[CONF] OpenEJB: Ejb Injection Example (page edited)

[confluence]

Page Edited : OPENEJB : Ejb Injection Example Ejb Injection Example has been edited by David Blevins (Jan 09, 2007). (View changes) Content: Overview An error occurred: http://svn.apache.org/repos/asf/incubator/openejb/trunk/openejb3/examples/ejb-injection/README.txt. The system administrator has been notified. The Code In this example we develop two simple session stateless beans (DataReader and DataStore), and show how we can use the @EJB annotation in one of these beans to get the reference to the other session bean DataStore session bean Local business interface Remote business interface Bean DataReader session bean Local business interface Bean (The remote business interface is not shown for the sake of brevity). @Local annotation You can use the @EJB annotation to refer a session bean in other components specified by the Java EE platform, for instance: Servlets ServletContextListeners Servlet Filters JSF managed beans EJB interceptors JAX-WS service endpoints Writing a unit test for the example Writing an unit test for this example is quite simple. We need just to write a setup method to create and initialize the InitialContext, and then write our test methods setUp Test Running Running the example is fairly simple, just run: $ cd ejb-injection $ mvn clean install Which should create output like the following. ------------------------------------------------------- T E S T S ------------------------------------------------------- [surefire] Running org.apache.openejb.examples.injection.EjbDependencyTest log4j:WARN No appenders could be found for logger (OpenEJB). log4j:WARN Please initialize the log4j system properly. Apache OpenEJB 3.0-incubating-SNAPSHOT build: 20070105-12:45 http://incubator.apache.org/openejb OpenEJB ready. [surefire] Tests run: 2, Failures: 0, Errors: 0, Time elapsed: 2.006 sec [INFO] [jar:jar] [INFO] Building jar: openejb3/examples/ejb-injection/target/ejb-injection-sample-1.0-SNAPSHOT.jar [INFO] [install:install] [INFO] Installing openejb3/examples/ejb-injection/target/ejb-injection-sample-1.0-SNAPSHOT.jar to /.m2/repository/org/apache/openejb/ejb-injection-sample/1.0-SNAPSHOT/ejb-injection-sample-1.0-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESSFUL [INFO] ------------------------------------------------------------------------

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