Source Code Cross Referenced for JmsSessionFactoryImpl.java in  » EJB-Server-JBoss-4.2.1 » connector » org » jboss » resource » adapter » jms » 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 » connector » org.jboss.resource.adapter.jms 
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 org.jboss.resource.adapter.jms;
023:
024:        import java.util.HashSet;
025:        import java.util.Iterator;
026:
027:        import javax.jms.ConnectionConsumer;
028:        import javax.jms.ConnectionMetaData;
029:        import javax.jms.Destination;
030:        import javax.jms.ExceptionListener;
031:        import javax.jms.IllegalStateException;
032:        import javax.jms.JMSException;
033:        import javax.jms.Queue;
034:        import javax.jms.QueueSession;
035:        import javax.jms.ServerSessionPool;
036:        import javax.jms.Session;
037:        import javax.jms.TemporaryQueue;
038:        import javax.jms.TemporaryTopic;
039:        import javax.jms.Topic;
040:        import javax.jms.TopicSession;
041:        import javax.naming.Reference;
042:        import javax.resource.Referenceable;
043:        import javax.resource.ResourceException;
044:        import javax.resource.spi.ConnectionManager;
045:        import javax.resource.spi.ManagedConnectionFactory;
046:
047:        import org.jboss.logging.Logger;
048:
049:        /**
050:         * Implements the JMS Connection API and produces {@link JmsSession} objects.
051:         *
052:         * @author  <a href="mailto:peter.antman@tim.se">Peter Antman</a>.
053:         * @author  <a href="mailto:jason@planet57.com">Jason Dillon</a>
054:         * @author <a href="mailto:adrian@jboss.com">Adrian Brock</a>
055:         * @version <tt>$Revision: 57189 $</tt>
056:         */
057:        public class JmsSessionFactoryImpl implements  JmsSessionFactory,
058:                Referenceable {
059:            private static final Logger log = Logger
060:                    .getLogger(JmsSessionFactoryImpl.class);
061:
062:            /** Are we closed? */
063:            private boolean closed = false;
064:
065:            /** Whether trace is enabled */
066:            private boolean trace = log.isTraceEnabled();
067:
068:            private Reference reference;
069:
070:            // Used from JmsConnectionFactory
071:            private String userName;
072:            private String password;
073:            private String clientID;
074:            private int type;
075:
076:            /* Whether we are started */
077:            private boolean started = false;
078:
079:            /** JmsRa own factory */
080:            private JmsManagedConnectionFactory mcf;
081:
082:            /** Hook to the appserver */
083:            private ConnectionManager cm;
084:
085:            /** The sessions */
086:            private HashSet sessions = new HashSet();
087:
088:            /** The temporary queues */
089:            private HashSet tempQueues = new HashSet();
090:
091:            /** The temporary topics */
092:            private HashSet tempTopics = new HashSet();
093:
094:            public JmsSessionFactoryImpl(final ManagedConnectionFactory mcf,
095:                    final ConnectionManager cm, final int type) {
096:                this .mcf = (JmsManagedConnectionFactory) mcf;
097:                this .cm = cm;
098:
099:                if (cm == null)
100:                    // This is standalone usage, no appserver
101:                    this .cm = new JmsConnectionManager();
102:                else
103:                    this .cm = cm;
104:
105:                this .type = type;
106:
107:                if (trace)
108:                    log.trace("mcf=" + mcf + ", cm=" + cm + ", type=" + type);
109:            }
110:
111:            public void setReference(final Reference reference) {
112:                this .reference = reference;
113:            }
114:
115:            public Reference getReference() {
116:                return reference;
117:            }
118:
119:            // --- API for JmsConnectionFactoryImpl
120:
121:            public void setUserName(final String name) {
122:                userName = name;
123:            }
124:
125:            public void setPassword(final String password) {
126:                this .password = password;
127:            }
128:
129:            //---- QueueConnection ---
130:
131:            public QueueSession createQueueSession(final boolean transacted,
132:                    final int acknowledgeMode) throws JMSException {
133:                checkClosed();
134:                if (type == JmsConnectionFactory.TOPIC)
135:                    throw new IllegalStateException(
136:                            "Can not get a queue session from a topic connection");
137:                return allocateConnection(transacted, acknowledgeMode, type);
138:            }
139:
140:            public ConnectionConsumer createConnectionConsumer(Queue queue,
141:                    String messageSelector, ServerSessionPool sessionPool,
142:                    int maxMessages) throws JMSException {
143:                throw new IllegalStateException(ISE);
144:            }
145:
146:            //--- TopicConnection ---
147:
148:            public TopicSession createTopicSession(final boolean transacted,
149:                    final int acknowledgeMode) throws JMSException {
150:                checkClosed();
151:                if (type == JmsConnectionFactory.QUEUE)
152:                    throw new IllegalStateException(
153:                            "Can not get a topic session from a queue connection");
154:                return allocateConnection(transacted, acknowledgeMode, type);
155:            }
156:
157:            public ConnectionConsumer createConnectionConsumer(Topic topic,
158:                    String messageSelector, ServerSessionPool sessionPool,
159:                    int maxMessages) throws JMSException {
160:                throw new IllegalStateException(ISE);
161:            }
162:
163:            public ConnectionConsumer createDurableConnectionConsumer(
164:                    Topic topic, String subscriptionName,
165:                    String messageSelector, ServerSessionPool sessionPool,
166:                    int maxMessages) throws JMSException {
167:                throw new IllegalStateException(ISE);
168:            }
169:
170:            //--- All the Connection methods
171:
172:            public String getClientID() throws JMSException {
173:                checkClosed();
174:                return clientID;
175:            }
176:
177:            public void setClientID(String cID) throws JMSException {
178:                if (mcf.isStrict())
179:                    throw new IllegalStateException(ISE);
180:
181:                checkClosed();
182:                if (clientID != null)
183:                    throw new IllegalStateException("Cannot change client id");
184:                clientID = cID;
185:            }
186:
187:            public ConnectionMetaData getMetaData() throws JMSException {
188:                checkClosed();
189:                return mcf.getMetaData();
190:            }
191:
192:            public ExceptionListener getExceptionListener() throws JMSException {
193:                throw new IllegalStateException(ISE);
194:            }
195:
196:            public void setExceptionListener(ExceptionListener listener)
197:                    throws JMSException {
198:                throw new IllegalStateException(ISE);
199:            }
200:
201:            public void start() throws JMSException {
202:                checkClosed();
203:                if (trace)
204:                    log.trace("start() " + this );
205:                synchronized (sessions) {
206:                    if (started)
207:                        return;
208:                    started = true;
209:                    for (Iterator i = sessions.iterator(); i.hasNext();) {
210:                        JmsSession session = (JmsSession) i.next();
211:                        session.start();
212:                    }
213:                }
214:            }
215:
216:            public void stop() throws JMSException {
217:                if (mcf.isStrict())
218:                    throw new IllegalStateException(ISE);
219:                checkClosed();
220:                if (trace)
221:                    log.trace("stop() " + this );
222:                synchronized (sessions) {
223:                    if (started == false)
224:                        return;
225:                    started = true;
226:                    for (Iterator i = sessions.iterator(); i.hasNext();) {
227:                        JmsSession session = (JmsSession) i.next();
228:                        session.stop();
229:                    }
230:                }
231:            }
232:
233:            public void close() throws JMSException {
234:                if (closed)
235:                    return;
236:                closed = true;
237:
238:                if (trace)
239:                    log.trace("close() " + this );
240:
241:                synchronized (sessions) {
242:                    for (Iterator i = sessions.iterator(); i.hasNext();) {
243:                        JmsSession session = (JmsSession) i.next();
244:                        try {
245:                            session.closeSession();
246:                        } catch (Throwable t) {
247:                            log.trace("Error closing session", t);
248:                        }
249:                        i.remove();
250:                    }
251:                }
252:
253:                synchronized (tempQueues) {
254:                    for (Iterator i = tempQueues.iterator(); i.hasNext();) {
255:                        TemporaryQueue temp = (TemporaryQueue) i.next();
256:                        try {
257:                            if (trace)
258:                                log.trace("Closing temporary queue " + temp
259:                                        + " for " + this );
260:                            temp.delete();
261:                        } catch (Throwable t) {
262:                            log.trace("Error deleting temporary queue", t);
263:                        }
264:                        i.remove();
265:                    }
266:                }
267:
268:                synchronized (tempTopics) {
269:                    for (Iterator i = tempTopics.iterator(); i.hasNext();) {
270:                        TemporaryTopic temp = (TemporaryTopic) i.next();
271:                        try {
272:                            if (trace)
273:                                log.trace("Closing temporary topic " + temp
274:                                        + " for " + this );
275:                            temp.delete();
276:                        } catch (Throwable t) {
277:                            log.trace("Error deleting temporary queue", t);
278:                        }
279:                        i.remove();
280:                    }
281:                }
282:            }
283:
284:            public void closeSession(JmsSession session) throws JMSException {
285:                synchronized (sessions) {
286:                    sessions.remove(session);
287:                }
288:            }
289:
290:            public void addTemporaryQueue(TemporaryQueue temp) {
291:                synchronized (tempQueues) {
292:                    tempQueues.add(temp);
293:                }
294:            }
295:
296:            public void addTemporaryTopic(TemporaryTopic temp) {
297:                synchronized (tempTopics) {
298:                    tempTopics.add(temp);
299:                }
300:            }
301:
302:            // -- JMS 1.1
303:
304:            public ConnectionConsumer createConnectionConsumer(
305:                    Destination destination, ServerSessionPool pool,
306:                    int maxMessages) throws JMSException {
307:                throw new IllegalStateException(ISE);
308:            }
309:
310:            public ConnectionConsumer createConnectionConsumer(
311:                    Destination destination, String name,
312:                    ServerSessionPool pool, int maxMessages)
313:                    throws JMSException {
314:                throw new IllegalStateException(ISE);
315:            }
316:
317:            public Session createSession(boolean transacted, int acknowledgeMode)
318:                    throws JMSException {
319:                checkClosed();
320:                return allocateConnection(transacted, acknowledgeMode, type);
321:            }
322:
323:            protected JmsSession allocateConnection(boolean transacted,
324:                    int acknowledgeMode, int sessionType) throws JMSException {
325:                try {
326:                    synchronized (sessions) {
327:                        if (mcf.isStrict() && sessions.isEmpty() == false)
328:                            throw new IllegalStateException(
329:                                    "Only allowed one session per connection. See the J2EE spec, e.g. J2EE1.4 Section 6.6");
330:                        if (transacted)
331:                            acknowledgeMode = Session.SESSION_TRANSACTED;
332:                        JmsConnectionRequestInfo info = new JmsConnectionRequestInfo(
333:                                transacted, acknowledgeMode, sessionType);
334:                        info.setUserName(userName);
335:                        info.setPassword(password);
336:                        info.setClientID(clientID);
337:
338:                        if (trace)
339:                            log.trace("Allocating session for " + this 
340:                                    + " with request info=" + info);
341:                        JmsSession session = (JmsSession) cm
342:                                .allocateConnection(mcf, info);
343:                        if (trace)
344:                            log.trace("Allocated  " + this  + " session="
345:                                    + session);
346:                        session.setJmsSessionFactory(this );
347:                        if (started)
348:                            session.start();
349:                        sessions.add(session);
350:                        return session;
351:                    }
352:                } catch (ResourceException e) {
353:                    log.error("could not create session", e);
354:
355:                    JMSException je = new JMSException(
356:                            "Could not create a session: " + e);
357:                    je.setLinkedException(e);
358:                    throw je;
359:                }
360:            }
361:
362:            protected void checkClosed() throws IllegalStateException {
363:                if (closed)
364:                    throw new IllegalStateException("The connection is closed");
365:            }
366:        }
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