01: /*
02: (c) Copyright 2004, 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP, all rights reserved.
03: [See end of file]
04: $Id: Alternatives.java,v 1.5 2008/01/02 12:06:04 andy_seaborne Exp $
05: */
06: package com.hp.hpl.jena.graph.query.regexptrees;
07:
08: import java.util.List;
09:
10: /**
11: Alt - expresses patterns which are an (ordered) sequence of alternatives.
12: @author kers
13: */
14: public class Alternatives extends MultiOperandTree {
15: public Alternatives(RegexpTree[] operands) {
16: super (operands);
17: }
18:
19: public static RegexpTree create(List operands) {
20: if (operands.size() == 1)
21: return (RegexpTree) operands.get(0);
22: else
23: return new Alternatives((RegexpTree[]) operands
24: .toArray(new RegexpTree[operands.size()]));
25: }
26:
27: public boolean equals(Object other) {
28: return other instanceof Alternatives
29: && sameOperands((Alternatives) other);
30: }
31:
32: public int hashCode() {
33: return hashCode(1);
34: }
35:
36: public String toString() {
37: return toString("alt");
38: }
39: }
40:
41: /*
42: (c) Copyright 2004, 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
43: All rights reserved.
44:
45: Redistribution and use in source and binary forms, with or without
46: modification, are permitted provided that the following conditions
47: are met:
48:
49: 1. Redistributions of source code must retain the above copyright
50: notice, this list of conditions and the following disclaimer.
51:
52: 2. Redistributions in binary form must reproduce the above copyright
53: notice, this list of conditions and the following disclaimer in the
54: documentation and/or other materials provided with the distribution.
55:
56: 3. The name of the author may not be used to endorse or promote products
57: derived from this software without specific prior written permission.
58:
59: THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
60: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
61: OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
62: IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
63: INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
64: NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
65: DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
66: THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
67: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
68: THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
69: */
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