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.Iterator;
23: import java.util.TreeMap;
24:
25: /**
26: *
27: *
28: */
29:
30: public class NullCache<T1, T2> implements SPCache<T1, T2> {
31:
32: public NullCache() {
33: // ???
34: super ();
35: }
36:
37: public void createCache(int capacity) {
38: // nothing to do
39: }
40:
41: public Iterator<T1> getIterator() {
42: TreeMap<T1, T2> tmphash = new TreeMap<T1, T2>();
43: return tmphash.keySet().iterator();
44: }
45:
46: public T2 getValue(T1 key) {
47: return null;
48: }
49:
50: public void setValue(T1 key, T2 value) {
51: // nothing here...
52: }
53:
54: public int getCapacity() {
55: return 0;
56: }
57:
58: public int getSize() {
59: return 0;
60: }
61: }
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