01: /*
02: * hgcommons 7
03: * Hammurapi Group Common Library
04: * Copyright (C) 2003 Hammurapi Group
05: *
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * version 2 of the License, or (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public
17: * License along with this library; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19: *
20: * URL: http://www.hammurapi.biz/hammurapi-biz/ef/xmenu/hammurapi-group/products/products/hgcommons/index.html
21: * e-Mail: support@hammurapi.biz
22: */
23: package biz.hammurapi.cache;
24:
25: import java.util.ArrayList;
26: import java.util.Collection;
27: import java.util.Iterator;
28:
29: /**
30: * Implements remove event propagation to caches.
31: * @author Pavel Vlasov
32: * @version $Revision: 1.1 $
33: */
34: public abstract class AbstractProducer implements Producer {
35: private Collection caches = new ArrayList();
36:
37: protected void onRemove(Object key) {
38: synchronized (caches) {
39: Iterator it = caches.iterator();
40: while (it.hasNext()) {
41: ((Cache) it.next()).remove(key);
42: }
43: }
44: }
45:
46: public void addCache(Cache cache) {
47: synchronized (caches) {
48: caches.add(cache);
49: }
50: }
51:
52: }
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