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package com.sun.enterprise.deployment.node.runtime;
import java.util.ArrayList;
import java.util.Iterator;
import org.w3c.dom.Node;
import com.sun.enterprise.deployment.node.XMLElement;
import com.sun.enterprise.deployment.node.DeploymentDescriptorNode;
import com.sun.enterprise.deployment.node.MethodNode;
import com.sun.enterprise.deployment.runtime.PrefetchDisabledDescriptor;
import com.sun.enterprise.deployment.MethodDescriptor;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.xml.RuntimeTagNames;
/**
* This node handles the prefetch-disabled runtime deployment descriptors
*
*/
public class PrefetchDisabledNode extends DeploymentDescriptorNode {
protected PrefetchDisabledDescriptor descriptor=null;
/** Creates new PrefetchDisabledNode */
public PrefetchDisabledNode() {
registerElementHandler(new XMLElement(RuntimeTagNames.QUERY_METHOD), MethodNode.class);
}
/**
* @return the descriptor instance to associate with this XMLNode
*/
public Object getDescriptor() {
if (descriptor==null) {
descriptor = new PrefetchDisabledDescriptor();
Object parentDesc = getParentNode().getDescriptor();
if (parentDesc instanceof EjbDescriptor) {
descriptor.setEjbDescriptor((EjbDescriptor)parentDesc);
}
}
return descriptor;
}
/**
* Adds a new DOL descriptor instance to the descriptor instance associated
* with this XMLNode
*
* @param descriptor the new descriptor
*/
public void addDescriptor(Object newDescriptor) {
if (newDescriptor instanceof MethodDescriptor) {
descriptor.addMethodDescriptor(
(MethodDescriptor) newDescriptor);
}
}
/**
* write the descriptor class to a DOM tree and return it
*
* @param parent node for the DOM tree
* @param node name for the descriptor
* @param the descriptor to write
* @return the DOM tree top node
*/
public Node writeDescriptor(Node parent, String nodeName,
PrefetchDisabledDescriptor prefetchDisabledDescriptor) {
Node prefetchDisabledNode = super.writeDescriptor(parent, nodeName,
prefetchDisabledDescriptor);
ArrayList methodDescs =
prefetchDisabledDescriptor.getConvertedMethodDescs();
if (!methodDescs.isEmpty()) {
MethodNode methodNode = new MethodNode();
for (Iterator methodIterator = methodDescs.iterator();
methodIterator.hasNext();) {
MethodDescriptor methodDesc =
(MethodDescriptor) methodIterator.next();
methodNode.writeQueryMethodDescriptor(prefetchDisabledNode,
RuntimeTagNames.QUERY_METHOD, methodDesc);
}
}
return prefetchDisabledNode;
}
}