THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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h1. Overview
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<object width="400" height="250"><param name="movie" value="http://www.youtube.com/v/s4uiIoAehgQ?fs=1&hl=en_US&rel=0"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/s4uiIoAehgQ?fs=1&hl=en_US&rel=0" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="400" height="250"></embed></object>
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Shows use of *@PersistenceContext* to have an *EntityManager* with an *EXTENDED* persistence context injected into a @Stateful bean. An EJB 3 *@Entity* bean is used with the EntityManager to create, persist and merge data to a database.
If you need to use a TRANSACTION persistence context, see [this example|Testing Transactions Example].
_The source for this example is in the |
Overview
Shows use of @PersistenceContext to have an EntityManager with an EXTENDED persistence context injected into a @Stateful bean. An EJB 3 @Entity bean is used with the EntityManager to create, persist and merge data to a database.
If you need to use a TRANSACTION persistence context, see this example.
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"injection-of-entitymanager" directory located in the [openejb-examples.zip|OPENEJB:Download] available on the download page. |
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The Code
The Stateful bean
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_ {div} {div:style=clear:both;}{div} h1. The Code h2. The Stateful bean {snippet:id=code|url=openejb3/examples/injection-of-entitymanager/src/main/java/org/superbiz/injection/jpa/MoviesImpl.java|lang=java} h2. The Entity |
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bean {snippet:id=code|url=openejb3/examples/injection-of-entitymanager/src/main/java/org/superbiz/injection/jpa/Movie.java|lang=java} h2. The persistence |
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unit {snippet:id=code|url=openejb3/examples/injection-of-entitymanager/src/main/resources/META-INF/persistence.xml|lang=xml} h1. Writing a unit test for the |
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example {snippet:id=code|url=openejb3/examples/injection-of-entitymanager/src/test/java/org/superbiz/injection/jpa/MoviesTest.java|lang=java} Curious on the InitialContext parameters used? See the [Injection of DataSource Example] for an explanation of how any Resource can be configured via properties in the TestCase itself or via an openejb.xml file |
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Running
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. h1. Running Running the example is fairly simple. In the "injection-of-entitymanager" directory of the [examples zip|OPENEJB:Download], just run: |
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$ mvn clean install |
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Which should create output like the following. |
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} ------------------------------------------------------- T E S T S ------------------------------------------------------- Running org.superbiz.injection.jpa.MoviesTest Apache OpenEJB 3.0 build: 20080408-04:13 http://openejb.apache.org/ INFO - openejb.home = /Users/dblevins/work/openejb-3.0/examples/injection-of-entitymanager INFO - openejb.base = /Users/dblevins/work/openejb-3.0/examples/injection-of-entitymanager INFO - Configuring Service(id=Default Security Service, type=SecurityService, provider-id=Default Security Service) INFO - Configuring Service(id=Default Transaction Manager, type=TransactionManager, provider-id=Default Transaction Manager) INFO - Configuring Service(id=movieDatabaseUnmanaged, type=Resource, provider-id=Default JDBC Database) INFO - Configuring Service(id=movieDatabase, type=Resource, provider-id=Default JDBC Database) INFO - Configuring Service(id=Default JDK 1.3 ProxyFactory, type=ProxyFactory, provider-id=Default JDK 1.3 ProxyFactory) INFO - Found EjbModule in classpath: /Users/dblevins/work/openejb-3.0/examples/injection-of-entitymanager/target/classes INFO - Configuring app: /Users/dblevins/work/openejb-3.0/examples/injection-of-entitymanager/target/classes INFO - Configuring Service(id=Default Stateful Container, type=Container, provider-id=Default Stateful Container) INFO - Auto-creating a container for bean Movies: Container(type=STATEFUL, id=Default Stateful Container) INFO - Configuring PersistenceUnit(name=movie-unit) INFO - Loaded Module: /Users/dblevins/work/openejb-3.0/examples/injection-of-entitymanager/target/classes INFO - Assembling app: /Users/dblevins/work/openejb-3.0/examples/injection-of-entitymanager/target/classes INFO - PersistenceUnit(name=movie-unit, provider=org.apache.openjpa.persistence.PersistenceProviderImpl) ERROR - JAVA AGENT NOT INSTALLED. The JPA Persistence Provider requested installation of a ClassFileTransformer which requires a JavaAgent. See http://openejb.apache.org/3.0/javaagent.html INFO - Jndi(name=MoviesLocal) --> Ejb(deployment-id=Movies) INFO - Created Ejb(deployment-id=Movies, ejb-name=Movies, container=Default Stateful Container) INFO - Deployed Application(path=/Users/dblevins/work/openejb-3.0/examples/injection-of-entitymanager/target/classes) Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.095 sec Results : Tests run: 1, Failures: 0, Errors: 0, Skipped: 0 {noformat} |