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.misc.algo;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.PriorityQueue;
  
  import org.apache.apex.malhar.lib.util.AbstractBaseSortOperator;
  import org.apache.apex.malhar.lib.util.ReversibleComparator;
  
  import com.datatorrent.api.DefaultInputPort;
  import com.datatorrent.api.DefaultOutputPort;
  import com.datatorrent.api.annotation.InputPortFieldAnnotation;
  import com.datatorrent.api.annotation.OperatorAnnotation;
  import com.datatorrent.api.annotation.OutputPortFieldAnnotation;
  
  /**
   * This operator takes the values it receives each window and outputs them in ascending order at the end of each window.
   * <p>
   * Incoming tuple is inserted into already existing sorted list in a descending order. At the end of the window the resultant sorted list is emitted on the output ports.
   * </p>
   * <p>
   * <br>
   * <b>StateFull : Yes, </b> tuple are compare across application window(s). <br>
   * <b>Partitions : No, </b> will yield wrong results. <br>
   * <br>
   * <b>Ports</b>:<br>
   * <b>data</b>: expects K<br>
   * <b>datalist</b>: expects ArrayList&lt;K&gt;<br>
   * <b>sortlist</b>: emits ArrayList&lt;K&gt;<br>
   * <b>sorthash</b>: emits HashMap&lt;K,Integer&gt;<br>
   * <br>
   * <br>
   * </p>
   * @displayName Sort Descending
   * @category Stream Manipulators
   * @tags rank, sort
   * @deprecated
   * @since 0.3.2
   */
  @Deprecated
  //
  // TODO: Override PriorityQueue and rewrite addAll to insert with location
  //
  @OperatorAnnotation(partitionable = false)
  public class InsertSortDesc<K> extends AbstractBaseSortOperator<K>
  {
    /**
     * The input port on which individual tuples are received for sorting.
     */
    @InputPortFieldAnnotation(optional = true)
    public final transient DefaultInputPort<K> data = new DefaultInputPort<K>()
    {
      /**
       * Adds tuple to sorted queue
       */
      @Override
      public void process(K tuple)
      {
        processTuple(tuple);
      }
    };
    /**
     * The input port on which lists of tuples are received for sorting.
     */
    @InputPortFieldAnnotation(optional = true)
    public final transient DefaultInputPort<ArrayList<K>> datalist = new DefaultInputPort<ArrayList<K>>()
    {
      /**
       * Adds tuples to sorted queue
       */
      @Override
      public void process(ArrayList<K> tuple)
      {
        processTuple(tuple);
      }
    };
  
    /**
     * The output port on which a sorted descending list of tuples is emitted.
     */
    @OutputPortFieldAnnotation(optional = true)
    public final transient DefaultOutputPort<ArrayList<K>> sort = new DefaultOutputPort<ArrayList<K>>();
    @OutputPortFieldAnnotation(optional = true)
    /**
     * This output port emits a map from tuples to a count of the number of times each tuple occurred in the application window.
     */
    public final transient DefaultOutputPort<HashMap<K, Integer>> sorthash = new DefaultOutputPort<HashMap<K, Integer>>();
  
    @Override
    public void initializeQueue()
    {
      pqueue = new PriorityQueue<K>(getSize(), new ReversibleComparator<K>(false));
    }
  
  
    @Override
    public void emitToList(ArrayList<K> list)
    {
      sort.emit(list);
    }
  
    @Override
    public void emitToHash(HashMap<K,Integer> map)
    {
      sorthash.emit(map);
    }
  
    @Override
    public boolean doEmitList()
    {
      return sort.isConnected();
    }
  
    @Override
    public boolean doEmitHash()
    {
      return sorthash.isConnected();
    }
  }
  