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https://issues.apache.org/jira/browse/APEXMALHAR-2102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15321292#comment-15321292
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ASF GitHub Bot commented on APEXMALHAR-2102:
--------------------------------------------
Github user gauravgopi123 commented on a diff in the pull request:
https://github.com/apache/apex-malhar/pull/315#discussion_r66322272
--- Diff:
library/src/test/java/com/datatorrent/lib/partitioner/ClonePartitionerTest.java
---
@@ -0,0 +1,314 @@
+/**
+ * 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 com.datatorrent.lib.partitioner;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import javax.validation.ConstraintViolationException;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.apache.hadoop.conf.Configuration;
+
+import com.google.common.collect.Lists;
+
+import com.datatorrent.api.Context;
+import com.datatorrent.api.Context.OperatorContext;
+import com.datatorrent.api.DAG;
+import com.datatorrent.api.DefaultInputPort;
+import com.datatorrent.api.DefaultOutputPort;
+import com.datatorrent.api.DefaultPartition;
+import com.datatorrent.api.InputOperator;
+import com.datatorrent.api.LocalMode;
+import com.datatorrent.api.Operator;
+import com.datatorrent.api.Operator.InputPort;
+import com.datatorrent.api.Partitioner;
+import com.datatorrent.api.Partitioner.Partition;
+import com.datatorrent.api.StreamingApplication;
+import com.datatorrent.api.StringCodec.Object2String;
+
+import static junit.framework.TestCase.assertFalse;
+import static org.junit.Assert.assertEquals;
+
+public class ClonePartitionerTest
+{
+ private static Logger LOG =
LoggerFactory.getLogger(ClonePartitionerTest.class);
+
+ private static int numPartitions = 20;
+ private static Integer countPerWindow = 100;
+ private static Integer totalReceived = 0;
+ private static Integer totalSent = 0;
+
+ private static boolean matchFailed = false;
+
+ public static class FixedEmitter implements InputOperator
--- End diff --
may be you want to extend BaseOperator to avoid writing boiler plate code
like setup/endWindow
> Add A Clone Partitioner Which Sends The Same Data To Each Partition
> -------------------------------------------------------------------
>
> Key: APEXMALHAR-2102
> URL: https://issues.apache.org/jira/browse/APEXMALHAR-2102
> Project: Apache Apex Malhar
> Issue Type: New Feature
> Reporter: Timothy Farkas
> Assignee: Ilya Ganelin
>
> This should go into com.datatorrent.common.partitioner and would be very
> similar to the StatelessPartitioner
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