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.Map;
  
  import org.apache.apex.malhar.lib.util.KeyValPair;
  
  /**
   * This is the an implementation of a Redis input operator It takes in keys to
   * fetch and emits Values stored as Maps in Redis i.e. when value datatype in
   * Redis is HashMap
   *
   * @displayName Redis Input Operator for Map
   * @category Store
   * @tags input operator, key value
   * @since 3.1.0
   *
   */
  
  public class RedisMapAsValueInputOperator extends AbstractRedisInputOperator<KeyValPair<String, Map<String, String>>>
  {
    @Override
    public void processTuples()
    {
      for (String key : keys) {
        if (store.getType(key).equals("hash")) {
          Map<String, String> mapValue = store.getMap(key);
          outputPort.emit(new KeyValPair<String, Map<String, String>>(key, mapValue));
        }
      }
      keys.clear();
    }
  
    @Override
    public KeyValPair<String, Map<String, String>> convertToTuple(Map<Object, Object> o)
    {
      // Do nothing for the override, Emit already handled in processTuples
      return null;
    }
  }
  