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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  
28  package org.apache.http.impl.nio.reactor;
29  
30  import java.nio.channels.SelectionKey;
31  
32  import org.apache.http.util.Args;
33  
34  /**
35   * Helper class, representing an entry on an {@link java.nio.channels.SelectionKey#interestOps(int)
36   * interestOps(int)} queue.
37   *
38   * @since 4.1
39   */
40  class InterestOpEntry {
41  
42      private final SelectionKey key;
43      private final int eventMask;
44  
45      public InterestOpEntry(final SelectionKey key, final int eventMask) {
46          super();
47          Args.notNull(key, "Selection key");
48          this.key = key;
49          this.eventMask = eventMask;
50      }
51  
52      public SelectionKey getSelectionKey() {
53          return this.key;
54      }
55  
56      public int getEventMask() {
57          return this.eventMask;
58      }
59  
60      @Override
61      public boolean equals(final Object obj) {
62          if (this == obj) {
63              return true;
64          }
65          if (obj instanceof InterestOpEntry) {
66              final InterestOpEntry that = (InterestOpEntry) obj;
67              return this.key.equals(that.key);
68          } else {
69              return false;
70          }
71      }
72  
73      @Override
74      public int hashCode() {
75          return this.key.hashCode();
76      }
77  
78  }