01: /* ====================================================================
02: The Jicarilla Software License
03:
04: Copyright (c) 2003 Leo Simons.
05: All rights reserved.
06:
07: Permission is hereby granted, free of charge, to any person obtaining
08: a copy of this software and associated documentation files (the
09: "Software"), to deal in the Software without restriction, including
10: without limitation the rights to use, copy, modify, merge, publish,
11: distribute, sublicense, and/or sell copies of the Software, and to
12: permit persons to whom the Software is furnished to do so, subject to
13: the following conditions:
14:
15: The above copyright notice and this permission notice shall be
16: included in all copies or substantial portions of the Software.
17:
18: THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19: EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20: MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21: IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
22: CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23: TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24: SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25: ==================================================================== */
26: package org.jicarilla.container.selectors;
27:
28: import org.jicarilla.lang.CriterionExposingSelector;
29: import org.jicarilla.lang.Selector;
30: import org.jicarilla.lang.Assert;
31:
32: import java.util.Arrays;
33:
34: /**
35: * @author <a href="lsimons at jicarilla dot org">Leo Simons</a>
36: * @version $Id: AggregrateSelector.java,v 1.7 2004/03/23 13:37:52 lsimons Exp $
37: */
38: public class AggregrateSelector implements CriterionExposingSelector {
39: protected final Selector[] m_selectors;
40:
41: public AggregrateSelector(final Selector[] selectors) {
42: Assert.assertNotNull("selectors argument may not be null",
43: selectors);
44: m_selectors = selectors;
45: }
46:
47: public boolean select(final Object object) {
48: for (int i = 0; i < m_selectors.length; i++) {
49: final Selector selector = m_selectors[i];
50: if (selector.select(object))
51: return true;
52: }
53: return false;
54: }
55:
56: public Object getCriterion() {
57: return m_selectors;
58: }
59:
60: public boolean equals(final Object o) {
61: if (o == this )
62: return true;
63:
64: if (!(o instanceof AggregrateSelector))
65: return false;
66:
67: final Object criterion = ((AggregrateSelector) o)
68: .getCriterion();
69:
70: /*if( !(criterion instanceof Selector[]) )
71: return false;*/
72: final Selector[] selectors = (Selector[]) criterion;
73:
74: return Arrays.equals(m_selectors, selectors);
75: }
76:
77: public int hashCode() {
78: int code = 85;
79: for (int i = 0; i < m_selectors.length; i++) {
80: Selector selector = m_selectors[i];
81: if (selector == null)
82: code += 1;
83: else
84: code += selector.hashCode();
85: }
86: return code;
87: }
88: }
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