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* by the @authors tag. See the copyright.txt in the distribution for a
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*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.ejb3.component.interceptors;
import javax.ejb.EJBHome;
import javax.ejb.EJBObject;
import org.jboss.as.ee.component.ComponentView;
import org.jboss.ejb.client.EJBClient;
import org.jboss.ejb.client.EntityEJBMetaData;
import org.jboss.ejb.client.StatefulEJBMetaData;
import org.jboss.ejb.client.StatelessEJBMetaData;
import org.jboss.invocation.Interceptor;
import org.jboss.invocation.InterceptorContext;
import org.jboss.msc.value.InjectedValue;
/**
* Interceptor that handles the EJB metadata for non-IIOP invocations.
*
* @author Stuart Douglas
*/
public class EjbMetadataInterceptor implements Interceptor {
private final InjectedValue<ComponentView> homeView = new InjectedValue<ComponentView>();
private final Class<?> remoteClass;
private final Class<? extends EJBHome> homeClass;
private final Class<?> pkClass;
private final boolean session;
private final boolean stateless;
public EjbMetadataInterceptor(Class<?> remoteClass, Class<? extends EJBHome> homeClass, Class<?> pkClass, boolean session, boolean stateless) {
this.remoteClass = remoteClass;
this.homeClass = homeClass;
this.pkClass = pkClass;
this.session = session;
this.stateless = stateless;
}
@Override
public Object processInvocation(final InterceptorContext context) throws Exception {
final EJBHome home = (EJBHome) homeView.getValue().createInstance().getInstance();
if (session) {
if (stateless) {
return createStatelessMetaData(remoteClass.asSubclass(EJBObject.class), homeClass, home);
} else {
return createStatefulMetaData(remoteClass.asSubclass(EJBObject.class), homeClass, home);
}
} else {
return createEntityMetaData(remoteClass.asSubclass(EJBObject.class), homeClass, home, pkClass);
}
}
private static <T extends EJBObject, H extends EJBHome> StatelessEJBMetaData<T, ? extends H> createStatelessMetaData(Class<T> remoteClass, Class<H> homeClass, EJBHome home) {
return new StatelessEJBMetaData<>(remoteClass, EJBClient.getLocatorFor(home).<H>narrowAsHome(homeClass));
}
private static <T extends EJBObject, H extends EJBHome> StatefulEJBMetaData<T, ? extends H> createStatefulMetaData(Class<T> remoteClass, Class<H> homeClass, EJBHome home) {
return new StatefulEJBMetaData<>(remoteClass, EJBClient.getLocatorFor(home).<H>narrowAsHome(homeClass));
}
private static <T extends EJBObject, H extends EJBHome> EntityEJBMetaData<T, ? extends H> createEntityMetaData(Class<T> remoteClass, Class<H> homeClass, EJBHome home, Class<?> pkClass) {
return new EntityEJBMetaData<>(remoteClass, EJBClient.getLocatorFor(home).<H>narrowAsHome(homeClass), pkClass);
}
public InjectedValue<ComponentView> getHomeView() {
return homeView;
}
}