examples/partition/src/main/java/org/apache/apex/examples/partition/Application.java

/**
 * 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.apex.examples.partition;

import org.apache.hadoop.conf.Configuration;

import com.datatorrent.api.Context.PortContext;
import com.datatorrent.api.DAG;
import com.datatorrent.api.StreamingApplication;
import com.datatorrent.api.annotation.ApplicationAnnotation;

@ApplicationAnnotation(name = "TestStuff")
/**
 * @since 3.7.0
 */
public class Application implements StreamingApplication
{

  @Override
  public void populateDAG(DAG dag, Configuration conf)
  {
    RandomNumberGenerator random = dag.addOperator("randomInt",     RandomNumberGenerator.class);
    TestPartition testPartition  = dag.addOperator("testPartition", TestPartition.class);
    Codec3 codec = new Codec3();
    dag.setInputPortAttribute(testPartition.in, PortContext.STREAM_CODEC, codec);

    //Add locality if needed, e.g.: .setLocality(Locality.CONTAINER_LOCAL);
    dag.addStream("randomData", random.out, testPartition.in);
  }
}