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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  /**
33   * Helper class, representing an entry on an {@link java.nio.channels.SelectionKey#interestOps(int)
34   * interestOps(int)} queue.
35   *
36   * @since 4.1
37   */
38  class InterestOpEntry {
39  
40      private final SelectionKey key;
41      private final int eventMask;
42  
43      public InterestOpEntry(final SelectionKey key, int eventMask) {
44          super();
45          if (key == null) {
46              throw new IllegalArgumentException("Selection key may not be null");
47          }
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(Object obj) {
62          return this.key.equals(obj);
63      }
64  
65      @Override
66      public int hashCode() {
67          return this.key.hashCode();
68      }
69  
70  }