View Javadoc

1   /*   Open Source Java Caching Service
2   *    Copyright (C) 2002 Frank Karlstrøm
3   *    This library is free software; you can redistribute it and/or
4   *    modify it under the terms of the GNU Lesser General Public
5   *    License as published by the Free Software Foundation; either
6   *    version 2.1 of the License, or (at your option) any later version.
7   *
8   *    This library is distributed in the hope that it will be useful,
9   *    but WITHOUT ANY WARRANTY; without even the implied warranty of
10  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11  *    Lesser General Public License for more details.
12  *
13  *    You should have received a copy of the GNU Lesser General Public
14  *    License along with this library; if not, write to the Free Software
15  *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16  *
17  *    The author can be contacted by email: fjankk@users.sourceforge.net
18  */
19  package org.fjank.jcache;
20  
21  
22  
23  /**
24   * This class defines a region in the cache.
25   *
26   * @author Frank Karlstrøm
27   */
28  public class CacheRegion extends org.fjank.jcache.CacheGroup {
29      /** the default region in the cache. */
30      private static CacheRegion defaultRegion;
31  
32      /**
33       * Creates new CacheRegionObject
34       *
35       * @param name the name of the new region.
36       * @param attributes the attributes for the new region.
37       */
38      public CacheRegion(final String name, final AttributesImpl attributes) {
39          super(name, attributes);
40      }
41  
42      /**
43       * returns the default region in the cache.
44       *
45       * @return the default region in the cache.
46       */
47      public static synchronized CacheRegion getRegion() {
48          if (defaultRegion == null) {
49              defaultRegion = new CacheRegion(null, null);
50          }
51          return defaultRegion;
52      }
53  
54      /**
55       * returns a String representation of this region.
56       *
57       * @return a String representation of this region.
58       */
59      public String toString() {
60          return name + " " + weakReferenceObjects;
61      }
62  
63      
64  
65      
66  }