By Bruce Snyder, Dejan Bosanac, Rob Davies
Applications in firms have to converse, most typically performed via messaging. Apache ActiveMQ is an open-source implementation of the Java Message carrier (JMS), which gives messaging in Java applications.
ActiveMQ in Action is a radical, sensible consultant to enforcing message-oriented structures utilizing ActiveMQ and Java. Co-authored via one of many top ActiveMQ builders, Bruce Snyder, the booklet begins with the anatomy of a middle Java message, then strikes speedy via basics together with information endurance, authentication and authorization. Later chapters conceal complicated gains corresponding to configuration and function tuning, illustrating each one notion with a operating real-world inventory portfolio application.
Readers will discover ways to combine ActiveMQ with Apache Geronimo and JBoss, and tie into either Java and non-Java applied sciences together with AJAX, .NET, C++, Ruby, and the Spring framework.
buy of the print publication comes with a proposal of a unfastened PDF, ePub, and Kindle booklet from Manning. additionally on hand is all code from the book.
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Additional info for ActiveMQ in Action
In other words, if the JMS provider fails, the message won’t be lost and won’t be delivered more than once. Persistent messages incur more overhead due to the need to store the message, and value reliability over performance. * Nonpersistent—Instructs the JMS provider not to persist the message. A JMS provider must deliver a nonpersistent message at most once. In other words, if the JMS provider fails, the message may be lost, but it won’t be delivered twice. Nonpersistent messages incur less overhead and value performance over reliability.
3 The JMS provider The JMS provider is the vendor-specific MOM that implements the JMS API. Such an implementation provides access to the MOM via the standardized JMS API (remember the analogy to JDBC). 4 The JMS message The JMS message is the most important concept in the JMS specification. Every concept in the JMS spec is built around handling a JMS message because it’s how business data and events are transmitted. A JMS message allows anything to be sent as part of the message, including text and binary data as well as information in the headers.
Once you have the Java SE installed, you’ll need to test that it is set up correctly. To do this, open a terminal or command line and enter the command shown in the following listing. 3-b01-279, mixed mode) Your output may be slightly different depending on the operating system you’re using, but the important part is that there’s output from the Java SE. 6 is being used. If you don’t see similar output, then you’ll need to rectify this situation before moving on to the next section. Downloading and Installing Ant Ant will be used to build and run the examples that ship with ActiveMQ.
ActiveMQ in Action by Bruce Snyder, Dejan Bosanac, Rob Davies