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Java > Open Source Codes > org > jboss > util > collection > CollectionsFactory


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */
22 package org.jboss.util.collection;
23
24 import java.util.List JavaDoc;
25 import java.util.Map JavaDoc;
26 import java.util.Set JavaDoc;
27
28 import org.jboss.util.collection.LazyList;
29 import org.jboss.util.collection.LazyMap;
30 import org.jboss.util.collection.LazySet;
31
32 import EDU.oswego.cs.dl.util.concurrent.ConcurrentReaderHashMap;
33 import EDU.oswego.cs.dl.util.concurrent.CopyOnWriteArrayList;
34 import EDU.oswego.cs.dl.util.concurrent.CopyOnWriteArraySet;
35
36 /**
37  * Collections factory.
38  *
39  * @author <a HREF="adrian@jboss.com">Adrian Brock</a>
40  * @version $Revision: 1958 $
41  */
42 public class CollectionsFactory
43 {
44    /**
45     * Defines the map implementation
46     */
47    public static final Map JavaDoc createLazyMap()
48    {
49       return new LazyMap();
50    }
51
52    /**
53     * Defines the list implementation
54     */
55    public static final List JavaDoc createLazyList()
56    {
57       return new LazyList();
58    }
59
60    /**
61     * Defines the set implementation
62     */
63    public static final Set JavaDoc createLazySet()
64    {
65       return new LazySet();
66    }
67
68    /**
69     * Defines the concurrent map implementation
70     */
71    public static final Map JavaDoc createConcurrentReaderMap()
72    {
73       return new ConcurrentReaderHashMap();
74    }
75
76    /**
77     * Defines the concurrent list implementation
78     */
79    public static final List JavaDoc createCopyOnWriteList()
80    {
81       return new CopyOnWriteArrayList();
82    }
83
84    /**
85     * Defines the concurrent set implementation
86     */
87    public static final Set JavaDoc createCopyOnWriteSet()
88    {
89       return new CopyOnWriteArraySet();
90    }
91 }
92
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