-        * @param value0 The value for field 0
-        * @param value1 The value for field 1
-        * @param value2 The value for field 2
-        * @param value3 The value for field 3
-        * @param value4 The value for field 4
-        * @param value5 The value for field 5
-        * @param value6 The value for field 6
-        * @param value7 The value for field 7
-        * @param value8 The value for field 8
-        * @param value9 The value for field 9
-        */
-       public Tuple10(T0 value0, T1 value1, T2 value2, T3 value3, T4 value4, 
T5 value5, T6 value6, T7 value7, T8 value8, T9 value9) {
-               this.f0 = value0;
-               this.f1 = value1;
-               this.f2 = value2;
-               this.f3 = value3;
-               this.f4 = value4;
-               this.f5 = value5;
-               this.f6 = value6;
-               this.f7 = value7;
-               this.f8 = value8;
-               this.f9 = value9;
-       }
-
-       @Override
-       public int getArity() { return 10; }
-
-       @Override
-       @SuppressWarnings("unchecked")
-       public <T> T getField(int pos) {
-               switch(pos) {
-                       case 0: return (T) this.f0;
-                       case 1: return (T) this.f1;
-                       case 2: return (T) this.f2;
-                       case 3: return (T) this.f3;
-                       case 4: return (T) this.f4;
-                       case 5: return (T) this.f5;
-                       case 6: return (T) this.f6;
-                       case 7: return (T) this.f7;
-                       case 8: return (T) this.f8;
-                       case 9: return (T) this.f9;
-                       default: throw new 
IndexOutOfBoundsException(String.valueOf(pos));
-               }
-       }
-
-       @Override
-       @SuppressWarnings("unchecked")
-       public <T> void setField(T value, int pos) {
-               switch(pos) {
-                       case 0:
-                               this.f0 = (T0) value;
-                               break;
-                       case 1:
-                               this.f1 = (T1) value;
-                               break;
-                       case 2:
-                               this.f2 = (T2) value;
-                               break;
-                       case 3:
-                               this.f3 = (T3) value;
-                               break;
-                       case 4:
-                               this.f4 = (T4) value;
-                               break;
-                       case 5:
-                               this.f5 = (T5) value;
-                               break;
-                       case 6:
-                               this.f6 = (T6) value;
-                               break;
-                       case 7:
-                               this.f7 = (T7) value;
-                               break;
-                       case 8:
-                               this.f8 = (T8) value;
-                               break;
-                       case 9:
-                               this.f9 = (T9) value;
-                               break;
-                       default: throw new 
IndexOutOfBoundsException(String.valueOf(pos));
-               }
-       }
-
-       /**
-        * Sets new values to all fields of the tuple.
-        *
-        * @param value0 The value for field 0
-        * @param value1 The value for field 1
-        * @param value2 The value for field 2
-        * @param value3 The value for field 3
-        * @param value4 The value for field 4
-        * @param value5 The value for field 5
-        * @param value6 The value for field 6
-        * @param value7 The value for field 7
-        * @param value8 The value for field 8
-        * @param value9 The value for field 9
-        */
-       public void setFields(T0 value0, T1 value1, T2 value2, T3 value3, T4 
value4, T5 value5, T6 value6, T7 value7, T8 value8, T9 value9) {
-               this.f0 = value0;
-               this.f1 = value1;
-               this.f2 = value2;
-               this.f3 = value3;
-               this.f4 = value4;
-               this.f5 = value5;
-               this.f6 = value6;
-               this.f7 = value7;
-               this.f8 = value8;
-               this.f9 = value9;
-       }
-
-
-       // 
-------------------------------------------------------------------------------------------------
-       // standard utilities
-       // 
-------------------------------------------------------------------------------------------------
-
-       /**
-        * Creates a string representation of the tuple in the form
-        * (f0, f1, f2, f3, f4, f5, f6, f7, f8, f9),
-        * where the individual fields are the value returned by calling {@link 
Object#toString} on that field.
-        * @return The string representation of the tuple.
-        */
-       @Override
-       public String toString() {
-               return "(" + StringUtils.arrayAwareToString(this.f0)
-                       + "," + StringUtils.arrayAwareToString(this.f1)
-                       + "," + StringUtils.arrayAwareToString(this.f2)
-                       + "," + StringUtils.arrayAwareToString(this.f3)
-                       + "," + StringUtils.arrayAwareToString(this.f4)
-                       + "," + StringUtils.arrayAwareToString(this.f5)
-                       + "," + StringUtils.arrayAwareToString(this.f6)
-                       + "," + StringUtils.arrayAwareToString(this.f7)
-                       + "," + StringUtils.arrayAwareToString(this.f8)
-                       + "," + StringUtils.arrayAwareToString(this.f9)
-                       + ")";
-       }
-
-       /**
-        * Deep equality for tuples by calling equals() on the tuple members
-        * @param o the object checked for equality
-        * @return true if this is equal to o.
-        */
-       @Override
-       public boolean equals(Object o) {
-               if(this == o) { return true; }
-               if (!(o instanceof Tuple10)) { return false; }
-               @SuppressWarnings("rawtypes")
-               Tuple10 tuple = (Tuple10) o;
-               if (f0 != null ? !f0.equals(tuple.f0) : tuple.f0 != null) { 
return false; }
-               if (f1 != null ? !f1.equals(tuple.f1) : tuple.f1 != null) { 
return false; }
-               if (f2 != null ? !f2.equals(tuple.f2) : tuple.f2 != null) { 
return false; }
-               if (f3 != null ? !f3.equals(tuple.f3) : tuple.f3 != null) { 
return false; }
-               if (f4 != null ? !f4.equals(tuple.f4) : tuple.f4 != null) { 
return false; }
-               if (f5 != null ? !f5.equals(tuple.f5) : tuple.f5 != null) { 
return false; }
-               if (f6 != null ? !f6.equals(tuple.f6) : tuple.f6 != null) { 
return false; }
-               if (f7 != null ? !f7.equals(tuple.f7) : tuple.f7 != null) { 
return false; }
-               if (f8 != null ? !f8.equals(tuple.f8) : tuple.f8 != null) { 
return false; }
-               if (f9 != null ? !f9.equals(tuple.f9) : tuple.f9 != null) { 
return false; }
-               return true;
-       }
-
-       @Override
-       public int hashCode() {
-               int result = f0 != null ? f0.hashCode() : 0;
-               result = 31 * result + (f1 != null ? f1.hashCode() : 0);
-               result = 31 * result + (f2 != null ? f2.hashCode() : 0);
-               result = 31 * result + (f3 != null ? f3.hashCode() : 0);
-               result = 31 * result + (f4 != null ? f4.hashCode() : 0);
-               result = 31 * result + (f5 != null ? f5.hashCode() : 0);
-               result = 31 * result + (f6 != null ? f6.hashCode() : 0);
-               result = 31 * result + (f7 != null ? f7.hashCode() : 0);
-               result = 31 * result + (f8 != null ? f8.hashCode() : 0);
-               result = 31 * result + (f9 != null ? f9.hashCode() : 0);
-               return result;
-       }
-
-       /**
-       * Shallow tuple copy.
-       * @return A new Tuple with the same fields as this.
-       */
-       @Override
-       @SuppressWarnings("unchecked")
-       public Tuple10<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9> copy(){ 
-               return new Tuple10<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9>(this.f0,
-                       this.f1,
-                       this.f2,
-                       this.f3,
-                       this.f4,
-                       this.f5,
-                       this.f6,
-                       this.f7,
-                       this.f8,
-                       this.f9);
-       }
-
-       /**
-        * Creates a new tuple and assigns the given values to the tuple's 
fields.
-        * This is more convenient than using the constructor, because the 
compiler can
-        * infer the generic type arguments implicitly. For example:
-        * {@code Tuple3.of(n, x, s)}
-        * instead of
-        * {@code new Tuple3<Integer, Double, String>(n, x, s)}
-        */
-       public static <T0,T1,T2,T3,T4,T5,T6,T7,T8,T9> 
Tuple10<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9> of(T0 value0, T1 value1, T2 value2, T3 
value3, T4 value4, T5 value5, T6 value6, T7 value7, T8 value8, T9 value9) {
-               return new Tuple10<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9>(value0, 
value1, value2, value3, value4, value5, value6, value7, value8, value9);
-       }
-}

http://git-wip-us.apache.org/repos/asf/flink/blob/7081836e/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple11.java
----------------------------------------------------------------------
diff --git 
a/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple11.java 
b/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple11.java
deleted file mode 100644
index b58ae6c..0000000
--- a/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple11.java
+++ /dev/null
@@ -1,304 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-// --------------------------------------------------------------
-//  THIS IS A GENERATED SOURCE FILE. DO NOT EDIT!
-//  GENERATED FROM org.apache.flink.api.java.tuple.TupleGenerator.
-// --------------------------------------------------------------
-
-
-package org.apache.flink.api.java.tuple;
-
-import org.apache.flink.util.StringUtils;
-
-/**
- * A tuple with 11 fields. Tuples are strongly typed; each field may be of a 
separate type.
- * The fields of the tuple can be accessed directly as public fields (f0, f1, 
...) or via their position
- * through the {@link #getField(int)} method. The tuple field positions start 
at zero.
- * <p>
- * Tuples are mutable types, meaning that their fields can be re-assigned. 
This allows functions that work
- * with Tuples to reuse objects in order to reduce pressure on the garbage 
collector.
- *
- * @see Tuple
- *
- * @param <T0> The type of field 0
- * @param <T1> The type of field 1
- * @param <T2> The type of field 2
- * @param <T3> The type of field 3
- * @param <T4> The type of field 4
- * @param <T5> The type of field 5
- * @param <T6> The type of field 6
- * @param <T7> The type of field 7
- * @param <T8> The type of field 8
- * @param <T9> The type of field 9
- * @param <T10> The type of field 10
- */
-public class Tuple11<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> extends 
Tuple {
-
-       private static final long serialVersionUID = 1L;
-
-       /** Field 0 of the tuple. */
-       public T0 f0;
-       /** Field 1 of the tuple. */
-       public T1 f1;
-       /** Field 2 of the tuple. */
-       public T2 f2;
-       /** Field 3 of the tuple. */
-       public T3 f3;
-       /** Field 4 of the tuple. */
-       public T4 f4;
-       /** Field 5 of the tuple. */
-       public T5 f5;
-       /** Field 6 of the tuple. */
-       public T6 f6;
-       /** Field 7 of the tuple. */
-       public T7 f7;
-       /** Field 8 of the tuple. */
-       public T8 f8;
-       /** Field 9 of the tuple. */
-       public T9 f9;
-       /** Field 10 of the tuple. */
-       public T10 f10;
-
-       /**
-        * Creates a new tuple where all fields are null.
-        */
-       public Tuple11() {}
-
-       /**
-        * Creates a new tuple and assigns the given values to the tuple's 
fields.
-        *
-        * @param value0 The value for field 0
-        * @param value1 The value for field 1
-        * @param value2 The value for field 2
-        * @param value3 The value for field 3
-        * @param value4 The value for field 4
-        * @param value5 The value for field 5
-        * @param value6 The value for field 6
-        * @param value7 The value for field 7
-        * @param value8 The value for field 8
-        * @param value9 The value for field 9
-        * @param value10 The value for field 10
-        */
-       public Tuple11(T0 value0, T1 value1, T2 value2, T3 value3, T4 value4, 
T5 value5, T6 value6, T7 value7, T8 value8, T9 value9, T10 value10) {
-               this.f0 = value0;
-               this.f1 = value1;
-               this.f2 = value2;
-               this.f3 = value3;
-               this.f4 = value4;
-               this.f5 = value5;
-               this.f6 = value6;
-               this.f7 = value7;
-               this.f8 = value8;
-               this.f9 = value9;
-               this.f10 = value10;
-       }
-
-       @Override
-       public int getArity() { return 11; }
-
-       @Override
-       @SuppressWarnings("unchecked")
-       public <T> T getField(int pos) {
-               switch(pos) {
-                       case 0: return (T) this.f0;
-                       case 1: return (T) this.f1;
-                       case 2: return (T) this.f2;
-                       case 3: return (T) this.f3;
-                       case 4: return (T) this.f4;
-                       case 5: return (T) this.f5;
-                       case 6: return (T) this.f6;
-                       case 7: return (T) this.f7;
-                       case 8: return (T) this.f8;
-                       case 9: return (T) this.f9;
-                       case 10: return (T) this.f10;
-                       default: throw new 
IndexOutOfBoundsException(String.valueOf(pos));
-               }
-       }
-
-       @Override
-       @SuppressWarnings("unchecked")
-       public <T> void setField(T value, int pos) {
-               switch(pos) {
-                       case 0:
-                               this.f0 = (T0) value;
-                               break;
-                       case 1:
-                               this.f1 = (T1) value;
-                               break;
-                       case 2:
-                               this.f2 = (T2) value;
-                               break;
-                       case 3:
-                               this.f3 = (T3) value;
-                               break;
-                       case 4:
-                               this.f4 = (T4) value;
-                               break;
-                       case 5:
-                               this.f5 = (T5) value;
-                               break;
-                       case 6:
-                               this.f6 = (T6) value;
-                               break;
-                       case 7:
-                               this.f7 = (T7) value;
-                               break;
-                       case 8:
-                               this.f8 = (T8) value;
-                               break;
-                       case 9:
-                               this.f9 = (T9) value;
-                               break;
-                       case 10:
-                               this.f10 = (T10) value;
-                               break;
-                       default: throw new 
IndexOutOfBoundsException(String.valueOf(pos));
-               }
-       }
-
-       /**
-        * Sets new values to all fields of the tuple.
-        *
-        * @param value0 The value for field 0
-        * @param value1 The value for field 1
-        * @param value2 The value for field 2
-        * @param value3 The value for field 3
-        * @param value4 The value for field 4
-        * @param value5 The value for field 5
-        * @param value6 The value for field 6
-        * @param value7 The value for field 7
-        * @param value8 The value for field 8
-        * @param value9 The value for field 9
-        * @param value10 The value for field 10
-        */
-       public void setFields(T0 value0, T1 value1, T2 value2, T3 value3, T4 
value4, T5 value5, T6 value6, T7 value7, T8 value8, T9 value9, T10 value10) {
-               this.f0 = value0;
-               this.f1 = value1;
-               this.f2 = value2;
-               this.f3 = value3;
-               this.f4 = value4;
-               this.f5 = value5;
-               this.f6 = value6;
-               this.f7 = value7;
-               this.f8 = value8;
-               this.f9 = value9;
-               this.f10 = value10;
-       }
-
-
-       // 
-------------------------------------------------------------------------------------------------
-       // standard utilities
-       // 
-------------------------------------------------------------------------------------------------
-
-       /**
-        * Creates a string representation of the tuple in the form
-        * (f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10),
-        * where the individual fields are the value returned by calling {@link 
Object#toString} on that field.
-        * @return The string representation of the tuple.
-        */
-       @Override
-       public String toString() {
-               return "(" + StringUtils.arrayAwareToString(this.f0)
-                       + "," + StringUtils.arrayAwareToString(this.f1)
-                       + "," + StringUtils.arrayAwareToString(this.f2)
-                       + "," + StringUtils.arrayAwareToString(this.f3)
-                       + "," + StringUtils.arrayAwareToString(this.f4)
-                       + "," + StringUtils.arrayAwareToString(this.f5)
-                       + "," + StringUtils.arrayAwareToString(this.f6)
-                       + "," + StringUtils.arrayAwareToString(this.f7)
-                       + "," + StringUtils.arrayAwareToString(this.f8)
-                       + "," + StringUtils.arrayAwareToString(this.f9)
-                       + "," + StringUtils.arrayAwareToString(this.f10)
-                       + ")";
-       }
-
-       /**
-        * Deep equality for tuples by calling equals() on the tuple members
-        * @param o the object checked for equality
-        * @return true if this is equal to o.
-        */
-       @Override
-       public boolean equals(Object o) {
-               if(this == o) { return true; }
-               if (!(o instanceof Tuple11)) { return false; }
-               @SuppressWarnings("rawtypes")
-               Tuple11 tuple = (Tuple11) o;
-               if (f0 != null ? !f0.equals(tuple.f0) : tuple.f0 != null) { 
return false; }
-               if (f1 != null ? !f1.equals(tuple.f1) : tuple.f1 != null) { 
return false; }
-               if (f2 != null ? !f2.equals(tuple.f2) : tuple.f2 != null) { 
return false; }
-               if (f3 != null ? !f3.equals(tuple.f3) : tuple.f3 != null) { 
return false; }
-               if (f4 != null ? !f4.equals(tuple.f4) : tuple.f4 != null) { 
return false; }
-               if (f5 != null ? !f5.equals(tuple.f5) : tuple.f5 != null) { 
return false; }
-               if (f6 != null ? !f6.equals(tuple.f6) : tuple.f6 != null) { 
return false; }
-               if (f7 != null ? !f7.equals(tuple.f7) : tuple.f7 != null) { 
return false; }
-               if (f8 != null ? !f8.equals(tuple.f8) : tuple.f8 != null) { 
return false; }
-               if (f9 != null ? !f9.equals(tuple.f9) : tuple.f9 != null) { 
return false; }
-               if (f10 != null ? !f10.equals(tuple.f10) : tuple.f10 != null) { 
return false; }
-               return true;
-       }
-
-       @Override
-       public int hashCode() {
-               int result = f0 != null ? f0.hashCode() : 0;
-               result = 31 * result + (f1 != null ? f1.hashCode() : 0);
-               result = 31 * result + (f2 != null ? f2.hashCode() : 0);
-               result = 31 * result + (f3 != null ? f3.hashCode() : 0);
-               result = 31 * result + (f4 != null ? f4.hashCode() : 0);
-               result = 31 * result + (f5 != null ? f5.hashCode() : 0);
-               result = 31 * result + (f6 != null ? f6.hashCode() : 0);
-               result = 31 * result + (f7 != null ? f7.hashCode() : 0);
-               result = 31 * result + (f8 != null ? f8.hashCode() : 0);
-               result = 31 * result + (f9 != null ? f9.hashCode() : 0);
-               result = 31 * result + (f10 != null ? f10.hashCode() : 0);
-               return result;
-       }
-
-       /**
-       * Shallow tuple copy.
-       * @return A new Tuple with the same fields as this.
-       */
-       @Override
-       @SuppressWarnings("unchecked")
-       public Tuple11<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10> copy(){ 
-               return new Tuple11<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10>(this.f0,
-                       this.f1,
-                       this.f2,
-                       this.f3,
-                       this.f4,
-                       this.f5,
-                       this.f6,
-                       this.f7,
-                       this.f8,
-                       this.f9,
-                       this.f10);
-       }
-
-       /**
-        * Creates a new tuple and assigns the given values to the tuple's 
fields.
-        * This is more convenient than using the constructor, because the 
compiler can
-        * infer the generic type arguments implicitly. For example:
-        * {@code Tuple3.of(n, x, s)}
-        * instead of
-        * {@code new Tuple3<Integer, Double, String>(n, x, s)}
-        */
-       public static <T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10> 
Tuple11<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10> of(T0 value0, T1 value1, T2 value2, 
T3 value3, T4 value4, T5 value5, T6 value6, T7 value7, T8 value8, T9 value9, 
T10 value10) {
-               return new Tuple11<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10>(value0, 
value1, value2, value3, value4, value5, value6, value7, value8, value9, 
value10);
-       }
-}

http://git-wip-us.apache.org/repos/asf/flink/blob/7081836e/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple12.java
----------------------------------------------------------------------
diff --git 
a/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple12.java 
b/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple12.java
deleted file mode 100644
index 4e7defb..0000000
--- a/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple12.java
+++ /dev/null
@@ -1,319 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-// --------------------------------------------------------------
-//  THIS IS A GENERATED SOURCE FILE. DO NOT EDIT!
-//  GENERATED FROM org.apache.flink.api.java.tuple.TupleGenerator.
-// --------------------------------------------------------------
-
-
-package org.apache.flink.api.java.tuple;
-
-import org.apache.flink.util.StringUtils;
-
-/**
- * A tuple with 12 fields. Tuples are strongly typed; each field may be of a 
separate type.
- * The fields of the tuple can be accessed directly as public fields (f0, f1, 
...) or via their position
- * through the {@link #getField(int)} method. The tuple field positions start 
at zero.
- * <p>
- * Tuples are mutable types, meaning that their fields can be re-assigned. 
This allows functions that work
- * with Tuples to reuse objects in order to reduce pressure on the garbage 
collector.
- *
- * @see Tuple
- *
- * @param <T0> The type of field 0
- * @param <T1> The type of field 1
- * @param <T2> The type of field 2
- * @param <T3> The type of field 3
- * @param <T4> The type of field 4
- * @param <T5> The type of field 5
- * @param <T6> The type of field 6
- * @param <T7> The type of field 7
- * @param <T8> The type of field 8
- * @param <T9> The type of field 9
- * @param <T10> The type of field 10
- * @param <T11> The type of field 11
- */
-public class Tuple12<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> extends 
Tuple {
-
-       private static final long serialVersionUID = 1L;
-
-       /** Field 0 of the tuple. */
-       public T0 f0;
-       /** Field 1 of the tuple. */
-       public T1 f1;
-       /** Field 2 of the tuple. */
-       public T2 f2;
-       /** Field 3 of the tuple. */
-       public T3 f3;
-       /** Field 4 of the tuple. */
-       public T4 f4;
-       /** Field 5 of the tuple. */
-       public T5 f5;
-       /** Field 6 of the tuple. */
-       public T6 f6;
-       /** Field 7 of the tuple. */
-       public T7 f7;
-       /** Field 8 of the tuple. */
-       public T8 f8;
-       /** Field 9 of the tuple. */
-       public T9 f9;
-       /** Field 10 of the tuple. */
-       public T10 f10;
-       /** Field 11 of the tuple. */
-       public T11 f11;
-
-       /**
-        * Creates a new tuple where all fields are null.
-        */
-       public Tuple12() {}
-
-       /**
-        * Creates a new tuple and assigns the given values to the tuple's 
fields.
-        *
-        * @param value0 The value for field 0
-        * @param value1 The value for field 1
-        * @param value2 The value for field 2
-        * @param value3 The value for field 3
-        * @param value4 The value for field 4
-        * @param value5 The value for field 5
-        * @param value6 The value for field 6
-        * @param value7 The value for field 7
-        * @param value8 The value for field 8
-        * @param value9 The value for field 9
-        * @param value10 The value for field 10
-        * @param value11 The value for field 11
-        */
-       public Tuple12(T0 value0, T1 value1, T2 value2, T3 value3, T4 value4, 
T5 value5, T6 value6, T7 value7, T8 value8, T9 value9, T10 value10, T11 
value11) {
-               this.f0 = value0;
-               this.f1 = value1;
-               this.f2 = value2;
-               this.f3 = value3;
-               this.f4 = value4;
-               this.f5 = value5;
-               this.f6 = value6;
-               this.f7 = value7;
-               this.f8 = value8;
-               this.f9 = value9;
-               this.f10 = value10;
-               this.f11 = value11;
-       }
-
-       @Override
-       public int getArity() { return 12; }
-
-       @Override
-       @SuppressWarnings("unchecked")
-       public <T> T getField(int pos) {
-               switch(pos) {
-                       case 0: return (T) this.f0;
-                       case 1: return (T) this.f1;
-                       case 2: return (T) this.f2;
-                       case 3: return (T) this.f3;
-                       case 4: return (T) this.f4;
-                       case 5: return (T) this.f5;
-                       case 6: return (T) this.f6;
-                       case 7: return (T) this.f7;
-                       case 8: return (T) this.f8;
-                       case 9: return (T) this.f9;
-                       case 10: return (T) this.f10;
-                       case 11: return (T) this.f11;
-                       default: throw new 
IndexOutOfBoundsException(String.valueOf(pos));
-               }
-       }
-
-       @Override
-       @SuppressWarnings("unchecked")
-       public <T> void setField(T value, int pos) {
-               switch(pos) {
-                       case 0:
-                               this.f0 = (T0) value;
-                               break;
-                       case 1:
-                               this.f1 = (T1) value;
-                               break;
-                       case 2:
-                               this.f2 = (T2) value;
-                               break;
-                       case 3:
-                               this.f3 = (T3) value;
-                               break;
-                       case 4:
-                               this.f4 = (T4) value;
-                               break;
-                       case 5:
-                               this.f5 = (T5) value;
-                               break;
-                       case 6:
-                               this.f6 = (T6) value;
-                               break;
-                       case 7:
-                               this.f7 = (T7) value;
-                               break;
-                       case 8:
-                               this.f8 = (T8) value;
-                               break;
-                       case 9:
-                               this.f9 = (T9) value;
-                               break;
-                       case 10:
-                               this.f10 = (T10) value;
-                               break;
-                       case 11:
-                               this.f11 = (T11) value;
-                               break;
-                       default: throw new 
IndexOutOfBoundsException(String.valueOf(pos));
-               }
-       }
-
-       /**
-        * Sets new values to all fields of the tuple.
-        *
-        * @param value0 The value for field 0
-        * @param value1 The value for field 1
-        * @param value2 The value for field 2
-        * @param value3 The value for field 3
-        * @param value4 The value for field 4
-        * @param value5 The value for field 5
-        * @param value6 The value for field 6
-        * @param value7 The value for field 7
-        * @param value8 The value for field 8
-        * @param value9 The value for field 9
-        * @param value10 The value for field 10
-        * @param value11 The value for field 11
-        */
-       public void setFields(T0 value0, T1 value1, T2 value2, T3 value3, T4 
value4, T5 value5, T6 value6, T7 value7, T8 value8, T9 value9, T10 value10, T11 
value11) {
-               this.f0 = value0;
-               this.f1 = value1;
-               this.f2 = value2;
-               this.f3 = value3;
-               this.f4 = value4;
-               this.f5 = value5;
-               this.f6 = value6;
-               this.f7 = value7;
-               this.f8 = value8;
-               this.f9 = value9;
-               this.f10 = value10;
-               this.f11 = value11;
-       }
-
-
-       // 
-------------------------------------------------------------------------------------------------
-       // standard utilities
-       // 
-------------------------------------------------------------------------------------------------
-
-       /**
-        * Creates a string representation of the tuple in the form
-        * (f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11),
-        * where the individual fields are the value returned by calling {@link 
Object#toString} on that field.
-        * @return The string representation of the tuple.
-        */
-       @Override
-       public String toString() {
-               return "(" + StringUtils.arrayAwareToString(this.f0)
-                       + "," + StringUtils.arrayAwareToString(this.f1)
-                       + "," + StringUtils.arrayAwareToString(this.f2)
-                       + "," + StringUtils.arrayAwareToString(this.f3)
-                       + "," + StringUtils.arrayAwareToString(this.f4)
-                       + "," + StringUtils.arrayAwareToString(this.f5)
-                       + "," + StringUtils.arrayAwareToString(this.f6)
-                       + "," + StringUtils.arrayAwareToString(this.f7)
-                       + "," + StringUtils.arrayAwareToString(this.f8)
-                       + "," + StringUtils.arrayAwareToString(this.f9)
-                       + "," + StringUtils.arrayAwareToString(this.f10)
-                       + "," + StringUtils.arrayAwareToString(this.f11)
-                       + ")";
-       }
-
-       /**
-        * Deep equality for tuples by calling equals() on the tuple members
-        * @param o the object checked for equality
-        * @return true if this is equal to o.
-        */
-       @Override
-       public boolean equals(Object o) {
-               if(this == o) { return true; }
-               if (!(o instanceof Tuple12)) { return false; }
-               @SuppressWarnings("rawtypes")
-               Tuple12 tuple = (Tuple12) o;
-               if (f0 != null ? !f0.equals(tuple.f0) : tuple.f0 != null) { 
return false; }
-               if (f1 != null ? !f1.equals(tuple.f1) : tuple.f1 != null) { 
return false; }
-               if (f2 != null ? !f2.equals(tuple.f2) : tuple.f2 != null) { 
return false; }
-               if (f3 != null ? !f3.equals(tuple.f3) : tuple.f3 != null) { 
return false; }
-               if (f4 != null ? !f4.equals(tuple.f4) : tuple.f4 != null) { 
return false; }
-               if (f5 != null ? !f5.equals(tuple.f5) : tuple.f5 != null) { 
return false; }
-               if (f6 != null ? !f6.equals(tuple.f6) : tuple.f6 != null) { 
return false; }
-               if (f7 != null ? !f7.equals(tuple.f7) : tuple.f7 != null) { 
return false; }
-               if (f8 != null ? !f8.equals(tuple.f8) : tuple.f8 != null) { 
return false; }
-               if (f9 != null ? !f9.equals(tuple.f9) : tuple.f9 != null) { 
return false; }
-               if (f10 != null ? !f10.equals(tuple.f10) : tuple.f10 != null) { 
return false; }
-               if (f11 != null ? !f11.equals(tuple.f11) : tuple.f11 != null) { 
return false; }
-               return true;
-       }
-
-       @Override
-       public int hashCode() {
-               int result = f0 != null ? f0.hashCode() : 0;
-               result = 31 * result + (f1 != null ? f1.hashCode() : 0);
-               result = 31 * result + (f2 != null ? f2.hashCode() : 0);
-               result = 31 * result + (f3 != null ? f3.hashCode() : 0);
-               result = 31 * result + (f4 != null ? f4.hashCode() : 0);
-               result = 31 * result + (f5 != null ? f5.hashCode() : 0);
-               result = 31 * result + (f6 != null ? f6.hashCode() : 0);
-               result = 31 * result + (f7 != null ? f7.hashCode() : 0);
-               result = 31 * result + (f8 != null ? f8.hashCode() : 0);
-               result = 31 * result + (f9 != null ? f9.hashCode() : 0);
-               result = 31 * result + (f10 != null ? f10.hashCode() : 0);
-               result = 31 * result + (f11 != null ? f11.hashCode() : 0);
-               return result;
-       }
-
-       /**
-       * Shallow tuple copy.
-       * @return A new Tuple with the same fields as this.
-       */
-       @Override
-       @SuppressWarnings("unchecked")
-       public Tuple12<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11> copy(){ 
-               return new 
Tuple12<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11>(this.f0,
-                       this.f1,
-                       this.f2,
-                       this.f3,
-                       this.f4,
-                       this.f5,
-                       this.f6,
-                       this.f7,
-                       this.f8,
-                       this.f9,
-                       this.f10,
-                       this.f11);
-       }
-
-       /**
-        * Creates a new tuple and assigns the given values to the tuple's 
fields.
-        * This is more convenient than using the constructor, because the 
compiler can
-        * infer the generic type arguments implicitly. For example:
-        * {@code Tuple3.of(n, x, s)}
-        * instead of
-        * {@code new Tuple3<Integer, Double, String>(n, x, s)}
-        */
-       public static <T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11> 
Tuple12<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11> of(T0 value0, T1 value1, T2 
value2, T3 value3, T4 value4, T5 value5, T6 value6, T7 value7, T8 value8, T9 
value9, T10 value10, T11 value11) {
-               return new 
Tuple12<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11>(value0, value1, value2, value3, 
value4, value5, value6, value7, value8, value9, value10, value11);
-       }
-}

http://git-wip-us.apache.org/repos/asf/flink/blob/7081836e/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple13.java
----------------------------------------------------------------------
diff --git 
a/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple13.java 
b/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple13.java
deleted file mode 100644
index 9543912..0000000
--- a/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple13.java
+++ /dev/null
@@ -1,334 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-// --------------------------------------------------------------
-//  THIS IS A GENERATED SOURCE FILE. DO NOT EDIT!
-//  GENERATED FROM org.apache.flink.api.java.tuple.TupleGenerator.
-// --------------------------------------------------------------
-
-
-package org.apache.flink.api.java.tuple;
-
-import org.apache.flink.util.StringUtils;
-
-/**
- * A tuple with 13 fields. Tuples are strongly typed; each field may be of a 
separate type.
- * The fields of the tuple can be accessed directly as public fields (f0, f1, 
...) or via their position
- * through the {@link #getField(int)} method. The tuple field positions start 
at zero.
- * <p>
- * Tuples are mutable types, meaning that their fields can be re-assigned. 
This allows functions that work
- * with Tuples to reuse objects in order to reduce pressure on the garbage 
collector.
- *
- * @see Tuple
- *
- * @param <T0> The type of field 0
- * @param <T1> The type of field 1
- * @param <T2> The type of field 2
- * @param <T3> The type of field 3
- * @param <T4> The type of field 4
- * @param <T5> The type of field 5
- * @param <T6> The type of field 6
- * @param <T7> The type of field 7
- * @param <T8> The type of field 8
- * @param <T9> The type of field 9
- * @param <T10> The type of field 10
- * @param <T11> The type of field 11
- * @param <T12> The type of field 12
- */
-public class Tuple13<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> 
extends Tuple {
-
-       private static final long serialVersionUID = 1L;
-
-       /** Field 0 of the tuple. */
-       public T0 f0;
-       /** Field 1 of the tuple. */
-       public T1 f1;
-       /** Field 2 of the tuple. */
-       public T2 f2;
-       /** Field 3 of the tuple. */
-       public T3 f3;
-       /** Field 4 of the tuple. */
-       public T4 f4;
-       /** Field 5 of the tuple. */
-       public T5 f5;
-       /** Field 6 of the tuple. */
-       public T6 f6;
-       /** Field 7 of the tuple. */
-       public T7 f7;
-       /** Field 8 of the tuple. */
-       public T8 f8;
-       /** Field 9 of the tuple. */
-       public T9 f9;
-       /** Field 10 of the tuple. */
-       public T10 f10;
-       /** Field 11 of the tuple. */
-       public T11 f11;
-       /** Field 12 of the tuple. */
-       public T12 f12;
-
-       /**
-        * Creates a new tuple where all fields are null.
-        */
-       public Tuple13() {}
-
-       /**
-        * Creates a new tuple and assigns the given values to the tuple's 
fields.
-        *
-        * @param value0 The value for field 0
-        * @param value1 The value for field 1
-        * @param value2 The value for field 2
-        * @param value3 The value for field 3
-        * @param value4 The value for field 4
-        * @param value5 The value for field 5
-        * @param value6 The value for field 6
-        * @param value7 The value for field 7
-        * @param value8 The value for field 8
-        * @param value9 The value for field 9
-        * @param value10 The value for field 10
-        * @param value11 The value for field 11
-        * @param value12 The value for field 12
-        */
-       public Tuple13(T0 value0, T1 value1, T2 value2, T3 value3, T4 value4, 
T5 value5, T6 value6, T7 value7, T8 value8, T9 value9, T10 value10, T11 
value11, T12 value12) {
-               this.f0 = value0;
-               this.f1 = value1;
-               this.f2 = value2;
-               this.f3 = value3;
-               this.f4 = value4;
-               this.f5 = value5;
-               this.f6 = value6;
-               this.f7 = value7;
-               this.f8 = value8;
-               this.f9 = value9;
-               this.f10 = value10;
-               this.f11 = value11;
-               this.f12 = value12;
-       }
-
-       @Override
-       public int getArity() { return 13; }
-
-       @Override
-       @SuppressWarnings("unchecked")
-       public <T> T getField(int pos) {
-               switch(pos) {
-                       case 0: return (T) this.f0;
-                       case 1: return (T) this.f1;
-                       case 2: return (T) this.f2;
-                       case 3: return (T) this.f3;
-                       case 4: return (T) this.f4;
-                       case 5: return (T) this.f5;
-                       case 6: return (T) this.f6;
-                       case 7: return (T) this.f7;
-                       case 8: return (T) this.f8;
-                       case 9: return (T) this.f9;
-                       case 10: return (T) this.f10;
-                       case 11: return (T) this.f11;
-                       case 12: return (T) this.f12;
-                       default: throw new 
IndexOutOfBoundsException(String.valueOf(pos));
-               }
-       }
-
-       @Override
-       @SuppressWarnings("unchecked")
-       public <T> void setField(T value, int pos) {
-               switch(pos) {
-                       case 0:
-                               this.f0 = (T0) value;
-                               break;
-                       case 1:
-                               this.f1 = (T1) value;
-                               break;
-                       case 2:
-                               this.f2 = (T2) value;
-                               break;
-                       case 3:
-                               this.f3 = (T3) value;
-                               break;
-                       case 4:
-                               this.f4 = (T4) value;
-                               break;
-                       case 5:
-                               this.f5 = (T5) value;
-                               break;
-                       case 6:
-                               this.f6 = (T6) value;
-                               break;
-                       case 7:
-                               this.f7 = (T7) value;
-                               break;
-                       case 8:
-                               this.f8 = (T8) value;
-                               break;
-                       case 9:
-                               this.f9 = (T9) value;
-                               break;
-                       case 10:
-                               this.f10 = (T10) value;
-                               break;
-                       case 11:
-                               this.f11 = (T11) value;
-                               break;
-                       case 12:
-                               this.f12 = (T12) value;
-                               break;
-                       default: throw new 
IndexOutOfBoundsException(String.valueOf(pos));
-               }
-       }
-
-       /**
-        * Sets new values to all fields of the tuple.
-        *
-        * @param value0 The value for field 0
-        * @param value1 The value for field 1
-        * @param value2 The value for field 2
-        * @param value3 The value for field 3
-        * @param value4 The value for field 4
-        * @param value5 The value for field 5
-        * @param value6 The value for field 6
-        * @param value7 The value for field 7
-        * @param value8 The value for field 8
-        * @param value9 The value for field 9
-        * @param value10 The value for field 10
-        * @param value11 The value for field 11
-        * @param value12 The value for field 12
-        */
-       public void setFields(T0 value0, T1 value1, T2 value2, T3 value3, T4 
value4, T5 value5, T6 value6, T7 value7, T8 value8, T9 value9, T10 value10, T11 
value11, T12 value12) {
-               this.f0 = value0;
-               this.f1 = value1;
-               this.f2 = value2;
-               this.f3 = value3;
-               this.f4 = value4;
-               this.f5 = value5;
-               this.f6 = value6;
-               this.f7 = value7;
-               this.f8 = value8;
-               this.f9 = value9;
-               this.f10 = value10;
-               this.f11 = value11;
-               this.f12 = value12;
-       }
-
-
-       // 
-------------------------------------------------------------------------------------------------
-       // standard utilities
-       // 
-------------------------------------------------------------------------------------------------
-
-       /**
-        * Creates a string representation of the tuple in the form
-        * (f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12),
-        * where the individual fields are the value returned by calling {@link 
Object#toString} on that field.
-        * @return The string representation of the tuple.
-        */
-       @Override
-       public String toString() {
-               return "(" + StringUtils.arrayAwareToString(this.f0)
-                       + "," + StringUtils.arrayAwareToString(this.f1)
-                       + "," + StringUtils.arrayAwareToString(this.f2)
-                       + "," + StringUtils.arrayAwareToString(this.f3)
-                       + "," + StringUtils.arrayAwareToString(this.f4)
-                       + "," + StringUtils.arrayAwareToString(this.f5)
-                       + "," + StringUtils.arrayAwareToString(this.f6)
-                       + "," + StringUtils.arrayAwareToString(this.f7)
-                       + "," + StringUtils.arrayAwareToString(this.f8)
-                       + "," + StringUtils.arrayAwareToString(this.f9)
-                       + "," + StringUtils.arrayAwareToString(this.f10)
-                       + "," + StringUtils.arrayAwareToString(this.f11)
-                       + "," + StringUtils.arrayAwareToString(this.f12)
-                       + ")";
-       }
-
-       /**
-        * Deep equality for tuples by calling equals() on the tuple members
-        * @param o the object checked for equality
-        * @return true if this is equal to o.
-        */
-       @Override
-       public boolean equals(Object o) {
-               if(this == o) { return true; }
-               if (!(o instanceof Tuple13)) { return false; }
-               @SuppressWarnings("rawtypes")
-               Tuple13 tuple = (Tuple13) o;
-               if (f0 != null ? !f0.equals(tuple.f0) : tuple.f0 != null) { 
return false; }
-               if (f1 != null ? !f1.equals(tuple.f1) : tuple.f1 != null) { 
return false; }
-               if (f2 != null ? !f2.equals(tuple.f2) : tuple.f2 != null) { 
return false; }
-               if (f3 != null ? !f3.equals(tuple.f3) : tuple.f3 != null) { 
return false; }
-               if (f4 != null ? !f4.equals(tuple.f4) : tuple.f4 != null) { 
return false; }
-               if (f5 != null ? !f5.equals(tuple.f5) : tuple.f5 != null) { 
return false; }
-               if (f6 != null ? !f6.equals(tuple.f6) : tuple.f6 != null) { 
return false; }
-               if (f7 != null ? !f7.equals(tuple.f7) : tuple.f7 != null) { 
return false; }
-               if (f8 != null ? !f8.equals(tuple.f8) : tuple.f8 != null) { 
return false; }
-               if (f9 != null ? !f9.equals(tuple.f9) : tuple.f9 != null) { 
return false; }
-               if (f10 != null ? !f10.equals(tuple.f10) : tuple.f10 != null) { 
return false; }
-               if (f11 != null ? !f11.equals(tuple.f11) : tuple.f11 != null) { 
return false; }
-               if (f12 != null ? !f12.equals(tuple.f12) : tuple.f12 != null) { 
return false; }
-               return true;
-       }
-
-       @Override
-       public int hashCode() {
-               int result = f0 != null ? f0.hashCode() : 0;
-               result = 31 * result + (f1 != null ? f1.hashCode() : 0);
-               result = 31 * result + (f2 != null ? f2.hashCode() : 0);
-               result = 31 * result + (f3 != null ? f3.hashCode() : 0);
-               result = 31 * result + (f4 != null ? f4.hashCode() : 0);
-               result = 31 * result + (f5 != null ? f5.hashCode() : 0);
-               result = 31 * result + (f6 != null ? f6.hashCode() : 0);
-               result = 31 * result + (f7 != null ? f7.hashCode() : 0);
-               result = 31 * result + (f8 != null ? f8.hashCode() : 0);
-               result = 31 * result + (f9 != null ? f9.hashCode() : 0);
-               result = 31 * result + (f10 != null ? f10.hashCode() : 0);
-               result = 31 * result + (f11 != null ? f11.hashCode() : 0);
-               result = 31 * result + (f12 != null ? f12.hashCode() : 0);
-               return result;
-       }
-
-       /**
-       * Shallow tuple copy.
-       * @return A new Tuple with the same fields as this.
-       */
-       @Override
-       @SuppressWarnings("unchecked")
-       public Tuple13<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12> copy(){ 
-               return new 
Tuple13<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12>(this.f0,
-                       this.f1,
-                       this.f2,
-                       this.f3,
-                       this.f4,
-                       this.f5,
-                       this.f6,
-                       this.f7,
-                       this.f8,
-                       this.f9,
-                       this.f10,
-                       this.f11,
-                       this.f12);
-       }
-
-       /**
-        * Creates a new tuple and assigns the given values to the tuple's 
fields.
-        * This is more convenient than using the constructor, because the 
compiler can
-        * infer the generic type arguments implicitly. For example:
-        * {@code Tuple3.of(n, x, s)}
-        * instead of
-        * {@code new Tuple3<Integer, Double, String>(n, x, s)}
-        */
-       public static <T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12> 
Tuple13<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12> of(T0 value0, T1 value1, T2 
value2, T3 value3, T4 value4, T5 value5, T6 value6, T7 value7, T8 value8, T9 
value9, T10 value10, T11 value11, T12 value12) {
-               return new 
Tuple13<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12>(value0, value1, value2, 
value3, value4, value5, value6, value7, value8, value9, value10, value11, 
value12);
-       }
-}

http://git-wip-us.apache.org/repos/asf/flink/blob/7081836e/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple14.java
----------------------------------------------------------------------
diff --git 
a/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple14.java 
b/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple14.java
deleted file mode 100644
index 36d508e..0000000
--- a/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple14.java
+++ /dev/null
@@ -1,349 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-// --------------------------------------------------------------
-//  THIS IS A GENERATED SOURCE FILE. DO NOT EDIT!
-//  GENERATED FROM org.apache.flink.api.java.tuple.TupleGenerator.
-// --------------------------------------------------------------
-
-
-package org.apache.flink.api.java.tuple;
-
-import org.apache.flink.util.StringUtils;
-
-/**
- * A tuple with 14 fields. Tuples are strongly typed; each field may be of a 
separate type.
- * The fields of the tuple can be accessed directly as public fields (f0, f1, 
...) or via their position
- * through the {@link #getField(int)} method. The tuple field positions start 
at zero.
- * <p>
- * Tuples are mutable types, meaning that their fields can be re-assigned. 
This allows functions that work
- * with Tuples to reuse objects in order to reduce pressure on the garbage 
collector.
- *
- * @see Tuple
- *
- * @param <T0> The type of field 0
- * @param <T1> The type of field 1
- * @param <T2> The type of field 2
- * @param <T3> The type of field 3
- * @param <T4> The type of field 4
- * @param <T5> The type of field 5
- * @param <T6> The type of field 6
- * @param <T7> The type of field 7
- * @param <T8> The type of field 8
- * @param <T9> The type of field 9
- * @param <T10> The type of field 10
- * @param <T11> The type of field 11
- * @param <T12> The type of field 12
- * @param <T13> The type of field 13
- */
-public class Tuple14<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, 
T13> extends Tuple {
-
-       private static final long serialVersionUID = 1L;
-
-       /** Field 0 of the tuple. */
-       public T0 f0;
-       /** Field 1 of the tuple. */
-       public T1 f1;
-       /** Field 2 of the tuple. */
-       public T2 f2;
-       /** Field 3 of the tuple. */
-       public T3 f3;
-       /** Field 4 of the tuple. */
-       public T4 f4;
-       /** Field 5 of the tuple. */
-       public T5 f5;
-       /** Field 6 of the tuple. */
-       public T6 f6;
-       /** Field 7 of the tuple. */
-       public T7 f7;
-       /** Field 8 of the tuple. */
-       public T8 f8;
-       /** Field 9 of the tuple. */
-       public T9 f9;
-       /** Field 10 of the tuple. */
-       public T10 f10;
-       /** Field 11 of the tuple. */
-       public T11 f11;
-       /** Field 12 of the tuple. */
-       public T12 f12;
-       /** Field 13 of the tuple. */
-       public T13 f13;
-
-       /**
-        * Creates a new tuple where all fields are null.
-        */
-       public Tuple14() {}
-
-       /**
-        * Creates a new tuple and assigns the given values to the tuple's 
fields.
-        *
-        * @param value0 The value for field 0
-        * @param value1 The value for field 1
-        * @param value2 The value for field 2
-        * @param value3 The value for field 3
-        * @param value4 The value for field 4
-        * @param value5 The value for field 5
-        * @param value6 The value for field 6
-        * @param value7 The value for field 7
-        * @param value8 The value for field 8
-        * @param value9 The value for field 9
-        * @param value10 The value for field 10
-        * @param value11 The value for field 11
-        * @param value12 The value for field 12
-        * @param value13 The value for field 13
-        */
-       public Tuple14(T0 value0, T1 value1, T2 value2, T3 value3, T4 value4, 
T5 value5, T6 value6, T7 value7, T8 value8, T9 value9, T10 value10, T11 
value11, T12 value12, T13 value13) {
-               this.f0 = value0;
-               this.f1 = value1;
-               this.f2 = value2;
-               this.f3 = value3;
-               this.f4 = value4;
-               this.f5 = value5;
-               this.f6 = value6;
-               this.f7 = value7;
-               this.f8 = value8;
-               this.f9 = value9;
-               this.f10 = value10;
-               this.f11 = value11;
-               this.f12 = value12;
-               this.f13 = value13;
-       }
-
-       @Override
-       public int getArity() { return 14; }
-
-       @Override
-       @SuppressWarnings("unchecked")
-       public <T> T getField(int pos) {
-               switch(pos) {
-                       case 0: return (T) this.f0;
-                       case 1: return (T) this.f1;
-                       case 2: return (T) this.f2;
-                       case 3: return (T) this.f3;
-                       case 4: return (T) this.f4;
-                       case 5: return (T) this.f5;
-                       case 6: return (T) this.f6;
-                       case 7: return (T) this.f7;
-                       case 8: return (T) this.f8;
-                       case 9: return (T) this.f9;
-                       case 10: return (T) this.f10;
-                       case 11: return (T) this.f11;
-                       case 12: return (T) this.f12;
-                       case 13: return (T) this.f13;
-                       default: throw new 
IndexOutOfBoundsException(String.valueOf(pos));
-               }
-       }
-
-       @Override
-       @SuppressWarnings("unchecked")
-       public <T> void setField(T value, int pos) {
-               switch(pos) {
-                       case 0:
-                               this.f0 = (T0) value;
-                               break;
-                       case 1:
-                               this.f1 = (T1) value;
-                               break;
-                       case 2:
-                               this.f2 = (T2) value;
-                               break;
-                       case 3:
-                               this.f3 = (T3) value;
-                               break;
-                       case 4:
-                               this.f4 = (T4) value;
-                               break;
-                       case 5:
-                               this.f5 = (T5) value;
-                               break;
-                       case 6:
-                               this.f6 = (T6) value;
-                               break;
-                       case 7:
-                               this.f7 = (T7) value;
-                               break;
-                       case 8:
-                               this.f8 = (T8) value;
-                               break;
-                       case 9:
-                               this.f9 = (T9) value;
-                               break;
-                       case 10:
-                               this.f10 = (T10) value;
-                               break;
-                       case 11:
-                               this.f11 = (T11) value;
-                               break;
-                       case 12:
-                               this.f12 = (T12) value;
-                               break;
-                       case 13:
-                               this.f13 = (T13) value;
-                               break;
-                       default: throw new 
IndexOutOfBoundsException(String.valueOf(pos));
-               }
-       }
-
-       /**
-        * Sets new values to all fields of the tuple.
-        *
-        * @param value0 The value for field 0
-        * @param value1 The value for field 1
-        * @param value2 The value for field 2
-        * @param value3 The value for field 3
-        * @param value4 The value for field 4
-        * @param value5 The value for field 5
-        * @param value6 The value for field 6
-        * @param value7 The value for field 7
-        * @param value8 The value for field 8
-        * @param value9 The value for field 9
-        * @param value10 The value for field 10
-        * @param value11 The value for field 11
-        * @param value12 The value for field 12
-        * @param value13 The value for field 13
-        */
-       public void setFields(T0 value0, T1 value1, T2 value2, T3 value3, T4 
value4, T5 value5, T6 value6, T7 value7, T8 value8, T9 value9, T10 value10, T11 
value11, T12 value12, T13 value13) {
-               this.f0 = value0;
-               this.f1 = value1;
-               this.f2 = value2;
-               this.f3 = value3;
-               this.f4 = value4;
-               this.f5 = value5;
-               this.f6 = value6;
-               this.f7 = value7;
-               this.f8 = value8;
-               this.f9 = value9;
-               this.f10 = value10;
-               this.f11 = value11;
-               this.f12 = value12;
-               this.f13 = value13;
-       }
-
-
-       // 
-------------------------------------------------------------------------------------------------
-       // standard utilities
-       // 
-------------------------------------------------------------------------------------------------
-
-       /**
-        * Creates a string representation of the tuple in the form
-        * (f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13),
-        * where the individual fields are the value returned by calling {@link 
Object#toString} on that field.
-        * @return The string representation of the tuple.
-        */
-       @Override
-       public String toString() {
-               return "(" + StringUtils.arrayAwareToString(this.f0)
-                       + "," + StringUtils.arrayAwareToString(this.f1)
-                       + "," + StringUtils.arrayAwareToString(this.f2)
-                       + "," + StringUtils.arrayAwareToString(this.f3)
-                       + "," + StringUtils.arrayAwareToString(this.f4)
-                       + "," + StringUtils.arrayAwareToString(this.f5)
-                       + "," + StringUtils.arrayAwareToString(this.f6)
-                       + "," + StringUtils.arrayAwareToString(this.f7)
-                       + "," + StringUtils.arrayAwareToString(this.f8)
-                       + "," + StringUtils.arrayAwareToString(this.f9)
-                       + "," + StringUtils.arrayAwareToString(this.f10)
-                       + "," + StringUtils.arrayAwareToString(this.f11)
-                       + "," + StringUtils.arrayAwareToString(this.f12)
-                       + "," + StringUtils.arrayAwareToString(this.f13)
-                       + ")";
-       }
-
-       /**
-        * Deep equality for tuples by calling equals() on the tuple members
-        * @param o the object checked for equality
-        * @return true if this is equal to o.
-        */
-       @Override
-       public boolean equals(Object o) {
-               if(this == o) { return true; }
-               if (!(o instanceof Tuple14)) { return false; }
-               @SuppressWarnings("rawtypes")
-               Tuple14 tuple = (Tuple14) o;
-               if (f0 != null ? !f0.equals(tuple.f0) : tuple.f0 != null) { 
return false; }
-               if (f1 != null ? !f1.equals(tuple.f1) : tuple.f1 != null) { 
return false; }
-               if (f2 != null ? !f2.equals(tuple.f2) : tuple.f2 != null) { 
return false; }
-               if (f3 != null ? !f3.equals(tuple.f3) : tuple.f3 != null) { 
return false; }
-               if (f4 != null ? !f4.equals(tuple.f4) : tuple.f4 != null) { 
return false; }
-               if (f5 != null ? !f5.equals(tuple.f5) : tuple.f5 != null) { 
return false; }
-               if (f6 != null ? !f6.equals(tuple.f6) : tuple.f6 != null) { 
return false; }
-               if (f7 != null ? !f7.equals(tuple.f7) : tuple.f7 != null) { 
return false; }
-               if (f8 != null ? !f8.equals(tuple.f8) : tuple.f8 != null) { 
return false; }
-               if (f9 != null ? !f9.equals(tuple.f9) : tuple.f9 != null) { 
return false; }
-               if (f10 != null ? !f10.equals(tuple.f10) : tuple.f10 != null) { 
return false; }
-               if (f11 != null ? !f11.equals(tuple.f11) : tuple.f11 != null) { 
return false; }
-               if (f12 != null ? !f12.equals(tuple.f12) : tuple.f12 != null) { 
return false; }
-               if (f13 != null ? !f13.equals(tuple.f13) : tuple.f13 != null) { 
return false; }
-               return true;
-       }
-
-       @Override
-       public int hashCode() {
-               int result = f0 != null ? f0.hashCode() : 0;
-               result = 31 * result + (f1 != null ? f1.hashCode() : 0);
-               result = 31 * result + (f2 != null ? f2.hashCode() : 0);
-               result = 31 * result + (f3 != null ? f3.hashCode() : 0);
-               result = 31 * result + (f4 != null ? f4.hashCode() : 0);
-               result = 31 * result + (f5 != null ? f5.hashCode() : 0);
-               result = 31 * result + (f6 != null ? f6.hashCode() : 0);
-               result = 31 * result + (f7 != null ? f7.hashCode() : 0);
-               result = 31 * result + (f8 != null ? f8.hashCode() : 0);
-               result = 31 * result + (f9 != null ? f9.hashCode() : 0);
-               result = 31 * result + (f10 != null ? f10.hashCode() : 0);
-               result = 31 * result + (f11 != null ? f11.hashCode() : 0);
-               result = 31 * result + (f12 != null ? f12.hashCode() : 0);
-               result = 31 * result + (f13 != null ? f13.hashCode() : 0);
-               return result;
-       }
-
-       /**
-       * Shallow tuple copy.
-       * @return A new Tuple with the same fields as this.
-       */
-       @Override
-       @SuppressWarnings("unchecked")
-       public Tuple14<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13> copy(){ 
-               return new 
Tuple14<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13>(this.f0,
-                       this.f1,
-                       this.f2,
-                       this.f3,
-                       this.f4,
-                       this.f5,
-                       this.f6,
-                       this.f7,
-                       this.f8,
-                       this.f9,
-                       this.f10,
-                       this.f11,
-                       this.f12,
-                       this.f13);
-       }
-
-       /**
-        * Creates a new tuple and assigns the given values to the tuple's 
fields.
-        * This is more convenient than using the constructor, because the 
compiler can
-        * infer the generic type arguments implicitly. For example:
-        * {@code Tuple3.of(n, x, s)}
-        * instead of
-        * {@code new Tuple3<Integer, Double, String>(n, x, s)}
-        */
-       public static <T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13> 
Tuple14<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13> of(T0 value0, T1 value1, 
T2 value2, T3 value3, T4 value4, T5 value5, T6 value6, T7 value7, T8 value8, T9 
value9, T10 value10, T11 value11, T12 value12, T13 value13) {
-               return new 
Tuple14<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13>(value0, value1, value2, 
value3, value4, value5, value6, value7, value8, value9, value10, value11, 
value12, value13);
-       }
-}

http://git-wip-us.apache.org/repos/asf/flink/blob/7081836e/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple15.java
----------------------------------------------------------------------
diff --git 
a/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple15.java 
b/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple15.java
deleted file mode 100644
index 0d45352..0000000
--- a/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple15.java
+++ /dev/null
@@ -1,364 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-// --------------------------------------------------------------
-//  THIS IS A GENERATED SOURCE FILE. DO NOT EDIT!
-//  GENERATED FROM org.apache.flink.api.java.tuple.TupleGenerator.
-// --------------------------------------------------------------
-
-
-package org.apache.flink.api.java.tuple;
-
-import org.apache.flink.util.StringUtils;
-
-/**
- * A tuple with 15 fields. Tuples are strongly typed; each field may be of a 
separate type.
- * The fields of the tuple can be accessed directly as public fields (f0, f1, 
...) or via their position
- * through the {@link #getField(int)} method. The tuple field positions start 
at zero.
- * <p>
- * Tuples are mutable types, meaning that their fields can be re-assigned. 
This allows functions that work
- * with Tuples to reuse objects in order to reduce pressure on the garbage 
collector.
- *
- * @see Tuple
- *
- * @param <T0> The type of field 0
- * @param <T1> The type of field 1
- * @param <T2> The type of field 2
- * @param <T3> The type of field 3
- * @param <T4> The type of field 4
- * @param <T5> The type of field 5
- * @param <T6> The type of field 6
- * @param <T7> The type of field 7
- * @param <T8> The type of field 8
- * @param <T9> The type of field 9
- * @param <T10> The type of field 10
- * @param <T11> The type of field 11
- * @param <T12> The type of field 12
- * @param <T13> The type of field 13
- * @param <T14> The type of field 14
- */
-public class Tuple15<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, 
T13, T14> extends Tuple {
-
-       private static final long serialVersionUID = 1L;
-
-       /** Field 0 of the tuple. */
-       public T0 f0;
-       /** Field 1 of the tuple. */
-       public T1 f1;
-       /** Field 2 of the tuple. */
-       public T2 f2;
-       /** Field 3 of the tuple. */
-       public T3 f3;
-       /** Field 4 of the tuple. */
-       public T4 f4;
-       /** Field 5 of the tuple. */
-       public T5 f5;
-       /** Field 6 of the tuple. */
-       public T6 f6;
-       /** Field 7 of the tuple. */
-       public T7 f7;
-       /** Field 8 of the tuple. */
-       public T8 f8;
-       /** Field 9 of the tuple. */
-       public T9 f9;
-       /** Field 10 of the tuple. */
-       public T10 f10;
-       /** Field 11 of the tuple. */
-       public T11 f11;
-       /** Field 12 of the tuple. */
-       public T12 f12;
-       /** Field 13 of the tuple. */
-       public T13 f13;
-       /** Field 14 of the tuple. */
-       public T14 f14;
-
-       /**
-        * Creates a new tuple where all fields are null.
-        */
-       public Tuple15() {}
-
-       /**
-        * Creates a new tuple and assigns the given values to the tuple's 
fields.
-        *
-        * @param value0 The value for field 0
-        * @param value1 The value for field 1
-        * @param value2 The value for field 2
-        * @param value3 The value for field 3
-        * @param value4 The value for field 4
-        * @param value5 The value for field 5
-        * @param value6 The value for field 6
-        * @param value7 The value for field 7
-        * @param value8 The value for field 8
-        * @param value9 The value for field 9
-        * @param value10 The value for field 10
-        * @param value11 The value for field 11
-        * @param value12 The value for field 12
-        * @param value13 The value for field 13
-        * @param value14 The value for field 14
-        */
-       public Tuple15(T0 value0, T1 value1, T2 value2, T3 value3, T4 value4, 
T5 value5, T6 value6, T7 value7, T8 value8, T9 value9, T10 value10, T11 
value11, T12 value12, T13 value13, T14 value14) {
-               this.f0 = value0;
-               this.f1 = value1;
-               this.f2 = value2;
-               this.f3 = value3;
-               this.f4 = value4;
-               this.f5 = value5;
-               this.f6 = value6;
-               this.f7 = value7;
-               this.f8 = value8;
-               this.f9 = value9;
-               this.f10 = value10;
-               this.f11 = value11;
-               this.f12 = value12;
-               this.f13 = value13;
-               this.f14 = value14;
-       }
-
-       @Override
-       public int getArity() { return 15; }
-
-       @Override
-       @SuppressWarnings("unchecked")
-       public <T> T getField(int pos) {
-               switch(pos) {
-                       case 0: return (T) this.f0;
-                       case 1: return (T) this.f1;
-                       case 2: return (T) this.f2;
-                       case 3: return (T) this.f3;
-                       case 4: return (T) this.f4;
-                       case 5: return (T) this.f5;
-                       case 6: return (T) this.f6;
-                       case 7: return (T) this.f7;
-                       case 8: return (T) this.f8;
-                       case 9: return (T) this.f9;
-                       case 10: return (T) this.f10;
-                       case 11: return (T) this.f11;
-                       case 12: return (T) this.f12;
-                       case 13: return (T) this.f13;
-                       case 14: return (T) this.f14;
-                       default: throw new 
IndexOutOfBoundsException(String.valueOf(pos));
-               }
-       }
-
-       @Override
-       @SuppressWarnings("unchecked")
-       public <T> void setField(T value, int pos) {
-               switch(pos) {
-                       case 0:
-                               this.f0 = (T0) value;
-                               break;
-                       case 1:
-                               this.f1 = (T1) value;
-                               break;
-                       case 2:
-                               this.f2 = (T2) value;
-                               break;
-                       case 3:
-                               this.f3 = (T3) value;
-                               break;
-                       case 4:
-                               this.f4 = (T4) value;
-                               break;
-                       case 5:
-                               this.f5 = (T5) value;
-                               break;
-                       case 6:
-                               this.f6 = (T6) value;
-                               break;
-                       case 7:
-                               this.f7 = (T7) value;
-                               break;
-                       case 8:
-                               this.f8 = (T8) value;
-                               break;
-                       case 9:
-                               this.f9 = (T9) value;
-                               break;
-                       case 10:
-                               this.f10 = (T10) value;
-                               break;
-                       case 11:
-                               this.f11 = (T11) value;
-                               break;
-                       case 12:
-                               this.f12 = (T12) value;
-                               break;
-                       case 13:
-                               this.f13 = (T13) value;
-                               break;
-                       case 14:
-                               this.f14 = (T14) value;
-                               break;
-                       default: throw new 
IndexOutOfBoundsException(String.valueOf(pos));
-               }
-       }
-
-       /**
-        * Sets new values to all fields of the tuple.
-        *
-        * @param value0 The value for field 0
-        * @param value1 The value for field 1
-        * @param value2 The value for field 2
-        * @param value3 The value for field 3
-        * @param value4 The value for field 4
-        * @param value5 The value for field 5
-        * @param value6 The value for field 6
-        * @param value7 The value for field 7
-        * @param value8 The value for field 8
-        * @param value9 The value for field 9
-        * @param value10 The value for field 10
-        * @param value11 The value for field 11
-        * @param value12 The value for field 12
-        * @param value13 The value for field 13
-        * @param value14 The value for field 14
-        */
-       public void setFields(T0 value0, T1 value1, T2 value2, T3 value3, T4 
value4, T5 value5, T6 value6, T7 value7, T8 value8, T9 value9, T10 value10, T11 
value11, T12 value12, T13 value13, T14 value14) {
-               this.f0 = value0;
-               this.f1 = value1;
-               this.f2 = value2;
-               this.f3 = value3;
-               this.f4 = value4;
-               this.f5 = value5;
-               this.f6 = value6;
-               this.f7 = value7;
-               this.f8 = value8;
-               this.f9 = value9;
-               this.f10 = value10;
-               this.f11 = value11;
-               this.f12 = value12;
-               this.f13 = value13;
-               this.f14 = value14;
-       }
-
-
-       // 
-------------------------------------------------------------------------------------------------
-       // standard utilities
-       // 
-------------------------------------------------------------------------------------------------
-
-       /**
-        * Creates a string representation of the tuple in the form
-        * (f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14),
-        * where the individual fields are the value returned by calling {@link 
Object#toString} on that field.
-        * @return The string representation of the tuple.
-        */
-       @Override
-       public String toString() {
-               return "(" + StringUtils.arrayAwareToString(this.f0)
-                       + "," + StringUtils.arrayAwareToString(this.f1)
-                       + "," + StringUtils.arrayAwareToString(this.f2)
-                       + "," + StringUtils.arrayAwareToString(this.f3)
-                       + "," + StringUtils.arrayAwareToString(this.f4)
-                       + "," + StringUtils.arrayAwareToString(this.f5)
-                       + "," + StringUtils.arrayAwareToString(this.f6)
-                       + "," + StringUtils.arrayAwareToString(this.f7)
-                       + "," + StringUtils.arrayAwareToString(this.f8)
-                       + "," + StringUtils.arrayAwareToString(this.f9)
-                       + "," + StringUtils.arrayAwareToString(this.f10)
-                       + "," + StringUtils.arrayAwareToString(this.f11)
-                       + "," + StringUtils.arrayAwareToString(this.f12)
-                       + "," + StringUtils.arrayAwareToString(this.f13)
-                       + "," + StringUtils.arrayAwareToString(this.f14)
-                       + ")";
-       }
-
-       /**
-        * Deep equality for tuples by calling equals() on the tuple members
-        * @param o the object checked for equality
-        * @return true if this is equal to o.
-        */
-       @Override
-       public boolean equals(Object o) {
-               if(this == o) { return true; }
-               if (!(o instanceof Tuple15)) { return false; }
-               @SuppressWarnings("rawtypes")
-               Tuple15 tuple = (Tuple15) o;
-               if (f0 != null ? !f0.equals(tuple.f0) : tuple.f0 != null) { 
return false; }
-               if (f1 != null ? !f1.equals(tuple.f1) : tuple.f1 != null) { 
return false; }
-               if (f2 != null ? !f2.equals(tuple.f2) : tuple.f2 != null) { 
return false; }
-               if (f3 != null ? !f3.equals(tuple.f3) : tuple.f3 != null) { 
return false; }
-               if (f4 != null ? !f4.equals(tuple.f4) : tuple.f4 != null) { 
return false; }
-               if (f5 != null ? !f5.equals(tuple.f5) : tuple.f5 != null) { 
return false; }
-               if (f6 != null ? !f6.equals(tuple.f6) : tuple.f6 != null) { 
return false; }
-               if (f7 != null ? !f7.equals(tuple.f7) : tuple.f7 != null) { 
return false; }
-               if (f8 != null ? !f8.equals(tuple.f8) : tuple.f8 != null) { 
return false; }
-               if (f9 != null ? !f9.equals(tuple.f9) : tuple.f9 != null) { 
return false; }
-               if (f10 != null ? !f10.equals(tuple.f10) : tuple.f10 != null) { 
return false; }
-               if (f11 != null ? !f11.equals(tuple.f11) : tuple.f11 != null) { 
return false; }
-               if (f12 != null ? !f12.equals(tuple.f12) : tuple.f12 != null) { 
return false; }
-               if (f13 != null ? !f13.equals(tuple.f13) : tuple.f13 != null) { 
return false; }
-               if (f14 != null ? !f14.equals(tuple.f14) : tuple.f14 != null) { 
return false; }
-               return true;
-       }
-
-       @Override
-       public int hashCode() {
-               int result = f0 != null ? f0.hashCode() : 0;
-               result = 31 * result + (f1 != null ? f1.hashCode() : 0);
-               result = 31 * result + (f2 != null ? f2.hashCode() : 0);
-               result = 31 * result + (f3 != null ? f3.hashCode() : 0);
-               result = 31 * result + (f4 != null ? f4.hashCode() : 0);
-               result = 31 * result + (f5 != null ? f5.hashCode() : 0);
-               result = 31 * result + (f6 != null ? f6.hashCode() : 0);
-               result = 31 * result + (f7 != null ? f7.hashCode() : 0);
-               result = 31 * result + (f8 != null ? f8.hashCode() : 0);
-               result = 31 * result + (f9 != null ? f9.hashCode() : 0);
-               result = 31 * result + (f10 != null ? f10.hashCode() : 0);
-               result = 31 * result + (f11 != null ? f11.hashCode() : 0);
-               result = 31 * result + (f12 != null ? f12.hashCode() : 0);
-               result = 31 * result + (f13 != null ? f13.hashCode() : 0);
-               result = 31 * result + (f14 != null ? f14.hashCode() : 0);
-               return result;
-       }
-
-       /**
-       * Shallow tuple copy.
-       * @return A new Tuple with the same fields as this.
-       */
-       @Override
-       @SuppressWarnings("unchecked")
-       public Tuple15<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14> 
copy(){ 
-               return new 
Tuple15<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14>(this.f0,
-                       this.f1,
-                       this.f2,
-                       this.f3,
-                       this.f4,
-                       this.f5,
-                       this.f6,
-                       this.f7,
-                       this.f8,
-                       this.f9,
-                       this.f10,
-                       this.f11,
-                       this.f12,
-                       this.f13,
-                       this.f14);
-       }
-
-       /**
-        * Creates a new tuple and assigns the given values to the tuple's 
fields.
-        * This is more convenient than using the constructor, because the 
compiler can
-        * infer the generic type arguments implicitly. For example:
-        * {@code Tuple3.of(n, x, s)}
-        * instead of
-        * {@code new Tuple3<Integer, Double, String>(n, x, s)}
-        */
-       public static <T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14> 
Tuple15<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14> of(T0 value0, T1 
value1, T2 value2, T3 value3, T4 value4, T5 value5, T6 value6, T7 value7, T8 
value8, T9 value9, T10 value10, T11 value11, T12 value12, T13 value13, T14 
value14) {
-               return new 
Tuple15<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14>(value0, value1, 
value2, value3, value4, value5, value6, value7, value8, value9, value10, 
value11, value12, value13, value14);
-       }
-}

http://git-wip-us.apache.org/repos/asf/flink/blob/7081836e/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple16.java
----------------------------------------------------------------------
diff --git 
a/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple16.java 
b/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple16.java
deleted file mode 100644
index 5c57ee7..0000000
--- a/flink-java/src/main/java/org/apache/flink/api/java/tuple/Tuple16.java
+++ /dev/null
@@ -1,379 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-// --------------------------------------------------------------
-//  THIS IS A GENERATED SOURCE FILE. DO NOT EDIT!
-//  GENERATED FROM org.apache.flink.api.java.tuple.TupleGenerator.
-// --------------------------------------------------------------
-
-
-package org.apache.flink.api.java.tuple;
-
-import org.apache.flink.util.StringUtils;
-
-/**
- * A tuple with 16 fields. Tuples are strongly typed; each field may be of a 
separate type.
- * The fields of the tuple can be accessed directly as public fields (f0, f1, 
...) or via their position
- * through the {@link #getField(int)} method. The tuple field positions start 
at zero.
- * <p>
- * Tuples are mutable types, meaning that their fields can be re-assigned. 
This allows functions that work
- * with Tuples to reuse objects in order to reduce pressure on the garbage 
collector.
- *
- * @see Tuple
- *
- * @param <T0> The type of field 0
- * @param <T1> The type of field 1
- * @param <T2> The type of field 2
- * @param <T3> The type of field 3
- * @param <T4> The type of field 4
- * @param <T5> The type of field 5
- * @param <T6> The type of field 6
- * @param <T7> The type of field 7
- * @param <T8> The type of field 8
- * @param <T9> The type of field 9
- * @param <T10> The type of field 10
- * @param <T11> The type of field 11
- * @param <T12> The type of field 12
- * @param <T13> The type of field 13
- * @param <T14> The type of field 14
- * @param <T15> The type of field 15
- */
-public class Tuple16<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, 
T13, T14, T15> extends Tuple {
-
-       private static final long serialVersionUID = 1L;
-
-       /** Field 0 of the tuple. */
-       public T0 f0;
-       /** Field 1 of the tuple. */
-       public T1 f1;
-       /** Field 2 of the tuple. */
-       public T2 f2;
-       /** Field 3 of the tuple. */
-       public T3 f3;
-       /** Field 4 of the tuple. */
-       public T4 f4;
-       /** Field 5 of the tuple. */
-       public T5 f5;
-       /** Field 6 of the tuple. */
-       public T6 f6;
-       /** Field 7 of the tuple. */
-       public T7 f7;
-       /** Field 8 of the tuple. */
-       public T8 f8;
-       /** Field 9 of the tuple. */
-       public T9 f9;
-       /** Field 10 of the tuple. */
-       public T10 f10;
-       /** Field 11 of the tuple. */
-       public T11 f11;
-       /** Field 12 of the tuple. */
-       public T12 f12;
-       /** Field 13 of the tuple. */
-       public T13 f13;
-       /** Field 14 of the tuple. */
-       public T14 f14;
-       /** Field 15 of the tuple. */
-       public T15 f15;
-
-       /**
-        * Creates a new tuple where all fields are null.
-        */
-       public Tuple16() {}
-
-       /**
-        * Creates a new tuple and assigns the given values to the tuple's 
fields.
-        *
-        * @param value0 The value for field 0
-        * @param value1 The value for field 1
-        * @param value2 The value for field 2
-        * @param value3 The value for field 3
-        * @param value4 The value for field 4
-        * @param value5 The value for field 5
-        * @param value6 The value for field 6
-        * @param value7 The value for field 7
-        * @param value8 The value for field 8
-        * @param value9 The value for field 9
-        * @param value10 The value for field 10
-        * @param value11 The value for field 11
-        * @param value12 The value for field 12
-        * @param value13 The value for field 13
-        * @param value14 The value for field 14
-        * @param value15 The value for field 15
-        */
-       public Tuple16(T0 value0, T1 value1, T2 value2, T3 value3, T4 value4, 
T5 value5, T6 value6, T7 value7, T8 value8, T9 value9, T10 value10, T11 
value11, T12 value12, T13 value13, T14 value14, T15 value15) {
-               this.f0 = value0;
-               this.f1 = value1;
-               this.f2 = value2;
-               this.f3 = value3;
-               this.f4 = value4;
-               this.f5 = value5;
-               this.f6 = value6;
-               this.f7 = value7;
-               this.f8 = value8;
-               this.f9 = value9;
-               this.f10 = value10;
-               this.f11 = value11;
-               this.f12 = value12;
-               this.f13 = value13;
-               this.f14 = value14;
-               this.f15 = value15;
-       }
-
-       @Override
-       public int getArity() { return 16; }
-
-       @Override
-       @SuppressWarnings("unchecked")
-       public <T> T getField(int pos) {
-               switch(pos) {
-                       case 0: return (T) this.f0;
-                       case 1: return (T) this.f1;
-                       case 2: return (T) this.f2;
-                       case 3: return (T) this.f3;
-                       case 4: return (T) this.f4;
-                       case 5: return (T) this.f5;
-                       case 6: return (T) this.f6;
-                       case 7: return (T) this.f7;
-                       case 8: return (T) this.f8;
-                       case 9: return (T) this.f9;
-                       case 10: return (T) this.f10;
-                       case 11: return (T) this.f11;
-                       case 12: return (T) this.f12;
-                       case 13: return (T) this.f13;
-                       case 14: return (T) this.f14;
-                       case 15: return (T) this.f15;
-                       default: throw new 
IndexOutOfBoundsException(String.valueOf(pos));
-               }
-       }
-
-       @Override
-       @SuppressWarnings("unchecked")
-       public <T> void setField(T value, int pos) {
-               switch(pos) {
-                       case 0:
-                               this.f0 = (T0) value;
-                               break;
-                       case 1:
-                               this.f1 = (T1) value;
-                               break;
-                       case 2:
-                               this.f2 = (T2) value;
-                               break;
-                       case 3:
-                               this.f3 = (T3) value;
-                               break;
-                       case 4:
-                               this.f4 = (T4) value;
-                               break;
-                       case 5:
-                               this.f5 = (T5) value;
-                               break;
-                       case 6:
-                               this.f6 = (T6) value;
-                               break;
-                       case 7:
-                               this.f7 = (T7) value;
-                               break;
-                       case 8:
-                               this.f8 = (T8) value;
-                               break;
-                       case 9:
-                               this.f9 = (T9) value;
-                               break;
-                       case 10:
-                               this.f10 = (T10) value;
-                               break;
-                       case 11:
-                               this.f11 = (T11) value;
-                               break;
-                       case 12:
-                               this.f12 = (T12) value;
-                               break;
-                       case 13:
-                               this.f13 = (T13) value;
-                               break;
-                       case 14:
-                               this.f14 = (T14) value;
-                               break;
-                       case 15:
-                               this.f15 = (T15) value;
-                               break;
-                       default: throw new 
IndexOutOfBoundsException(String.valueOf(pos));
-               }
-       }
-
-       /**
-        * Sets new values to all fields of the tuple.
-        *
-        * @param value0 The value for field 0
-        * @param value1 The value for field 1
-        * @param value2 The value for field 2
-        * @param value3 The value for field 3
-        * @param value4 The value for field 4
-        * @param value5 The value for field 5
-        * @param value6 The value for field 6
-        * @param value7 The value for field 7
-        * @param value8 The value for field 8
-        * @param value9 The value for field 9
-        * @param value10 The value for field 10
-        * @param value11 The value for field 11
-        * @param value12 The value for field 12
-        * @param value13 The value for field 13
-        * @param value14 The value for field 14
-        * @param value15 The value for field 15
-        */
-       public void setFields(T0 value0, T1 value1, T2 value2, T3 value3, T4 
value4, T5 value5, T6 value6, T7 value7, T8 value8, T9 value9, T10 value10, T11 
value11, T12 value12, T13 value13, T14 value14, T15 value15) {
-               this.f0 = value0;
-               this.f1 = value1;
-               this.f2 = value2;
-               this.f3 = value3;
-               this.f4 = value4;
-               this.f5 = value5;
-               this.f6 = value6;
-               this.f7 = value7;
-               this.f8 = value8;
-               this.f9 = value9;
-               this.f10 = value10;
-               this.f11 = value11;
-               this.f12 = value12;
-               this.f13 = value13;
-               this.f14 = value14;
-               this.f15 = value15;
-       }
-
-
-       // 
-------------------------------------------------------------------------------------------------
-       // standard utilities
-       // 
-------------------------------------------------------------------------------------------------
-
-       /**
-        * Creates a string representation of the tuple in the form
-        * (f0, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, 
f15),
-        * where the individual fields are the value returned by calling {@link 
Object#toString} on that field.
-        * @return The string representation of the tuple.
-        */
-       @Override
-       public String toString() {
-               return "(" + StringUtils.arrayAwareToString(this.f0)
-                       + "," + StringUtils.arrayAwareToString(this.f1)
-                       + "," + StringUtils.arrayAwareToString(this.f2)
-                       + "," + StringUtils.arrayAwareToString(this.f3)
-                       + "," + StringUtils.arrayAwareToString(this.f4)
-                       + "," + StringUtils.arrayAwareToString(this.f5)
-                       + "," + StringUtils.arrayAwareToString(this.f6)
-                       + "," + StringUtils.arrayAwareToString(this.f7)
-                       + "," + StringUtils.arrayAwareToString(this.f8)
-                       + "," + StringUtils.arrayAwareToString(this.f9)
-                       + "," + StringUtils.arrayAwareToString(this.f10)
-                       + "," + StringUtils.arrayAwareToString(this.f11)
-                       + "," + StringUtils.arrayAwareToString(this.f12)
-                       + "," + StringUtils.arrayAwareToString(this.f13)
-                       + "," + StringUtils.arrayAwareToString(this.f14)
-                       + "," + StringUtils.arrayAwareToString(this.f15)
-                       + ")";
-       }
-
-       /**
-        * Deep equality for tuples by calling equals() on the tuple members
-        * @param o the object checked for equality
-        * @return true if this is equal to o.
-        */
-       @Override
-       public boolean equals(Object o) {
-               if(this == o) { return true; }
-               if (!(o instanceof Tuple16)) { return false; }
-               @SuppressWarnings("rawtypes")
-               Tuple16 tuple = (Tuple16) o;
-               if (f0 != null ? !f0.equals(tuple.f0) : tuple.f0 != null) { 
return false; }
-               if (f1 != null ? !f1.equals(tuple.f1) : tuple.f1 != null) { 
return false; }
-               if (f2 != null ? !f2.equals(tuple.f2) : tuple.f2 != null) { 
return false; }
-               if (f3 != null ? !f3.equals(tuple.f3) : tuple.f3 != null) { 
return false; }
-               if (f4 != null ? !f4.equals(tuple.f4) : tuple.f4 != null) { 
return false; }
-               if (f5 != null ? !f5.equals(tuple.f5) : tuple.f5 != null) { 
return false; }
-               if (f6 != null ? !f6.equals(tuple.f6) : tuple.f6 != null) { 
return false; }
-               if (f7 != null ? !f7.equals(tuple.f7) : tuple.f7 != null) { 
return false; }
-               if (f8 != null ? !f8.equals(tuple.f8) : tuple.f8 != null) { 
return false; }
-               if (f9 != null ? !f9.equals(tuple.f9) : tuple.f9 != null) { 
return false; }
-               if (f10 != null ? !f10.equals(tuple.f10) : tuple.f10 != null) { 
return false; }
-               if (f11 != null ? !f11.equals(tuple.f11) : tuple.f11 != null) { 
return false; }
-               if (f12 != null ? !f12.equals(tuple.f12) : tuple.f12 != null) { 
return false; }
-               if (f13 != null ? !f13.equals(tuple.f13) : tuple.f13 != null) { 
return false; }
-               if (f14 != null ? !f14.equals(tuple.f14) : tuple.f14 != null) { 
return false; }
-               if (f15 != null ? !f15.equals(tuple.f15) : tuple.f15 != null) { 
return false; }
-               return true;
-       }
-
-       @Override
-       public int hashCode() {
-               int result = f0 != null ? f0.hashCode() : 0;
-               result = 31 * result + (f1 != null ? f1.hashCode() : 0);
-               result = 31 * result + (f2 != null ? f2.hashCode() : 0);
-               result = 31 * result + (f3 != null ? f3.hashCode() : 0);
-               result = 31 * result + (f4 != null ? f4.hashCode() : 0);
-               result = 31 * result + (f5 != null ? f5.hashCode() : 0);
-               result = 31 * result + (f6 != null ? f6.hashCode() : 0);
-               result = 31 * result + (f7 != null ? f7.hashCode() : 0);
-               result = 31 * result + (f8 != null ? f8.hashCode() : 0);
-               result = 31 * result + (f9 != null ? f9.hashCode() : 0);
-               result = 31 * result + (f10 != null ? f10.hashCode() : 0);
-               result = 31 * result + (f11 != null ? f11.hashCode() : 0);
-               result = 31 * result + (f12 != null ? f12.hashCode() : 0);
-               result = 31 * result + (f13 != null ? f13.hashCode() : 0);
-               result = 31 * result + (f14 != null ? f14.hashCode() : 0);
-               result = 31 * result + (f15 != null ? f15.hashCode() : 0);
-               return result;
-       }
-
-       /**
-       * Shallow tuple copy.
-       * @return A new Tuple with the same fields as this.
-       */
-       @Override
-       @SuppressWarnings("unchecked")
-       public Tuple16<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15> 
copy(){ 
-               return new 
Tuple16<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15>(this.f0,
-                       this.f1,
-                       this.f2,
-                       this.f3,
-                       this.f4,
-                       this.f5,
-                       this.f6,
-                       this.f7,
-                       this.f8,
-                       this.f9,
-                       this.f10,
-                       this.f11,
-                       this.f12,
-                       this.f13,
-                       this.f14,
-                       this.f15);
-       }
-
-       /**
-        * Creates a new tuple and assigns the given values to the tuple's 
fields.
-        * This is more convenient than using the constructor, because the 
compiler can
-        * infer the generic type arguments implicitly. For example:
-        * {@code Tuple3.of(n, x, s)}
-        * instead of
-        * {@code new Tuple3<Integer, Double, String>(n, x, s)}
-        */
-       public static <T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15> 
Tuple16<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15> of(T0 value0, T1 
value1, T2 value2, T3 value3, T4 value4, T5 value5, T6 value6, T7 value7, T8 
value8, T9 value9, T10 value10, T11 value11, T12 value12, T13 value13, T14 
value14, T15 value15) {
-               return new 
Tuple16<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15>(value0, value1, 
value2, value3, value4, value5, value6, value7, value8, value9, value10, 
value11, value12, value13, value14, value15);
-       }
-}

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