diff options
Diffstat (limited to 'plugins/org.eclipse.net4j.examples.installer/examples/org.eclipse.net4j.jms.api/src/javax/jms/QueueRequestor.java')
| -rw-r--r-- | plugins/org.eclipse.net4j.examples.installer/examples/org.eclipse.net4j.jms.api/src/javax/jms/QueueRequestor.java | 195 |
1 files changed, 98 insertions, 97 deletions
diff --git a/plugins/org.eclipse.net4j.examples.installer/examples/org.eclipse.net4j.jms.api/src/javax/jms/QueueRequestor.java b/plugins/org.eclipse.net4j.examples.installer/examples/org.eclipse.net4j.jms.api/src/javax/jms/QueueRequestor.java index 68860de448..e0b13ff396 100644 --- a/plugins/org.eclipse.net4j.examples.installer/examples/org.eclipse.net4j.jms.api/src/javax/jms/QueueRequestor.java +++ b/plugins/org.eclipse.net4j.examples.installer/examples/org.eclipse.net4j.jms.api/src/javax/jms/QueueRequestor.java @@ -1,124 +1,125 @@ /* - * The contents of this file are subject to the terms - * of the Common Development and Distribution License + * The contents of this file are subject to the terms + * of the Common Development and Distribution License * (the License). You may not use this file except in * compliance with the License. - * - * You can obtain a copy of the license at + * + * You can obtain a copy of the license at * https://glassfish.dev.java.net/public/CDDLv1.0.html or * glassfish/bootstrap/legal/CDDLv1.0.txt. - * See the License for the specific language governing + * See the License for the specific language governing * permissions and limitations under the License. - * - * When distributing Covered Code, include this CDDL - * Header Notice in each file and include the License file - * at glassfish/bootstrap/legal/CDDLv1.0.txt. - * If applicable, add the following below the CDDL Header, + * + * When distributing Covered Code, include this CDDL + * Header Notice in each file and include the License file + * at glassfish/bootstrap/legal/CDDLv1.0.txt. + * If applicable, add the following below the CDDL Header, * with the fields enclosed by brackets [] replaced by - * you own identifying information: + * you own identifying information: * "Portions Copyrighted [year] [name of copyright owner]" - * + * * Copyright 2006 Sun Microsystems, Inc. All rights reserved. */ - package javax.jms; /** The <CODE>QueueRequestor</CODE> helper class simplifies - * making service requests. - * - * <P>The <CODE>QueueRequestor</CODE> constructor is given a non-transacted - * <CODE>QueueSession</CODE> and a destination <CODE>Queue</CODE>. It creates a - * <CODE>TemporaryQueue</CODE> for the responses and provides a - * <CODE>request</CODE> method that sends the request message and waits - * for its reply. - * - * <P>This is a basic request/reply abstraction that should be sufficient - * for most uses. JMS providers and clients are free to create more - * sophisticated versions. - * - * @version 1.0 - 8 July 1998 - * @author Mark Hapner - * @author Rich Burridge - * - * @see javax.jms.TopicRequestor - */ + * making service requests. + * + * <P>The <CODE>QueueRequestor</CODE> constructor is given a non-transacted + * <CODE>QueueSession</CODE> and a destination <CODE>Queue</CODE>. It creates a + * <CODE>TemporaryQueue</CODE> for the responses and provides a + * <CODE>request</CODE> method that sends the request message and waits + * for its reply. + * + * <P>This is a basic request/reply abstraction that should be sufficient + * for most uses. JMS providers and clients are free to create more + * sophisticated versions. + * + * @version 1.0 - 8 July 1998 + * @author Mark Hapner + * @author Rich Burridge + * + * @see javax.jms.TopicRequestor + */ + +public class QueueRequestor +{ -public class QueueRequestor { + QueueSession session; // The queue session the queue belongs to. - QueueSession session; // The queue session the queue belongs to. - Queue queue; // The queue to perform the request/reply on. - TemporaryQueue tempQueue; - QueueSender sender; - QueueReceiver receiver; + Queue queue; // The queue to perform the request/reply on. + TemporaryQueue tempQueue; - /** Constructor for the <CODE>QueueRequestor</CODE> class. - * - * <P>This implementation assumes the session parameter to be non-transacted, - * with a delivery mode of either <CODE>AUTO_ACKNOWLEDGE</CODE> or - * <CODE>DUPS_OK_ACKNOWLEDGE</CODE>. - * - * @param session the <CODE>QueueSession</CODE> the queue belongs to - * @param queue the queue to perform the request/reply call on - * - * @exception JMSException if the JMS provider fails to create the - * <CODE>QueueRequestor</CODE> due to some internal - * error. - * @exception InvalidDestinationException if an invalid queue is specified. - */ + QueueSender sender; - public - QueueRequestor(QueueSession session, Queue queue) throws JMSException { - this.session = session; - this.queue = queue; - tempQueue = session.createTemporaryQueue(); - sender = session.createSender(queue); - receiver = session.createReceiver(tempQueue); - } + QueueReceiver receiver; + /** Constructor for the <CODE>QueueRequestor</CODE> class. + * + * <P>This implementation assumes the session parameter to be non-transacted, + * with a delivery mode of either <CODE>AUTO_ACKNOWLEDGE</CODE> or + * <CODE>DUPS_OK_ACKNOWLEDGE</CODE>. + * + * @param session the <CODE>QueueSession</CODE> the queue belongs to + * @param queue the queue to perform the request/reply call on + * + * @exception JMSException if the JMS provider fails to create the + * <CODE>QueueRequestor</CODE> due to some internal + * error. + * @exception InvalidDestinationException if an invalid queue is specified. + */ - /** Sends a request and waits for a reply. The temporary queue is used for - * the <CODE>JMSReplyTo</CODE> destination, and only one reply per request - * is expected. - * - * @param message the message to send - * - * @return the reply message - * - * @exception JMSException if the JMS provider fails to complete the - * request due to some internal error. - */ + public QueueRequestor(QueueSession session, Queue queue) throws JMSException + { + this.session = session; + this.queue = queue; + tempQueue = session.createTemporaryQueue(); + sender = session.createSender(queue); + receiver = session.createReceiver(tempQueue); + } - public Message - request(Message message) throws JMSException { - message.setJMSReplyTo(tempQueue); - sender.send(message); - return (receiver.receive()); - } + /** Sends a request and waits for a reply. The temporary queue is used for + * the <CODE>JMSReplyTo</CODE> destination, and only one reply per request + * is expected. + * + * @param message the message to send + * + * @return the reply message + * + * @exception JMSException if the JMS provider fails to complete the + * request due to some internal error. + */ + public Message request(Message message) throws JMSException + { + message.setJMSReplyTo(tempQueue); + sender.send(message); + return receiver.receive(); + } - /** Closes the <CODE>QueueRequestor</CODE> and its session. - * - * <P>Since a provider may allocate some resources on behalf of a - * <CODE>QueueRequestor</CODE> outside the Java virtual machine, clients - * should close them when they - * are not needed. Relying on garbage collection to eventually reclaim - * these resources may not be timely enough. - * - * <P>Note that this method closes the <CODE>QueueSession</CODE> object - * passed to the <CODE>QueueRequestor</CODE> constructor. - * - * @exception JMSException if the JMS provider fails to close the - * <CODE>QueueRequestor</CODE> due to some internal - * error. - */ + /** Closes the <CODE>QueueRequestor</CODE> and its session. + * + * <P>Since a provider may allocate some resources on behalf of a + * <CODE>QueueRequestor</CODE> outside the Java virtual machine, clients + * should close them when they + * are not needed. Relying on garbage collection to eventually reclaim + * these resources may not be timely enough. + * + * <P>Note that this method closes the <CODE>QueueSession</CODE> object + * passed to the <CODE>QueueRequestor</CODE> constructor. + * + * @exception JMSException if the JMS provider fails to close the + * <CODE>QueueRequestor</CODE> due to some internal + * error. + */ - public void - close() throws JMSException { + public void close() throws JMSException + { - // publisher and consumer created by constructor are implicitly closed. - session.close(); - tempQueue.delete(); - } + // publisher and consumer created by constructor are implicitly closed. + session.close(); + tempQueue.delete(); + } } |