com.sun.enterprise.deployment.node.ejb.EjbEntityNode Maven / Gradle / Ivy
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package com.sun.enterprise.deployment.node.ejb;
import com.sun.enterprise.deployment.*;
import com.sun.enterprise.deployment.node.DescriptorFactory;
import com.sun.enterprise.deployment.node.XMLElement;
import com.sun.enterprise.deployment.xml.EjbTagNames;
import org.w3c.dom.Node;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
/**
* This class handles all information pertinent to CMP and BMP entity beans
*
* @author Jerome Dochez
* @version
*/
public class EjbEntityNode extends InterfaceBasedEjbNode {
private EjbEntityDescriptor descriptor;
/** Creates new EjbSessionNode */
public EjbEntityNode() {
super();
registerElementHandler(new XMLElement(EjbTagNames.CMP_FIELD), CmpFieldNode.class);
registerElementHandler(new XMLElement(EjbTagNames.QUERY), QueryNode.class);
}
/**
* @return the descriptor instance to associate with this XMLNode
*/
public EjbDescriptor getEjbDescriptor() {
if (descriptor==null) {
descriptor = (EjbEntityDescriptor) DescriptorFactory.getDescriptor(getXMLPath());
descriptor.setEjbBundleDescriptor((EjbBundleDescriptor) getParentNode().getDescriptor());
}
return descriptor;
}
/**
* @return an instance of an EjbCMPEntityDescriptor initialized with all the
* fields already parsed.
*/
private EjbCMPEntityDescriptor getCMPEntityDescriptor() {
EjbDescriptor current = getEjbDescriptor();
if (!(current instanceof EjbCMPEntityDescriptor)) {
descriptor = new IASEjbCMPEntityDescriptor(current);
}
return (EjbCMPEntityDescriptor) 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 FieldDescriptor) {
getCMPEntityDescriptor().getPersistenceDescriptor().addCMPField((FieldDescriptor) newDescriptor);
} else if (newDescriptor instanceof QueryDescriptor) {
QueryDescriptor newQuery = (QueryDescriptor) newDescriptor;
getCMPEntityDescriptor().getPersistenceDescriptor().setQueryFor(
newQuery.getQueryMethodDescriptor(), newQuery);
} else {
super.addDescriptor(newDescriptor);
}
}
/**
* all sub-implementation of this class can use a dispatch table to map xml element to
* method name on the descriptor class for setting the element value.
*
* @return the map with the element name as a key, the setter method as a value
*/
protected Map getDispatchTable() {
// no need to be synchronized for now
Map table = super.getDispatchTable();
table.put(EjbTagNames.PERSISTENCE_TYPE, "setPersistenceType");
table.put(EjbTagNames.PRIMARY_KEY_CLASS, "setPrimaryKeyClassName");
table.put(EjbTagNames.REENTRANT, "setReentrant");
return table;
}
/**
* receives notiification of the value for a particular tag
*
* @param element the xml element
* @param value it's associated value
*/
public void setElementValue(XMLElement element, String value) {
if (EjbTagNames.CMP_VERSION.equals(element.getQName())) {
if (EjbTagNames.CMP_1_VERSION.equals(value)) {
getCMPEntityDescriptor().setCMPVersion(EjbCMPEntityDescriptor.CMP_1_1);
} else if (EjbTagNames.CMP_2_VERSION.equals(value)) {
getCMPEntityDescriptor().setCMPVersion(EjbCMPEntityDescriptor.CMP_2_x);
}
} else if (EjbTagNames.ABSTRACT_SCHEMA_NAME.equals(element.getQName())) {
getCMPEntityDescriptor().setAbstractSchemaName(value);
} else if (EjbTagNames.PRIMARY_KEY_FIELD.equals(element.getQName())) {
getCMPEntityDescriptor().setPrimaryKeyFieldDesc(new FieldDescriptor(value));
} else {
super.setElementValue(element, value);
}
}
/**
* write the descriptor class to a DOM tree and return it
*
* @param parent node for the DOM tree
* @param node name for the root element of this xml fragment
* @param the descriptor to write
* @return the DOM tree top node
*/
public Node writeDescriptor(Node parent, String nodeName, Descriptor descriptor) {
if (! (descriptor instanceof EjbEntityDescriptor)) {
throw new IllegalArgumentException(getClass() + " cannot handles descriptors of type " + descriptor.getClass());
}
EjbEntityDescriptor ejbDesc = (EjbEntityDescriptor) descriptor;
Node ejbNode = super.writeDescriptor(parent, nodeName, descriptor);
writeDisplayableComponentInfo(ejbNode, descriptor);
writeCommonHeaderEjbDescriptor(ejbNode, ejbDesc);
appendTextChild(ejbNode, EjbTagNames.PERSISTENCE_TYPE, ejbDesc.getPersistenceType());
appendTextChild(ejbNode, EjbTagNames.PRIMARY_KEY_CLASS, ejbDesc.getPrimaryKeyClassName());
appendTextChild(ejbNode, EjbTagNames.REENTRANT, ejbDesc.getReentrant());
// cmp entity beans related tags
if (ejbDesc instanceof EjbCMPEntityDescriptor) {
EjbCMPEntityDescriptor cmpDesc = (EjbCMPEntityDescriptor) ejbDesc;
if (cmpDesc.getCMPVersion()==cmpDesc.CMP_1_1) {
appendTextChild(ejbNode, EjbTagNames.CMP_VERSION, EjbTagNames.CMP_1_VERSION);
} else {
appendTextChild(ejbNode, EjbTagNames.CMP_VERSION, EjbTagNames.CMP_2_VERSION);
}
appendTextChild(ejbNode, EjbTagNames.ABSTRACT_SCHEMA_NAME, cmpDesc.getAbstractSchemaName());
// cmp-field*
CmpFieldNode cmpNode = new CmpFieldNode();
for (Iterator fields = cmpDesc.getPersistenceDescriptor().getCMPFields().iterator();fields.hasNext();) {
FieldDescriptor aField = (FieldDescriptor) fields.next();
cmpNode.writeDescriptor(ejbNode, EjbTagNames.CMP_FIELD, aField);
}
if ( cmpDesc.getPrimaryKeyFieldDesc()!=null) {
appendTextChild(ejbNode, EjbTagNames.PRIMARY_KEY_FIELD, cmpDesc.getPrimaryKeyFieldDesc().getName());
}
}
// env-entry*
writeEnvEntryDescriptors(ejbNode, ejbDesc.getEnvironmentProperties().iterator());
// ejb-ref * and ejb-local-ref*
writeEjbReferenceDescriptors(ejbNode, ejbDesc.getEjbReferenceDescriptors().iterator());
// service-ref*
writeServiceReferenceDescriptors(ejbNode, ejbDesc.getServiceReferenceDescriptors().iterator());
// resource-ref*
writeResourceRefDescriptors(ejbNode, ejbDesc.getResourceReferenceDescriptors().iterator());
// resource-env-ref*
writeResourceEnvRefDescriptors(ejbNode, ejbDesc.getJmsDestinationReferenceDescriptors().iterator());
// message-destination-ref*
writeMessageDestinationRefDescriptors(ejbNode, ejbDesc.getMessageDestinationReferenceDescriptors().iterator());
// persistence-context-ref*
writeEntityManagerReferenceDescriptors(ejbNode, ejbDesc.getEntityManagerReferenceDescriptors().iterator());
// persistence-unit-ref*
writeEntityManagerFactoryReferenceDescriptors(ejbNode, ejbDesc.getEntityManagerFactoryReferenceDescriptors().iterator());
// post-construct
writePostConstructDescriptors(ejbNode, ejbDesc.getPostConstructDescriptors().iterator());
// pre-destroy
writePreDestroyDescriptors(ejbNode, ejbDesc.getPreDestroyDescriptors().iterator());
// datasource-definition*
writeDataSourceDefinitionDescriptors(ejbNode, ejbDesc.getDataSourceDefinitionDescriptors().iterator());
// security-role-ref*
writeRoleReferenceDescriptors(ejbNode, ejbDesc.getRoleReferences().iterator());
// security-identity
writeSecurityIdentityDescriptor(ejbNode, ejbDesc);
// query
if (ejbDesc instanceof EjbCMPEntityDescriptor) {
EjbCMPEntityDescriptor cmpDesc = (EjbCMPEntityDescriptor) ejbDesc;
Set queriedMethods = cmpDesc.getPersistenceDescriptor().getQueriedMethods();
if (queriedMethods.size()>0) {
QueryNode queryNode = new QueryNode();
for (Iterator e=queriedMethods.iterator();e.hasNext();) {
queryNode.writeDescriptor(ejbNode, EjbTagNames.QUERY,
cmpDesc.getPersistenceDescriptor().getQueryFor((MethodDescriptor) e.next()));
}
}
}
return ejbNode;
}
}
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