01: /*
02: *
03: * Jsmtpd, Java SMTP daemon
04: * Copyright (C) 2005 Jean-Francois POUX, jf.poux@laposte.net
05: *
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU General Public License
08: * as published by the Free Software Foundation; either version 2
09: * 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
14: * GNU General Public License for more details.
15: *
16: * You should have received a copy of the GNU General Public License
17: * along with this program; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19: *
20: */
21: package org.jsmtpd.tools.cache;
22:
23: /**
24: * Cache things
25: * @author jean-francois POUX
26: *
27: * @param <Key>
28: * @param <Value>
29: */
30: public interface ICache<Key, Value> {
31: /**
32: * get something from cache
33: * @param k key
34: * @return
35: * @throws CacheFaultException when not found
36: */
37: public Value get(Key k);
38:
39: /**
40: * Cache something
41: * @param key
42: * @param value
43: */
44: public void cache(Key key, Value value);
45:
46: /**
47: * Clears the entire cache
48: *
49: */
50: public void clear();
51:
52: /**
53: * Expires a cached item
54: * @param k
55: */
56: public void destroy(Key k);
57: }
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