Source Code Cross Referenced for TimerNotificationTestCase.java in  » EJB-Server-JBoss-4.2.1 » jmx » test » compliance » timer » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server JBoss 4.2.1 » jmx » test.compliance.timer 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * JBoss, Home of Professional Open Source.
003:         * Copyright 2006, Red Hat Middleware LLC, and individual contributors
004:         * as indicated by the @author tags. See the copyright.txt file in the
005:         * distribution for a full listing of individual contributors.
006:         *
007:         * This is free software; you can redistribute it and/or modify it
008:         * under the terms of the GNU Lesser General Public License as
009:         * published by the Free Software Foundation; either version 2.1 of
010:         * the License, or (at your option) any later version.
011:         *
012:         * This software is distributed in the hope that it will be useful,
013:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
014:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015:         * Lesser General Public License for more details.
016:         *
017:         * You should have received a copy of the GNU Lesser General Public
018:         * License along with this software; if not, write to the Free
019:         * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020:         * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
021:         */
022:        package test.compliance.timer;
023:
024:        import java.util.ArrayList;
025:        import java.util.Date;
026:
027:        import javax.management.MBeanServer;
028:        import javax.management.MBeanServerFactory;
029:        import javax.management.Notification;
030:        import javax.management.NotificationListener;
031:        import javax.management.ObjectName;
032:        import javax.management.timer.Timer;
033:        import javax.management.timer.TimerNotification;
034:
035:        import junit.framework.TestCase;
036:
037:        /**
038:         * Timer Notification Tests
039:         *
040:         * @author  <a href="mailto:Adrian.Brock@HappeningTimes.com">Adrian Brock</a>.
041:         */
042:        public class TimerNotificationTestCase extends TestCase implements 
043:                NotificationListener {
044:            // Constants ---------------------------------------------------------------
045:
046:            String TIMER_TYPE = "TimerType";
047:            String MESSAGE = "Message";
048:            String USER_DATA = "UserData";
049:
050:            // Attributes --------------------------------------------------------------
051:
052:            /**
053:             * The MBeanServer
054:             */
055:            MBeanServer server;
056:
057:            /**
058:             * The object name of the timer
059:             */
060:            ObjectName timerName;
061:
062:            /**
063:             * The timer
064:             */
065:            Timer timer;
066:
067:            /**
068:             * The timer notification id
069:             */
070:            Integer id;
071:
072:            /**
073:             * The notifications
074:             */
075:            ArrayList notifications = new ArrayList();
076:
077:            // Constructor -------------------------------------------------------------
078:
079:            /**
080:             * Construct the test
081:             */
082:            public TimerNotificationTestCase(String s) {
083:                super (s);
084:            }
085:
086:            // Tests -------------------------------------------------------------------
087:
088:            /**
089:             * Test a notification gives reasonable values
090:             */
091:            public void testReasonableValues() {
092:                initTest();
093:                try {
094:                    initTimer();
095:                    startTimer();
096:                    long startTime = timeOffset(0).getTime();
097:                    addNotification(TimerSUITE.ZERO_TIME);
098:                    sync();
099:                    stopTimer();
100:                    long endTime = timeOffset(0).getTime();
101:
102:                    assertEquals(1, notifications.size());
103:                    TimerNotification tn = (TimerNotification) notifications
104:                            .get(0);
105:                    assertEquals(MESSAGE, tn.getMessage());
106:                    assertEquals(1, tn.getSequenceNumber());
107:                    assertEquals(timerName, tn.getSource());
108:                    assertEquals(TIMER_TYPE, tn.getType());
109:                    assertEquals(USER_DATA, tn.getUserData());
110:                    assertEquals(id, tn.getNotificationID());
111:                    if (tn.getTimeStamp() < startTime + TimerSUITE.ZERO_TIME)
112:                        fail("Timer notification before start?");
113:                    if (tn.getTimeStamp() > endTime)
114:                        fail("Timer notification after end?");
115:                } finally {
116:                    MBeanServerFactory.releaseMBeanServer(server);
117:                }
118:            }
119:
120:            // Support -----------------------------------------------------------------
121:
122:            /**
123:             * Start a new test
124:             */
125:            private void initTest() {
126:                notifications.clear();
127:                server = MBeanServerFactory.createMBeanServer();
128:            }
129:
130:            /**
131:             * Create a timer and register ourselves as a listener
132:             */
133:            private void initTimer() {
134:                try {
135:                    timer = new Timer();
136:                    timerName = new ObjectName("test:type=timer");
137:                    server.registerMBean(timer, timerName);
138:                    server.addNotificationListener(timerName, this , null, null);
139:                } catch (Exception e) {
140:                    fail(e.toString());
141:                }
142:            }
143:
144:            /**
145:             * Start the timer
146:             */
147:            private void startTimer() {
148:                timer.start();
149:            }
150:
151:            /**
152:             * Stop the timer, does a small wait to avoid problems with the RI
153:             */
154:            private void stopTimer() {
155:                sleep();
156:                timer.stop();
157:            }
158:
159:            /**
160:             * Add a notification
161:             */
162:            private void addNotification(long offset) {
163:                id = timer.addNotification(TIMER_TYPE, MESSAGE, USER_DATA,
164:                        timeOffset(TimerSUITE.ZERO_TIME));
165:            }
166:
167:            /**
168:             * Handle the notification, just add it to the list
169:             */
170:            public void handleNotification(Notification n, Object ignored) {
171:                notifications.add(n);
172:                synchronized (notifications) {
173:                    notifications.notifyAll();
174:                }
175:            }
176:
177:            /**
178:             * Sync with the notification handler
179:             */
180:            private void sync() {
181:                synchronized (notifications) {
182:                    try {
183:                        notifications.wait(TimerSUITE.MAX_WAIT);
184:                    } catch (InterruptedException ignored) {
185:                    }
186:                }
187:            }
188:
189:            /**
190:             * Get the time using and offset
191:             */
192:            private Date timeOffset(long offset) {
193:                return new Date(System.currentTimeMillis() + offset);
194:            }
195:
196:            /**
197:             * Sleep for the default time
198:             */
199:            private void sleep() {
200:                sleep(TimerSUITE.ZERO_TIME);
201:            }
202:
203:            /**
204:             * Sleep for a bit
205:             */
206:            private void sleep(long time) {
207:                try {
208:                    Thread.sleep(time);
209:                } catch (InterruptedException ignored) {
210:                }
211:            }
212:        }
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