CheckpointAtEndOfMethodNode.java

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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.CheckpointAtEndOfMethodDescriptor;
import org.w3c.dom.Node;

/**
 * This node handles the checkpoint-at-end-of-method runtime deployment descriptors 
 *
 */
public class CheckpointAtEndOfMethodNode extends DeploymentDescriptorNode<CheckpointAtEndOfMethodDescriptor> {

    private CheckpointAtEndOfMethodDescriptor descriptor;

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

    @Override
    public CheckpointAtEndOfMethodDescriptor getDescriptor() {
        if (descriptor==null) {
            descriptor = new CheckpointAtEndOfMethodDescriptor();
            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, 
        CheckpointAtEndOfMethodDescriptor checkpointMethodDescriptor) {
        Node checkpointMethodNode = super.writeDescriptor(parent, nodeName, 
            checkpointMethodDescriptor);
        ArrayList methodDescs = checkpointMethodDescriptor.getConvertedMethodDescs();
        if (!methodDescs.isEmpty()) {
            MethodNode methodNode = new MethodNode();
            for (Iterator<MethodDescriptor> it = methodDescs.iterator(); it.hasNext();) {
                // do not write out ejb-name element for the method
                methodNode.writeDescriptor(checkpointMethodNode, 
                    RuntimeTagNames.METHOD, it.next(), null);
            }
        }
        return checkpointMethodNode;
    }
}