PairEntry


1   /*
2    *  (c) Copyright 2001, 2002, 2003, 2004, 2005 Hewlett-Packard Development Company, LP
3    *  All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions
7    * are met:
8    * 1. Redistributions of source code must retain the above copyright
9    *    notice, this list of conditions and the following disclaimer.
10   * 2. Redistributions in binary form must reproduce the above copyright
11   *    notice, this list of conditions and the following disclaimer in the
12   *    documentation and/or other materials provided with the distribution.
13   * 3. The name of the author may not be used to endorse or promote products
14   *    derived from this software without specific prior written permission.
15  
16   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19   * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26   *
27   * $Id: PairEntry.java,v 1.5 2005/02/21 12:22:31 andy_seaborne Exp $
28   *
29   */
30  
31  package com.hp.hpl.jena.xmloutput.impl;
32  
33  /*
34   * @author jjc
35   * @version  Release='$Name:  $' Revision='$Revision: 1.5 $' Date='$Date: 2005/02/21 12:22:31 $'
36   */
37  class PairEntry implements java.util.Map.Entry {
38      Object   a;
39      Object   b;
40      public boolean equals(Object   o) {
41          if (o != null && (o instanceof PairEntry)) {
42              PairEntry e = (PairEntry) o;
43              return e.a.equals(a) && e.b.equals(b);
44          } else {
45              return false;
46          }
47      }
48      public Object   getKey() {
49          return a;
50      }
51      public Object   getValue() {
52          return b;
53      }
54      public int hashCode() {
55          return a.hashCode() ^ b.hashCode();
56      }
57      public Object   setValue(Object   value) {
58          throw new UnsupportedOperationException  ();
59      }
60      PairEntry(Object   a, Object   b) {
61          this.a = a;
62          this.b = b;
63      }
64  }
65
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