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
   * <p/>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p/>
   * 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.flink.streaming.siddhi.operator;
  
  import org.apache.flink.streaming.runtime.streamrecord.StreamRecord;
  
  import java.io.Serializable;
  import java.util.Comparator;
  
  /**
   * Stream Record Timestamp Comparator
   */
  public class StreamRecordComparator<IN> implements Comparator<StreamRecord<IN>>, Serializable {
      private static final long serialVersionUID = 1581054988433915305L;
  
      @Override
      public int compare(StreamRecord<IN> o1, StreamRecord<IN> o2) {
          if (o1.getTimestamp() < o2.getTimestamp()) {
              return -1;
          } else if (o1.getTimestamp() > o2.getTimestamp()) {
              return 1;
          } else {
              return 0;
          }
      }
  }
  