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In this chapter, we cover the basics of setting up and deploying an application using Fabric3. Subsequent chapters will cover developing loosely-coupled services, runtime configuration and topics such as integration with Java Persistence Architecture (JPA).
This manual assumes a basic understanding of SCA concepts. Before proceeding, if you have not done so, we recommend familiarizing yourself with SCA. The specifications themselves (downloadable from {+}http://www.oasis-opencsa.org/+) are generally not the most accessible source of introductory information. We recommend instead the paper by David Chappell, "Introducing SCA" ({+}http://www.davidchappell.com/articles/Introducing_SCA.pdf+), which presents a balanced and accurate overview of SCA. Alternatively, Jim Marino and Michael Rowley, Understanding SCA (Addison-Wesley) provides an in-depth treatment including Fabric3.

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Choosing a Runtime

Fabric3 is designed to run in a variety of environments and provide application portability between them. This is important for flexibility when deploying into different production environments but also essential for effective iterative development. Fabric3 supports running applications out-of-container, in an integration test environment, or in a managed environment such as a JEE application server with minor configuration changes. This provides an efficient and automated mechanism for conducting local testing, integration testing, and production deployment. The following are brief descriptions of the available Fabric3 runtimes:

• The Standalone Server: Fabric3 includes a server that can be run in a single VM or in a distributed environment with multiple runtime clusters. 

• The Fabric3 Tomcat Runtime: This runtime is hosted in a Tomcat server. The Fabric3 Tomcat Runtime is integrated with Tomcat facilities including JMX and logging. This runtime provides additional services including support for service clustering, JTA transactions, and datasource pooling.

• The Fabric3 WebLogic Runtime: This runtime is hosted in a WebLogic server. The Fabric3 WebLogic Runtime is integrated with WebLogic facilities including clustering, transactions, datasources, JMX and logging.

• The iTest Runtime: The iTest runtime allows applications to be tested as part of a Maven project build. Fabric3 provides facilities for writing automated tests and mock services that can used to verify a complete application or individual subsystems in an automated fashion.

• The Ant Runtime: The Ant runtime allows applications to be tested as part of a Ant project build. Similar to the Maven runtime, this distribution provides facilities for writing automated tests and mock services that can used to verify a complete application or individual subsystems in an automated fashion.
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Runtime Layout

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