/**
 * 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.mroperator;

import org.apache.apex.malhar.lib.io.fs.AbstractSingleFileOutputOperator;
import org.apache.apex.malhar.lib.util.KeyHashValPair;

/**
 * Adapter for writing KeyHashValPair objects to HDFS
 * <p>
 * Serializes tuples into a HDFS file.<br/>
 * </p>
 *
 * @param <K> Key type
 * @param <V> Value type
 * @since 0.9.4
 */
public class HdfsKeyValOutputOperator<K, V> extends AbstractSingleFileOutputOperator<KeyHashValPair<K, V>>
{
  @Override
  public byte[] getBytesForTuple(KeyHashValPair<K,V> t)
  {
    return (t.toString() + "\n").getBytes();
  }
}