01: package it.unimi.dsi.fastutil;
02:
03: /*
04: * fastutil: Fast & compact type-specific collections for Java
05: *
06: * Copyright (C) 2003-2008 Paolo Boldi and Sebastiano Vigna
07: *
08: * This library is free software; you can redistribute it and/or
09: * modify it under the terms of the GNU Lesser General Public
10: * License as published by the Free Software Foundation; either
11: * version 2.1 of the License, or (at your option) any later version.
12: *
13: * This library is distributed in the hope that it will be useful,
14: * but WITHOUT ANY WARRANTY; without even the implied warranty of
15: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16: * Lesser General Public License for more details.
17: *
18: * You should have received a copy of the GNU Lesser General Public
19: * License along with this library; if not, write to the Free Software
20: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21: *
22: */
23:
24: /** An abstract class providing basic methods for implementing the {@link IndirectPriorityQueue} interface.
25: *
26: * <P>This class defines {@link #changed(int)}, {@link #allChanged()}, {@link #remove(int)} and {@link #last()} as throwing an
27: * {@link UnsupportedOperationException}.
28: */
29:
30: public abstract class AbstractIndirectPriorityQueue<K> implements
31: IndirectPriorityQueue<K> {
32:
33: public int last() {
34: throw new UnsupportedOperationException();
35: }
36:
37: public void changed() {
38: changed(first());
39: }
40:
41: public void changed(int index) {
42: throw new UnsupportedOperationException();
43: }
44:
45: public void allChanged() {
46: throw new UnsupportedOperationException();
47: }
48:
49: public void remove(int index) {
50: throw new UnsupportedOperationException();
51: }
52:
53: public boolean isEmpty() {
54: return size() == 0;
55: }
56:
57: }
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