O'Reilly - Java Message Service

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Java Message Service Richard Monson-Haefel David A. Chappell Publisher: O'Reilly First Edition January 2001 ISBN: 0-596-00068-5, 238 pages This book is a thorough introduction to Java Message Service (JMS) from Sun Microsystems. It shows how to build applications using the point-to-point and publish-andsubscribe models; use features like transactions and durable subscriptions to make applications reliable; and use messaging within Enterprise JavaBeans. It also introduces a new EJB type, the MessageDrivenBean, that is part of EJB 2.0, and discusses integration of messaging into J2EE. Team[oR]
Table of Contents Preface ..............................................................................................................................1 What Is the Java Message Service?.................................................................................1 Who Should Read This Book?........................................................................................1 Organization...................................................................................................................2 Software and Versions ....................................................................................................3 Conventions ...................................................................................................................4 Comments and Questions ...............................................................................................4 Acknowledgments..........................................................................................................5 Chapter 1. Understanding the Messaging Paradigm ......................................................6 1.1 Enterprise Messaging................................................................................................7 1.2 The Java Message Service (JMS)..............................................................................9 1.3 Application Scenarios .............................................................................................11 1.4 RPC Versus Asynchronous Messaging ...................................................................15 Chapter 2. Developing a Simple Example .....................................................................19 2.1 The Chat Application..............................................................................................19 Chapter 3. Anatomy of a JMS Message.........................................................................33 3.1 Headers...................................................................................................................34 3.2 Properties................................................................................................................38 3.3 Message Selectors...................................................................................................40 3.4 Message Types .......................................................................................................42 Chapter 4. Publish-and-Subscribe Messaging...............................................................53 4.1 Getting Started with the B2B Application ...............................................................53 4.2 Temporary Topics...................................................................................................60 4.3 Durable Subscriptions.............................................................................................61 4.4 Publishing the Message Persistently........................................................................63 4.5 JMSCorrelationID...................................................................................................64 4.6 Request and Reply ..................................................................................................65 4.7 Unsubscribing.........................................................................................................68 Chapter 5. Point-to-Point Messaging.............................................................................69 5.1 Point-to-Point and Publish-and-Subscribe ...............................................................69 5.2 The QWholesaler and QRetailer..............................................................................71 5.3 Creating a Queue Dynamically ...............................................................................78 5.4 Load Balancing Using Multiple QueueSessions ......................................................79 5.5 Examining a Queue.................................................................................................80 Chapter 6. Guaranteed Messaging, Transactions, Acknowledgments & Failures ......84 6.1 Guaranteed Messaging............................................................................................84 6.2 Message Acknowledgments....................................................................................85 6.3 Message Groups and Acknowledgment...................................................................91 6.4 Transacted Messages ..............................................................................................95 6.5 Lost Connections ..................................................................................................104 6.6 Dead Message Queues ..........................................................................................106
Page 4 and 5: Chapter 7. Deployment Consideration
Page 6 and 7: Java Message Service Although this
Page 8 and 9: Java Message Service Examples devel
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Page 12 and 13: Java Message Service Before we disc
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Page 16 and 17: 1.3.1 Enterprise Application Integr
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Page 24 and 25: TopicConnectionFactory conFactory =
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Page 28 and 29: Understanding JNDI Java Message Ser
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Page 40 and 41: 3.1.1.3 JMSMessageID Java Message S
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Page 44 and 45: Java Message Service The following
Page 46 and 47: Notification of certain bids on inv
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Java Message Service Table 3.1 show
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Java Message Service Essentially, M
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3.4.9 Interoperability and Portabil
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4.1.1 Running the B2B Application J
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jne.printStackTrace( ); System.exit
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try { Properties env = new Properti
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Java Message Service Once the Retai
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Java Message Service We can demonst
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Java Message Service publish( ) met
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Java Message Service The receive( )
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4.7 Unsubscribing Java Message Serv
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Java Message Service multiple consu
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import javax.jms.TopicConnectionFac
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} } try { System.out.println("\nRet
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TopicConnectionFactory tFactory = n
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public QWholesaler(String broker, S
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Java Message Service have already p
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} if (message != null){ int orderQt
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Java Message Service Chapter 6. Gua
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6.2.1 AUTO_ACKNOWLEDGE Java Message
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Java Message Service via publish-an
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Java Message Service message. If th
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Java Message Service QWholesaler an
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Java Message Service avoids process
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Figure 6.8. Transactional messages
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Java Message Service uses a JMS tra
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} return; session.commit(); } else
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Else, commit (that's what just happ
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XAResource jmsXA = session.getXARes
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... } { try { Thread.sleep(10000);
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Chapter 7. Deployment Consideration
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Java Message Service A vendor may h
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Java Message Service that your memo
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Java Message Service only really vi
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7.2.5 The Bottom Line Java Message
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Java Message Service There are two
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Java Message Service Figure 7.2. Us
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Chapter 8. J2EE, EJB, and JMS 8.1 J
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Java Message Service JNDI ENC. In a
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8.3 The JMS Resource in J2EE Java M
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Java Message Service Although sessi
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Figure 8.3. Lifecycle of a message-
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Java Message Service With the messa
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Java Message Service It's also supp
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Java Message Service The FioranoMQ
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Java Message Service The iBus//Mobi
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9.6.2 Next Version Java Message Ser
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A.1.2 Connection Java Message Servi
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A.1.8 JMSException Java Message Ser
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} public void setInt(String name, i
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} public Message receiveNoWait( ) t
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} public void writeInt(int value) t
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A.2.6 QueueSender Java Message Serv
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} throws JMSException; public Conne
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Appendix B. Message Headers Java Me
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Java Message Service are delivered
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Java Message Service JMSTimestamp P
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UTC Java Message Service UTC (Unive
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Java Message Service JMSReplyTo Pur
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Java Message Service JMSType Purpos
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} public void setByteProperty(Strin
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Java Message Service Each of the ac
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JMSXAppID Java Message Service This
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Appendix D. Message Selectors Java
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The BETWEEN operator can be used to
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D.5 Declaring a Message Selector Ja
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Colophon Java Message Service Our l
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