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 biz.hammurapi.config.Component;
26: import biz.hammurapi.util.Acceptor;
27:
28: /**
29: * @author Pavel Vlasov
30: * @version $Revision: 1.2 $
31: */
32: public interface Cache extends Producer, Component {
33: /**
34: * Puts entry to cache
35: * @param key Key
36: * @param value Value
37: * @param time Timestamp (last modified)
38: * @param expirationTime Expiration time
39: */
40: void put(Object key, Object value, long time, long expirationTime);
41:
42: /**
43: * Removes all cache entries
44: */
45: void clear();
46:
47: /**
48: * Removes entry with specified key
49: * @param key
50: */
51: void remove(Object key);
52:
53: /**
54: * Removes keys accepted by acceptor
55: * @param acceptor
56: */
57: void remove(Acceptor acceptor);
58:
59: /**
60: *
61: * @return true if not shut down
62: */
63: boolean isActive();
64: }
|