01: /*
02: * This file is part of PFIXCORE.
03: *
04: * PFIXCORE is free software; you can redistribute it and/or modify
05: * it under the terms of the GNU Lesser General Public License as published by
06: * the Free Software Foundation; either version 2 of the License, or
07: * (at your option) any later version.
08: *
09: * PFIXCORE is distributed in the hope that it will be useful,
10: * but WITHOUT ANY WARRANTY; without even the implied warranty of
11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12: * GNU Lesser General Public License for more details.
13: *
14: * You should have received a copy of the GNU Lesser General Public License
15: * along with PFIXCORE; if not, write to the Free Software
16: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17: *
18: */
19:
20: package de.schlund.pfixxml.targets;
21:
22: import java.util.HashMap;
23: import java.util.Iterator;
24: import java.util.TreeMap;
25:
26: /**
27: *
28: *
29: */
30:
31: public class SimpleCache<T1, T2> implements SPCache<T1, T2> {
32: private HashMap<T1, T2> cache = null;
33:
34: public SimpleCache() {
35: // ???
36: super ();
37: }
38:
39: public void createCache(int capacity) {
40: cache = new HashMap<T1, T2>();
41: }
42:
43: public Iterator<T1> getIterator() {
44: TreeMap<T1, T2> tmphash;
45: synchronized (cache) {
46: tmphash = new TreeMap<T1, T2>(cache);
47: }
48: return tmphash.keySet().iterator();
49: }
50:
51: public T2 getValue(Object key) {
52: synchronized (cache) {
53: return cache.get(key);
54: }
55: }
56:
57: public void setValue(T1 key, T2 value) {
58: synchronized (cache) {
59: cache.put(key, value);
60: }
61: }
62:
63: public int getCapacity() {
64: // unlimited
65: return -1;
66: }
67:
68: public int getSize() {
69: return cache.size();
70: }
71: }
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