| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| PerformanceLog |
|
| 1.0;1 | ||||
| PerformanceLog$PerformanceStopWatch |
|
| 1.0;1 |
| 1 | /** | |
| 2 | * Copyright 2005-2011 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 | } |