01: // ============================================================================
02: // $Id: UniqueIterable.java,v 1.3 2006/05/22 03:37:53 davidahall Exp $
03: // Copyright (c) 2003-2005 David A. Hall
04: // ============================================================================
05: // The contents of this file are subject to the Common Development and
06: // Distribution License (CDDL), Version 1.0 (the License); you may not use this
07: // file except in compliance with the License. You should have received a copy
08: // of the the License along with this file: if not, a copy of the License is
09: // available from Sun Microsystems, Inc.
10: //
11: // http://www.sun.com/cddl/cddl.html
12: //
13: // From time to time, the license steward (initially Sun Microsystems, Inc.) may
14: // publish revised and/or new versions of the License. You may not use,
15: // distribute, or otherwise make this file available under subsequent versions
16: // of the License.
17: //
18: // Alternatively, the contents of this file may be used under the terms of the
19: // GNU Lesser General Public License Version 2.1 or later (the "LGPL"), in which
20: // case the provisions of the LGPL are applicable instead of those above. If you
21: // wish to allow use of your version of this file only under the terms of the
22: // LGPL, and not to allow others to use your version of this file under the
23: // terms of the CDDL, indicate your decision by deleting the provisions above
24: // and replace them with the notice and other provisions required by the LGPL.
25: // If you do not delete the provisions above, a recipient may use your version
26: // of this file under the terms of either the CDDL or the LGPL.
27: //
28: // This library is distributed in the hope that it will be useful,
29: // but WITHOUT ANY WARRANTY; without even the implied warranty of
30: // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
31: // ============================================================================
32:
33: package net.sf.jga.util;
34:
35: import java.util.Iterator;
36: import net.sf.jga.algorithms.Unique;
37: import net.sf.jga.fn.BinaryFunctor;
38:
39: /**
40: * Produces iterators that will not return the same element twice in succession.
41: * <p>
42: * Copyright © 2005 David A. Hall
43: *
44: * @author <a href="mailto:davidahall@users.sf.net">David A. Hall</a>
45: * @deprecated now packaged within the Unique class: use Unique.UniqueIterable.
46: */
47:
48: public class UniqueIterable<T> extends Unique.UniqueIterable<T> {
49:
50: /**
51: * Builds a UniqueIterable for the given base iterator. It will use an EqualTo
52: * predicate by default.
53: * @throws IllegalArgumentException if either argument is null
54: */
55: public UniqueIterable(Iterable<? extends T> base) {
56: super (base);
57: }
58:
59: /**
60: * Builds a UniqueIterable for the given base iterator that uses the given
61: * predicate to compare successive elements. The predicate should return
62: * TRUE if its first argument is equal to the second.
63: * @throws IllegalArgumentException if the base iterable is null
64: */
65: public UniqueIterable(Iterable<? extends T> base,
66: BinaryFunctor<T, T, Boolean> pred) {
67: super(base, pred);
68: }
69: }
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