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| <h1>@ApplicationException annotation |
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| |
| <h1>Declaring an @ApplicationException</h1> |
| |
| <pre><code>import javax.ejb.ApplicationException; |
| |
| /** |
| * @version $Rev: 784112 $ $Date: 2009-06-12 06:23:57 -0700 (Fri, 12 Jun 2009) $ |
| */ |
| @ApplicationException(rollback = true) |
| public abstract class BusinessException extends RuntimeException { |
| } |
| </code></pre> |
| |
| <p>By default, @ApplicationException is inherited</p> |
| |
| <pre><code>public class ValueRequiredException extends BusinessException { |
| } |
| </code></pre> |
| |
| <h1>In the bean code</h1> |
| |
| <pre><code>@Stateless |
| public class ThrowBusinessExceptionImpl implements ThrowBusinessException { |
| |
| public void throwValueRequiredException() throws BusinessException { |
| throw new ValueRequiredException(); |
| } |
| |
| } |
| </code></pre> |
| |
| <p>Normally throwing a <code>RuntimeException</code> would cause the container to both rollback the transaction and destroy the bean instance that threw the exception.</p> |
| |
| <p>As <code>BusinessException</code> has been annotated <code>@ApplicationException(rollback = true)</code> only the transaction rollback will occur and the bean will not get destroyed.</p> |
| |
| <h1>The TestCase</h1> |
| |
| <pre><code>import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import javax.naming.Context; |
| import javax.naming.InitialContext; |
| import java.util.Properties; |
| |
| public class ThrowBusinessExceptionImplTest { |
| |
| private InitialContext initialContext; |
| |
| @Before |
| public void setUp() throws Exception { |
| Properties properties = new Properties(); |
| properties.setProperty(Context.INITIAL_CONTEXT_FACTORY, "org.apache.openejb.core.LocalInitialContextFactory"); |
| |
| initialContext = new InitialContext(properties); |
| } |
| |
| @Test(expected = ValueRequiredException.class) |
| public void testCounterViaRemoteInterface() throws Exception { |
| Object object = initialContext.lookup("ThrowBusinessExceptionImplRemote"); |
| |
| Assert.assertNotNull(object); |
| Assert.assertTrue(object instanceof ThrowBusinessException); |
| ThrowBusinessException bean = (ThrowBusinessException) object; |
| bean.throwValueRequiredException(); |
| } |
| } |
| </code></pre> |
| |
| <h1>Running</h1> |
| |
| <pre><code>------------------------------------------------------- |
| T E S T S |
| ------------------------------------------------------- |
| Running org.superbiz.appexception.ThrowBusinessExceptionImplTest |
| Apache OpenEJB 4.0.0-beta-1 build: 20111002-04:06 |
| http://openejb.apache.org/ |
| INFO - openejb.home = /Users/dblevins/examples/applicationexception |
| INFO - openejb.base = /Users/dblevins/examples/applicationexception |
| 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 - Found EjbModule in classpath: /Users/dblevins/examples/applicationexception/target/classes |
| INFO - Beginning load: /Users/dblevins/examples/applicationexception/target/classes |
| INFO - Configuring enterprise application: /Users/dblevins/examples/applicationexception/classpath.ear |
| INFO - Configuring Service(id=Default Stateless Container, type=Container, provider-id=Default Stateless Container) |
| INFO - Auto-creating a container for bean ThrowBusinessExceptionImpl: Container(type=STATELESS, id=Default Stateless Container) |
| INFO - Enterprise application "/Users/dblevins/examples/applicationexception/classpath.ear" loaded. |
| INFO - Assembling app: /Users/dblevins/examples/applicationexception/classpath.ear |
| INFO - Jndi(name=ThrowBusinessExceptionImplRemote) --> Ejb(deployment-id=ThrowBusinessExceptionImpl) |
| INFO - Jndi(name=global/classpath.ear/applicationexception/ThrowBusinessExceptionImpl!org.superbiz.appexception.ThrowBusinessException) --> Ejb(deployment-id=ThrowBusinessExceptionImpl) |
| INFO - Jndi(name=global/classpath.ear/applicationexception/ThrowBusinessExceptionImpl) --> Ejb(deployment-id=ThrowBusinessExceptionImpl) |
| INFO - Created Ejb(deployment-id=ThrowBusinessExceptionImpl, ejb-name=ThrowBusinessExceptionImpl, container=Default Stateless Container) |
| INFO - Started Ejb(deployment-id=ThrowBusinessExceptionImpl, ejb-name=ThrowBusinessExceptionImpl, container=Default Stateless Container) |
| INFO - Deployed Application(path=/Users/dblevins/examples/applicationexception/classpath.ear) |
| Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.434 sec |
| |
| Results : |
| |
| Tests run: 1, Failures: 0, Errors: 0, Skipped: 0 |
| </code></pre> |
| |
| |
| <div class="page-header"> </div> |
| <h4>APIs Used</h4> |
| <ul><li><a href="http://docs.oracle.com/javaee/6/api/javax/ejb/ApplicationException.html">javax.ejb.ApplicationException</a></li> |
| <li><a href="http://docs.oracle.com/javaee/6/api/javax/ejb/Remote.html">javax.ejb.Remote</a></li> |
| <li><a href="http://docs.oracle.com/javaee/6/api/javax/ejb/Stateless.html">javax.ejb.Stateless</a></li> |
| <li><a href="http://docs.oracle.com/javaee/6/api/javax/naming/Context.html">javax.naming.Context</a></li> |
| <li><a href="http://docs.oracle.com/javaee/6/api/javax/naming/InitialContext.html">javax.naming.InitialContext</a></li> |
| </ul> |
| |
| <h3>Source</h3> |
| <ul> |
| <li>Apache <a href="http://svn.apache.org/repos/asf/tomee/tomee//examples/applicationexception">applicationexception</a></li> |
| <li>Github <a href="https://github.com/apache/tomee/tree//examples/applicationexception">applicationexception</a></li> |
| </ul> |
| <pre> |
| svn co http://svn.apache.org/repos/asf/tomee/tomee//examples/applicationexception |
| cd applicationexception |
| mvn clean install |
| </pre> |
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