Package org.jboss.as.ejb3.component

Source Code of org.jboss.as.ejb3.component.EjbComponentInstance

/*
* JBoss, Home of Professional Open Source
* 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
* 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;

import java.lang.reflect.Method;
import java.util.Map;
import java.util.concurrent.atomic.AtomicReference;

import javax.ejb.Timer;

import org.jboss.as.ee.component.BasicComponent;
import org.jboss.as.ee.component.BasicComponentInstance;
import org.jboss.as.ejb3.context.EJBContextImpl;
import org.jboss.as.naming.ManagedReference;
import org.jboss.invocation.Interceptor;
import org.jboss.invocation.InterceptorContext;
import static org.jboss.as.ejb3.EjbMessages.MESSAGES;
/**
* @author Stuart Douglas
*/
public abstract class EjbComponentInstance extends BasicComponentInstance {


    private final Map<Method, Interceptor> timeoutInterceptors;

    private static final Object[] EMPTY_OBJECT_ARRAY = {};
    /**
     * Construct a new instance.
     *
     * @param component the component
     */
    protected EjbComponentInstance(final BasicComponent component, final AtomicReference<ManagedReference> instanceReference, final Interceptor preDestroyInterceptor, final Map<Method, Interceptor> methodInterceptors, final Map<Method, Interceptor> timeoutInterceptors) {
        super(component, instanceReference, preDestroyInterceptor, methodInterceptors);
        this.timeoutInterceptors = timeoutInterceptors;
    }


    public void invokeTimeoutMethod(final Method method, final Timer timer) {
        final Interceptor interceptor = timeoutInterceptors.get(method);
        if (interceptor == null) {
            throw MESSAGES.failToCallTimeOutMethod(method);
        }
        try {
            InterceptorContext context = prepareInterceptorContext();
            context.putPrivateData(MethodIntf.class, MethodIntf.TIMER);
            context.setMethod(method);
            context.setTimer(timer);
            context.setTarget(getInstance());
            final Object[] params;
            if (method.getParameterTypes().length == 1) {
                params = new Object[1];
                params[0] = timer;
            } else {
                params = EMPTY_OBJECT_ARRAY;
            }
            context.setParameters(params);
            interceptor.processInvocation(context);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    public void invokeTimeoutMethod(final Timer timer) {
        final EJBComponent component = (EJBComponent) getComponent();
        final Method method = component.getTimeoutMethod();
        if (method == null) {
            throw MESSAGES.componentTimeoutMethodNotSet(component.getComponentName());
        }
        invokeTimeoutMethod(method, timer);
    }

    @Override
    public EJBComponent getComponent() {
        return (EJBComponent) super.getComponent();
    }

    public abstract EJBContextImpl getEjbContext();
}
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