This project has retired. For details please refer to its Attic page.
ClientRequestId xref
View Javadoc

1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  package org.apache.giraph.comm.netty.handler;
20  
21  /**
22   * Simple immutable object to use for tracking requests uniquely.  This
23   * object is guaranteed to be unique for a given client (based on the
24   * destination task and the request).
25   */
26  public class ClientRequestId {
27    /** Destination task id */
28    private final int destinationTaskId;
29    /** Request id */
30    private final long requestId;
31  
32    /**
33     * Constructor.
34     *
35     * @param destinationTaskId Destination task id
36     * @param requestId Request id
37     */
38    public ClientRequestId(int destinationTaskId, long requestId) {
39      this.destinationTaskId = destinationTaskId;
40      this.requestId = requestId;
41    }
42  
43    public int getDestinationTaskId() {
44      return destinationTaskId;
45    }
46  
47    public long getRequestId() {
48      return requestId;
49    }
50  
51    @Override
52    public int hashCode() {
53      return (29 * destinationTaskId) + (int) (57 * requestId);
54    }
55  
56    @Override
57    public boolean equals(Object other) {
58      if (other instanceof ClientRequestId) {
59        ClientRequestId otherObj = (ClientRequestId) other;
60        if (otherObj.getRequestId() == requestId &&
61            otherObj.getDestinationTaskId() == destinationTaskId) {
62          return true;
63        }
64      }
65  
66      return false;
67    }
68  
69    @Override
70    public String toString() {
71      return "(destTask=" + destinationTaskId + ",reqId=" + requestId + ")";
72    }
73  }