content: /**
   * 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.malhar.contrib.redis;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.apex.malhar.lib.util.KeyValPair;
  
  /**
   * This class provides an output adapter that takes a key value pair.&nbsp;
   * If the values in the key value pairs are maps, the operator will increment the values in the key value pair in redis.&nbsp;
   * Otherwise, it will increment the value as is.
   * <p></p>
   *
   * @displayName Redis Number Summation Key Val Pair Output
   * @category Output
   * @tags redis, key value
   *
   * @param <K> The key type
   * @param <V> The value type
   * @since 0.3.2
   */
  public class RedisNumberSummationKeyValPairOutputOperator<K, V> extends AbstractRedisAggregateOutputOperator<KeyValPair<K, V>>
  {
    private Map<Object, Object> dataMap = new HashMap<Object, Object>();
    private transient NumberSummation<K, V> numberAggregation = new NumberSummation<K, V>(this, dataMap);
  
    @Override
    public void processTuple(KeyValPair<K, V> t)
    {
      numberAggregation.process(t.getKey(), t.getValue());
    }
  
    @Override
    public void storeAggregate()
    {
      numberAggregation.storeAggregate();
    }
  
  }
  