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/*******************************************************************************
* Copyright (c) 2008 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0, which accompanies this distribution
* and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Contributors:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.core.internal.resource.orm;
import java.util.ListIterator;
import org.eclipse.emf.common.util.BasicEList;
import org.eclipse.emf.common.util.EList;
import org.eclipse.jpt.core.internal.context.java.IJavaAttributeOverride;
import org.eclipse.jpt.core.internal.context.java.IJavaEmbeddedMapping;
import org.eclipse.jpt.core.internal.resource.common.JpaEObject;
/**
* VirtualEmbedded is an implementation of Embedded used when there is
* no tag in the orm.xml and an underlying javaEmbeddedMapping exists.
*/
public class VirtualEmbedded extends JpaEObject implements Embedded
{
IJavaEmbeddedMapping javaEmbeddedMapping;
protected boolean metadataComplete;
protected EList<AttributeOverride> virtualAttributeOverrides;
public VirtualEmbedded(IJavaEmbeddedMapping javaEmbeddedMapping, boolean metadataComplete) {
super();
this.javaEmbeddedMapping = javaEmbeddedMapping;
this.metadataComplete = metadataComplete;
this.initializeAttributeOverrides(javaEmbeddedMapping);
}
protected void initializeAttributeOverrides(IJavaEmbeddedMapping javaEmbeddedMapping) {
this.virtualAttributeOverrides = new BasicEList<AttributeOverride>();
ListIterator<IJavaAttributeOverride> javaAttributesOverrides;
if (this.metadataComplete) {
javaAttributesOverrides = this.javaEmbeddedMapping.defaultAttributeOverrides();
}
else {
javaAttributesOverrides = this.javaEmbeddedMapping.attributeOverrides();
}
while (javaAttributesOverrides.hasNext()) {
this.virtualAttributeOverrides.add(new VirtualAttributeOverride(javaAttributesOverrides.next(), this.metadataComplete));
}
}
public String getName() {
return this.javaEmbeddedMapping.persistentAttribute().getName();
}
public void setName(String newName) {
throw new UnsupportedOperationException("cannot set values on a virtual mapping");
}
public EList<AttributeOverride> getAttributeOverrides() {
return this.virtualAttributeOverrides;
}
public void update(IJavaEmbeddedMapping javaEmbeddedMapping) {
this.javaEmbeddedMapping = javaEmbeddedMapping;
this.updateAttributeOverrides(javaEmbeddedMapping);
}
protected void updateAttributeOverrides(IJavaEmbeddedMapping javaEmbeddedMapping) {
ListIterator<IJavaAttributeOverride> javaAttributesOverrides;
ListIterator<AttributeOverride> virtualAttributeOverrides = this.virtualAttributeOverrides.listIterator();
if (this.metadataComplete) {
javaAttributesOverrides = this.javaEmbeddedMapping.defaultAttributeOverrides();
}
else {
javaAttributesOverrides = this.javaEmbeddedMapping.attributeOverrides();
}
while (javaAttributesOverrides.hasNext()) {
IJavaAttributeOverride javaAttributeOverride = javaAttributesOverrides.next();
if (virtualAttributeOverrides.hasNext()) {
VirtualAttributeOverride virtualAttributeOverride = (VirtualAttributeOverride) virtualAttributeOverrides.next();
virtualAttributeOverride.update(javaAttributeOverride);
}
else {
this.virtualAttributeOverrides.add(new VirtualAttributeOverride(javaAttributeOverride, this.metadataComplete));
}
}
while(virtualAttributeOverrides.hasNext()) {
this.virtualAttributeOverrides.remove(virtualAttributeOverrides.next());
}
}
}
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