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Eduardo García ([email protected]) Index: trunk/content/examples-trunk/jpa-eclipselink/README.md =================================================================== --- trunk/content/examples-trunk/jpa-eclipselink/README.md (revision 1372678) +++ trunk/content/examples-trunk/jpa-eclipselink/README.md (working copy) @@ -1,9 +1,11 @@ Title: JPA Eclipselink -*Help us document this example! Click the blue pencil icon in the upper right to edit this page.* +This example shows how to configure `persistence.xml` to work with Eclipselink. It uses an `@Entity` class and a `@Stateful` bean to add and delete entities from a database. -## Movie +## Creating the JPA Entity +The entity itself is simply a pojo annotated with `@Entity`. We create one pojo called `Movie` which we can use to hold movie records. + package org.superbiz.eclipselink; import javax.persistence.Entity; @@ -57,8 +59,12 @@ } -## Movies +## Database Operations +This is the bean responsible for database operations; it allows us to persist or delete entities. +For more information we recommend you to see http://openejb.apache.org/examples-trunk/injection-of-entitymanager/README.html + + package org.superbiz.eclipselink; import javax.ejb.Stateful; @@ -88,8 +94,12 @@ } } -## persistence.xml +## Persistence.xml with EclipseLink configuration +This operation is too easy, just set the `provider` to `org.eclipse.persistence.jpa.PersistenceProvider` and add additional properties to the persistence unit. +The example has followed a strategy that allows the creation of tables in a HSQL database. +For a complete list of persistence unit properties see, http://www.eclipse.org/eclipselink/api/2.4/org/eclipse/persistence/config/PersistenceUnitProperties.html + <persistence version="1.0" xmlns="http://java.sun.com/xml/ns/persistence"; xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; @@ -109,6 +119,8 @@ ## MoviesTest +Testing JPA is quite easy, we can simply use the `EJBContainer` API to create a container in our test case. + package org.superbiz.eclipselink; import junit.framework.TestCase; @@ -150,7 +162,8 @@ # Running - +When we run our test case we should see output similar to the following. + ------------------------------------------------------- T E S T S -------------------------------------------------------
