01: /***************************************************************
02: * This file is part of the [fleXive](R) project.
03: *
04: * Copyright (c) 1999-2008
05: * UCS - unique computing solutions gmbh (http://www.ucs.at)
06: * All rights reserved
07: *
08: * The [fleXive](R) project is free software; you can redistribute
09: * it and/or modify it under the terms of the GNU General Public
10: * License as published by the Free Software Foundation;
11: * either version 2 of the License, or (at your option) any
12: * later version.
13: *
14: * The GNU General Public License can be found at
15: * http://www.gnu.org/copyleft/gpl.html.
16: * A copy is found in the textfile GPL.txt and important notices to the
17: * license from the author are found in LICENSE.txt distributed with
18: * these libraries.
19: *
20: * This library is distributed in the hope that it will be useful,
21: * but WITHOUT ANY WARRANTY; without even the implied warranty of
22: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23: * GNU General Public License for more details.
24: *
25: * For further information about UCS - unique computing solutions gmbh,
26: * please see the company website: http://www.ucs.at
27: *
28: * For further information about [fleXive](R), please see the
29: * project website: http://www.flexive.org
30: *
31: *
32: * This copyright notice MUST APPEAR in all copies of the file!
33: ***************************************************************/package com.flexive.shared;
34:
35: import org.apache.commons.lang.StringUtils;
36:
37: /**
38: * Simple cache stats beans.
39: *
40: * @author Daniel Lichtenberger (daniel.lichtenberger@flexive.com), UCS - unique computing solutions gmbh (http://www.ucs.at)
41: */
42: public class SimpleCacheStats {
43: private String description;
44: private int hits = 0;
45: private int misses = 0;
46:
47: public SimpleCacheStats(String description) {
48: this .description = description;
49: }
50:
51: public synchronized void addHit() {
52: hits++;
53: }
54:
55: public synchronized void addMiss() {
56: misses++;
57: }
58:
59: public int getHits() {
60: return hits;
61: }
62:
63: public int getMisses() {
64: return misses;
65: }
66:
67: public String getDescription() {
68: return description;
69: }
70:
71: public void setDescription(String description) {
72: this .description = description;
73: }
74:
75: /** {@inheritDoc} */
76: @Override
77: public String toString() {
78: return StringUtils.rightPad(description + ":", 16) + hits
79: + " hits, " + misses + " misses (hit rate = "
80: + ((double) hits / (hits + misses)) + ")";
81:
82: }
83:
84: }
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