Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
PerformanceLog |
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| 1.0;1 | ||||
PerformanceLog$PerformanceStopWatch |
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| 1.0;1 |
1 | /* | |
2 | * Copyright 2007-2008 The Kuali Foundation | |
3 | * | |
4 | * Licensed under the Educational Community License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at | |
7 | * | |
8 | * http://www.opensource.org/licenses/ecl2.php | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | package org.kuali.rice.ken.util; | |
17 | ||
18 | import org.apache.commons.lang.time.DurationFormatUtils; | |
19 | import org.apache.commons.lang.time.StopWatch; | |
20 | import org.apache.log4j.Logger; | |
21 | ||
22 | /** | |
23 | * Wrapper for the Log4J performance log | |
24 | * @author Kuali Rice Team (rice.collab@kuali.org) | |
25 | */ | |
26 | 0 | public final class PerformanceLog { |
27 | 0 | private static final Logger LOG = Logger.getLogger("Performance"); |
28 | ||
29 | /** | |
30 | * This class | |
31 | * @author Kuali Rice Team (rice.collab@kuali.org) | |
32 | */ | |
33 | 0 | public static final class PerformanceStopWatch { |
34 | 0 | private StopWatch stopWatch = new StopWatch(); |
35 | private String message; | |
36 | ||
37 | /** | |
38 | * Constructs a PerformanceLog.java. | |
39 | * @param message | |
40 | */ | |
41 | 0 | public PerformanceStopWatch(String message) { |
42 | 0 | this.message = message; |
43 | 0 | stopWatch.start(); |
44 | 0 | } |
45 | ||
46 | /** | |
47 | * This method records the duration of how long a message delivery takes. | |
48 | */ | |
49 | public void recordDuration() { | |
50 | 0 | logDuration(message, stopWatch.getTime()); |
51 | 0 | } |
52 | } | |
53 | ||
54 | /** | |
55 | * This method returns an instance of the logger object. | |
56 | * @return Logger | |
57 | */ | |
58 | public static Logger getInstance() { | |
59 | 0 | return LOG; |
60 | } | |
61 | ||
62 | /** | |
63 | * This method returns a new stop watch instance. | |
64 | * @param message | |
65 | * @return PerformanceStopWatch | |
66 | */ | |
67 | public static PerformanceStopWatch startTimer(String message) { | |
68 | 0 | return new PerformanceStopWatch(message); |
69 | } | |
70 | ||
71 | /** | |
72 | * This method logs the duration information for a given message. | |
73 | * @param message | |
74 | * @param duration | |
75 | */ | |
76 | public static void logDuration(String message, long duration) { | |
77 | 0 | LOG.info(message + ": " + DurationFormatUtils.formatDurationHMS(duration) + " (" + duration+ " ms)"); |
78 | 0 | } |
79 | } |