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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.
*
* 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
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package org.jboss.as.ejb3.component.entity.interceptors;
import java.lang.reflect.Method;
import org.jboss.as.ee.component.Component;
import org.jboss.as.ee.component.ComponentInstance;
import org.jboss.as.ee.component.interceptors.InvocationType;
import org.jboss.as.ejb3.component.entity.EntityBeanComponent;
import org.jboss.as.ejb3.component.entity.EntityBeanComponentInstance;
import org.jboss.invocation.Interceptor;
import org.jboss.invocation.InterceptorContext;
import org.jboss.invocation.InterceptorFactory;
import org.jboss.invocation.InterceptorFactoryContext;
/**
* Interceptor that hooks up home business methods for entity beans
* <p/>
* This is a view level interceptor that should be attached to business methods on the home interface.
*
* @author Stuart Douglas
*/
public class EntityBeanHomeMethodInterceptorFactory implements InterceptorFactory {
private final Method businessMethod;
public EntityBeanHomeMethodInterceptorFactory(final Method businessMethod) {
this.businessMethod = businessMethod;
}
@Override
public Interceptor create(final InterceptorFactoryContext context) {
final EntityBeanComponent component = (EntityBeanComponent) context.getContextData().get(Component.class);
return new Interceptor() {
@Override
public Object processInvocation(final InterceptorContext context) throws Exception {
//grab a bean from the pool to invoke the business method on
final EntityBeanComponentInstance instance = component.acquireUnAssociatedInstance();
final Object result;
final InvocationType invocationType = context.getPrivateData(InvocationType.class);
try {
context.putPrivateData(InvocationType.class, InvocationType.HOME_METHOD);
//forward the invocation to the component interceptor chain
Method oldMethod = context.getMethod();
try {
context.putPrivateData(ComponentInstance.class, instance);
context.setMethod(businessMethod);
context.setTarget(instance.getInstance());
return instance.getInterceptor(businessMethod).processInvocation(context);
} finally {
context.setMethod(oldMethod);
context.setTarget(null);
context.putPrivateData(ComponentInstance.class, null);
}
} finally {
context.putPrivateData(InvocationType.class, invocationType);
component.releaseEntityBeanInstance(instance);
}
}
};
}
}