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 *
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 *
 * The contents of this file are subject to the terms of either the GNU
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
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package org.glassfish.ejb.deployment.node.runtime;

import java.util.ArrayList;
import java.util.Iterator;

import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.MethodDescriptor;
import com.sun.enterprise.deployment.node.DeploymentDescriptorNode;
import com.sun.enterprise.deployment.node.MethodNode;
import com.sun.enterprise.deployment.node.XMLElement;
import com.sun.enterprise.deployment.xml.RuntimeTagNames;
import org.glassfish.ejb.deployment.descriptor.runtime.FlushAtEndOfMethodDescriptor;
import org.w3c.dom.Node;

/**
 * This node handles the flush-at-end-of-method runtime deployment descriptors 
 *
 */
public class FlushAtEndOfMethodNode extends DeploymentDescriptorNode {

    private FlushAtEndOfMethodDescriptor descriptor;

    public FlushAtEndOfMethodNode() {
        registerElementHandler(new XMLElement(RuntimeTagNames.METHOD), MethodNode.class);   
    }

    @Override
    public FlushAtEndOfMethodDescriptor getDescriptor() {
        if (descriptor==null) {
            descriptor = new FlushAtEndOfMethodDescriptor();
            Object parentDesc = getParentNode().getDescriptor();
            if (parentDesc instanceof EjbDescriptor) {
                descriptor.setEjbDescriptor((EjbDescriptor)parentDesc);
            }
        }
        return descriptor;
    }

    @Override
    public void addDescriptor(Object newDescriptor) {
        if (newDescriptor instanceof MethodDescriptor) {
            descriptor.addMethodDescriptor(
                (MethodDescriptor) newDescriptor);
        }
    }

    @Override
    public Node writeDescriptor(Node parent, String nodeName, 
        FlushAtEndOfMethodDescriptor flushMethodDescriptor) {    
	Node flushMethodNode = super.writeDescriptor(parent, nodeName, 
            flushMethodDescriptor);
        ArrayList methodDescs = flushMethodDescriptor.getConvertedMethodDescs();
        if (!methodDescs.isEmpty()) {
            MethodNode methodNode = new MethodNode();
            for (Iterator methodIterator = methodDescs.iterator();
                methodIterator.hasNext();) {
                MethodDescriptor methodDesc = 
                    (MethodDescriptor) methodIterator.next();
                // do not write out ejb-name element for the method
                methodNode.writeDescriptor(flushMethodNode, 
                    RuntimeTagNames.METHOD, methodDesc, null);
            }
        }

        return flushMethodNode;
    }
}