benchmark/src/main/java/com/datatorrent/benchmark/RandomMapOutput.java

/*
 * Copyright (c) 2014 DataTorrent, Inc. ALL Rights Reserved.
 *
 * Licensed 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.benchmark;

import java.util.HashMap;
import com.datatorrent.api.BaseOperator;
import com.datatorrent.api.DefaultInputPort;
import com.datatorrent.api.DefaultOutputPort;

/**
 * Operator that outputs random values in a map.
 *
 * @since 1.0.4
 */
public class RandomMapOutput extends BaseOperator {

  public final transient DefaultOutputPort<HashMap<String, Object>> map_data = new DefaultOutputPort<HashMap<String, Object>>();
  public final transient DefaultInputPort<Integer> input = new DefaultInputPort<Integer>()
      {
    @Override
    public void process(Integer tuple)
    {
      HashMap<String, Object> map = new HashMap<String, Object>();
      map.put(key, tuple);
      RandomMapOutput.this.process(map);
    }
      };

      private String key;

      public String getKey() {
        return key;
      }

      public void setKey(String key) {
        this.key = key;
      }

      public void process(HashMap<String, Object> tuple) {

        if (map_data.isConnected()) {
          map_data.emit(tuple);
        }
      }
}