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https://issues.apache.org/jira/browse/FLINK-2457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14659936#comment-14659936
]
ASF GitHub Bot commented on FLINK-2457:
---------------------------------------
Github user StephanEwen commented on a diff in the pull request:
https://github.com/apache/flink/pull/983#discussion_r36408368
--- Diff:
flink-java/src/main/java/org/apache/flink/api/java/tuple/builder/Tuple0Builder.java
---
@@ -0,0 +1,46 @@
+/*
+ * 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.builder;
+
+import java.util.LinkedList;
+import java.util.List;
+
+import org.apache.flink.api.java.tuple.Tuple0;
+
+public class Tuple0Builder {
+
+ private List<Tuple0> tuples = new LinkedList<Tuple0>();
--- End diff --
And memory efficiency...
> Integrate Tuple0
> ----------------
>
> Key: FLINK-2457
> URL: https://issues.apache.org/jira/browse/FLINK-2457
> Project: Flink
> Issue Type: Improvement
> Reporter: Matthias J. Sax
> Assignee: Matthias J. Sax
> Priority: Minor
>
> Tuple0 is not cleanly integrated:
> - missing serialization/deserialization support in runtime
> - Tuple.getTupleClass(int arity) cannot handle arity zero, ie, cannot create
> an instance of Tuple0
> Tuple0 is currently only used in Python API, but will be integrated into
> Storm compatibility, too.
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