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Java > Open Source Codes > it > unimi > dsi > fastutil > AbstractIndirectPriorityQueue


1 package it.unimi.dsi.fastutil;
2
3 /*
4  * fastutil: Fast & compact type-specific collections for Java
5  *
6  * Copyright (C) 2003, 2004, 2005, 2006 Paolo Boldi and Sebastiano Vigna
7  *
8  * This library is free software; you can redistribute it and/or
9  * 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 IndirectPriorityQueue<K> {
31
32     public int last() { throw new UnsupportedOperationException JavaDoc(); }
33
34     public void changed() { changed( first() ); }
35
36     public void changed( int index ) { throw new UnsupportedOperationException JavaDoc(); }
37
38     public void allChanged() { throw new UnsupportedOperationException JavaDoc(); }
39
40     public void remove( int index ) { throw new UnsupportedOperationException JavaDoc(); }
41
42     public boolean isEmpty() { return size() == 0; }
43
44 }
45
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