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* Copyright 2010, Red Hat Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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
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*
* This software is distributed in the hope that it will be useful,
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
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* License along with this software; if not, write to the Free
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package org.jboss.as.ejb3.component.entity.interceptors;
import java.lang.reflect.Method;
import java.util.HashMap;
import javax.ejb.CreateException;
import org.jboss.as.ee.component.ComponentView;
import org.jboss.as.naming.ManagedReference;
import org.jboss.invocation.Interceptor;
import org.jboss.invocation.InterceptorContext;
import org.jboss.invocation.InterceptorFactory;
import org.jboss.invocation.InterceptorFactoryContext;
import org.jboss.msc.value.InjectedValue;
/**
* Interceptor that hooks up create methods for Entity beans.
* <p/>
* This is a view level interceptor that should be attached to create methods on the home interface.
* <p/>
* It simply creates an instance of the object view, passing in the creation parameters. The object view post create
* interceptors are responsible for getting an instance and associating it with the identity.
*
* @author Stuart Douglas
*/
public class EntityBeanHomeCreateInterceptorFactory implements InterceptorFactory {
private final InjectedValue<ComponentView> viewToCreate = new InjectedValue<ComponentView>();
public static final Object EJB_CREATE_METHOD_KEY = new Object();
public static final Object EJB_POST_CREATE_METHOD_KEY = new Object();
public static final Object PARAMETERS_KEY = new Object();
private final Method ejbCreate;
private final Method ejbPostCreate;
public EntityBeanHomeCreateInterceptorFactory(final Method method, final Method ejbPostCreate) {
this.ejbCreate = method;
this.ejbPostCreate = ejbPostCreate;
}
@Override
public Interceptor create(final InterceptorFactoryContext context) {
return new Interceptor() {
@Override
public Object processInvocation(final InterceptorContext context) throws Exception {
final ComponentView view = viewToCreate.getValue();
final HashMap<Object, Object> ctx = new HashMap<Object, Object>();
ctx.put(EJB_CREATE_METHOD_KEY, ejbCreate);
ctx.put(EJB_POST_CREATE_METHOD_KEY, ejbPostCreate);
ctx.put(PARAMETERS_KEY, context.getParameters());
try {
final ManagedReference instance = view.createInstance(ctx);
return instance.getInstance();
} catch (RuntimeException e) {
//throw the correct exception type
Throwable cause = e.getCause();
if (cause instanceof CreateException) {
throw (CreateException) cause;
}
throw e;
}
}
};
}
public InjectedValue<ComponentView> getViewToCreate() {
return viewToCreate;
}
}