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 com.alibaba.jstorm.window;
  
  public class GlobalWindow extends TimeWindow {
  
      private static final long serialVersionUID = 1L;
  
      private static GlobalWindow INSTANCE = new GlobalWindow(Long.MIN_VALUE, Long.MAX_VALUE);
  
      private GlobalWindow(long start, long end) {
          super(start, end);
      }
  
      public static GlobalWindow get() {
          return INSTANCE;
      }
  
      @Override
      public long maxTimestamp() {
          return Long.MAX_VALUE;
      }
  
      @Override
      public boolean equals(Object o) {
          return this == o || !(o == null || getClass() != o.getClass());
      }
  
      @Override
      public int hashCode() {
          return 0;
      }
  
      @Override
      public String toString() {
          return "GlobalWindow";
      }
  }
  