Github user uce commented on a diff in the pull request:
https://github.com/apache/flink/pull/729#discussion_r31532320
--- Diff:
flink-java/src/main/java/org/apache/flink/api/java/sca/UdfAnalyzer.java ---
@@ -0,0 +1,431 @@
+/*
+ * 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.
+ */
+
+package org.apache.flink.api.java.sca;
+
+import org.apache.flink.api.common.functions.CoGroupFunction;
+import org.apache.flink.api.common.functions.CrossFunction;
+import org.apache.flink.api.common.functions.FilterFunction;
+import org.apache.flink.api.common.functions.FlatJoinFunction;
+import org.apache.flink.api.common.functions.FlatMapFunction;
+import org.apache.flink.api.common.functions.GroupReduceFunction;
+import org.apache.flink.api.common.functions.JoinFunction;
+import org.apache.flink.api.common.functions.MapFunction;
+import org.apache.flink.api.common.functions.ReduceFunction;
+import org.apache.flink.api.common.operators.DualInputSemanticProperties;
+import org.apache.flink.api.common.operators.SemanticProperties;
+import org.apache.flink.api.common.operators.SingleInputSemanticProperties;
+import org.apache.flink.api.common.typeinfo.TypeInformation;
+import org.apache.flink.api.java.functions.SemanticPropUtil;
+import org.apache.flink.api.java.operators.Keys;
+import org.apache.flink.api.java.operators.Keys.ExpressionKeys;
+import org.apache.flink.api.java.sca.TaggedValue.Input;
+import org.objectweb.asm.Type;
+import org.objectweb.asm.tree.MethodNode;
+
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.List;
+
+import static
org.apache.flink.api.java.sca.UdfAnalyzerUtils.convertTypeInfoToTaggedValue;
+import static
org.apache.flink.api.java.sca.UdfAnalyzerUtils.findMethodNode;
+import static
org.apache.flink.api.java.sca.UdfAnalyzerUtils.mergeReturnValues;
+import static
org.apache.flink.api.java.sca.UdfAnalyzerUtils.removeUngroupedInputsFromContainer;
+
+public class UdfAnalyzer {
+ // exclusion to suppress hints for API operators
+ private static final String EXCLUDED_CLASSPATH = "org/apache/flink";
--- End diff --
Instead of excluding this class path, the consensus from reviews so far is
to add an `@SkipCodeAnalysis` annotation. This will allow new users to play
around with the Flink examples etc.
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