This book is intended for developers that are unfamiliar with messaging and JMS. It describes the basic concepts involved in building messaging applications with JMS. It then walks you through running and deploying a number of basic application samples.
The included samples can be deconstructed to further explore the JMS APIs.
The book is broken into three sections:
Concepts in JMS Messaging describes the basic concepts used when developing JMS applications.
Setting Up the Guided Tour through Queue Test Loop Sample are samples that demonstrate the basic JMS concepts.
Changing Parameters and Modifying Source Code describes different ways you can modify the samples to further explore JMS.
In these samples, the standard input and standard output displayed in the console represents data flows to and from applications and Internet-enabled devices such as:
Application software for accounting, auditing, reservations, online ordering, credit verification, medical records, and supply chains
Real-time devices with embedded controls such as monitor cameras, cell phones, medical delivery systems, and climate control systems, and machinery
Distributed knowledge bases such as collaborative designs, service histories, medical histories, and workflow monitors
The samples demonstrate the basic JMS features, as follows:
publish and subscribe messaging—Messages are published to a destination and multiple consumers can subscribe to receive the messages.
point-to-point messaging—Messages are published to a destination and a single consumer can receive the message.
request and reply—The initiator of the transaction expects a reply to its message.
test loop—This sample shows how quickly messages can be sent and received in a test loop.
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