1 /**
2 * This file Copyright (c) 2008-2018 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.debug;
35
36 import info.magnolia.context.MgnlContext;
37
38 import java.util.Iterator;
39 import java.util.Map;
40
41 import org.apache.commons.collections4.Factory;
42 import org.apache.commons.collections4.MapUtils;
43 import org.apache.commons.collections4.map.LinkedMap;
44
45 /**
46 * Key based time measuring.
47 */
48 public class PerformanceTestStatus {
49
50 private static final String ATTRIBUTE_NAME = PerformanceTestStatus.class.getName();
51
52 /**
53 * Simple place holder for the start and total execution times.
54 */
55 static class TestStatus {
56 long start = -1;
57 long total = -1;
58 }
59
60 Map states = MapUtils.lazyMap(new LinkedMap(), new Factory() {
61 @Override
62 public Object create() {
63 return new TestStatus();
64 }
65 });
66
67 public void start(String key) {
68 getTestStatus(key).start = System.currentTimeMillis();
69 }
70
71 private TestStatus getTestStatus(String key) {
72 return ((TestStatus) states.get(key));
73 }
74
75 public void stop(String key) {
76 TestStatus status = getTestStatus(key);
77 status.total += System.currentTimeMillis() - status.start;
78 }
79
80 public static PerformanceTestStatus getInstance() {
81 if (!MgnlContext.hasAttribute(ATTRIBUTE_NAME)) {
82 MgnlContext.setAttribute(ATTRIBUTE_NAME, new PerformanceTestStatus());
83 }
84 return (PerformanceTestStatus) MgnlContext.getAttribute(ATTRIBUTE_NAME);
85 }
86
87 @Override
88 public String toString() {
89 StringBuffer str = new StringBuffer();
90 final Iterator it = states.entrySet().iterator();
91 while (it.hasNext()) {
92 Map.Entry entry = (Map.Entry) it.next();
93 final TestStatus testStatus = (TestStatus) entry.getValue();
94 final String value = testStatus.total >= 0 ? String.valueOf(testStatus.total) : "(not stopped yet)";
95 str.append(entry.getKey());
96 str.append(": ");
97 str.append(value);
98 if (it.hasNext()) {
99 str.append(", ");
100 }
101 }
102 return str.toString();
103 }
104
105 }