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/*******************************************************************************
* Copyright (c) 2006, 2007 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.context.orm;
import java.util.Iterator;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.core.internal.context.base.FetchType;
import org.eclipse.jpt.core.internal.context.base.IEntity;
import org.eclipse.jpt.core.internal.context.base.IFetchable;
import org.eclipse.jpt.core.internal.context.base.IRelationshipMapping;
import org.eclipse.jpt.core.internal.resource.orm.RelationshipMapping;
import org.eclipse.jpt.utility.internal.iterators.EmptyIterator;
public abstract class XmlRelationshipMapping<T extends RelationshipMapping> extends XmlAttributeMapping<T>
implements IRelationshipMapping
{
protected String specifiedTargetEntity;
protected String defaultTargetEntity;
protected IEntity resolvedTargetEntity;
protected FetchType specifiedFetch;
protected final XmlCascade cascade;
protected XmlRelationshipMapping(XmlPersistentAttribute parent) {
super(parent);
this.cascade = new XmlCascade(this);
}
public String getTargetEntity() {
return (this.getSpecifiedTargetEntity() == null) ? getDefaultTargetEntity() : this.getSpecifiedTargetEntity();
}
public String getSpecifiedTargetEntity() {
return this.specifiedTargetEntity;
}
public void setSpecifiedTargetEntity(String newSpecifiedTargetEntity) {
String oldSpecifiedTargetEntity = this.specifiedTargetEntity;
this.specifiedTargetEntity = newSpecifiedTargetEntity;
attributeMapping().setTargetEntity(newSpecifiedTargetEntity);
firePropertyChanged(SPECIFIED_TARGET_ENTITY_PROPERTY, oldSpecifiedTargetEntity, newSpecifiedTargetEntity);
}
protected void setSpecifiedTargetEntity_(String newSpecifiedTargetEntity) {
String oldSpecifiedTargetEntity = this.specifiedTargetEntity;
this.specifiedTargetEntity = newSpecifiedTargetEntity;
firePropertyChanged(SPECIFIED_TARGET_ENTITY_PROPERTY, oldSpecifiedTargetEntity, newSpecifiedTargetEntity);
}
public String getDefaultTargetEntity() {
return this.defaultTargetEntity;
}
protected void setDefaultTargetEntity(String newDefaultTargetEntity) {
String oldDefaultTargetEntity = this.defaultTargetEntity;
this.defaultTargetEntity = newDefaultTargetEntity;
firePropertyChanged(DEFAULT_TARGET_ENTITY_PROPERTY, oldDefaultTargetEntity, newDefaultTargetEntity);
}
public IEntity getResolvedTargetEntity() {
return this.resolvedTargetEntity;
}
protected void setResolvedTargetEntity(IEntity newResolvedTargetEntity) {
IEntity oldResolvedTargetEntity = this.resolvedTargetEntity;
this.resolvedTargetEntity = newResolvedTargetEntity;
firePropertyChanged(RESOLVED_TARGET_ENTITY_PROPERTY, oldResolvedTargetEntity, newResolvedTargetEntity);
}
public FetchType getFetch() {
return (this.getSpecifiedFetch() == null) ? this.getDefaultFetch() : this.getSpecifiedFetch();
}
public FetchType getSpecifiedFetch() {
return this.specifiedFetch;
}
public void setSpecifiedFetch(FetchType newSpecifiedFetch) {
FetchType oldFetch = this.specifiedFetch;
this.specifiedFetch = newSpecifiedFetch;
this.attributeMapping().setFetch(FetchType.toOrmResourceModel(newSpecifiedFetch));
firePropertyChanged(IFetchable.SPECIFIED_FETCH_PROPERTY, oldFetch, newSpecifiedFetch);
}
protected void setSpecifiedFetch_(FetchType newSpecifiedFetch) {
FetchType oldFetch = this.specifiedFetch;
this.specifiedFetch = newSpecifiedFetch;
firePropertyChanged(IFetchable.SPECIFIED_FETCH_PROPERTY, oldFetch, newSpecifiedFetch);
}
public XmlCascade getCascade() {
return this.cascade;
}
@Override
public void initializeFromXmlRelationshipMapping(XmlRelationshipMapping<? extends RelationshipMapping> oldMapping) {
super.initializeFromXmlRelationshipMapping(oldMapping);
setSpecifiedTargetEntity(oldMapping.getSpecifiedTargetEntity());
setSpecifiedFetch(oldMapping.getSpecifiedFetch());
}
//TODO should we set the fetch type from a BasicMapping??
// public boolean targetEntityIsValid(String targetEntity) {
// return RelationshipMappingTools.targetEntityIsValid(targetEntity);
// }
//
// public IEntity getEntity() {
// ITypeMapping typeMapping = getPersistentType().getMapping();
// if (typeMapping instanceof IEntity) {
// return (IEntity) typeMapping;
// }
// return null;
// }
//
// public String fullyQualifiedTargetEntity(CompilationUnit astRoot) {
// if (getTargetEntity() == null) {
// return null;
// }
// if (targetEntityIncludesPackage()) {
// return getTargetEntity();
// }
// String package_ = persistentType().getMapping().getEntityMappings().getPackage();
// if (package_ != null) {
// return package_ + '.' + getTargetEntity();
// }
// return getTargetEntity();
// }
//
// private boolean targetEntityIncludesPackage() {
// return getTargetEntity().lastIndexOf('.') != -1;
// }
public Iterator<String> allTargetEntityAttributeNames() {
IEntity targetEntity = this.getResolvedTargetEntity();
return (targetEntity == null) ? EmptyIterator.<String> instance() : targetEntity.persistentType().allAttributeNames();
}
public Iterator<String> candidateMappedByAttributeNames() {
return this.allTargetEntityAttributeNames();
}
// @Override
// public void refreshDefaults(DefaultsContext defaultsContext) {
// super.refreshDefaults(defaultsContext);
// setDefaultTargetEntity((String) defaultsContext.getDefault(BaseJpaPlatform.DEFAULT_TARGET_ENTITY_KEY));
// String targetEntity = fullyQualifiedTargetEntity(defaultsContext.astRoot());
// if (targetEntity != null) {
// IPersistentType persistentType = defaultsContext.persistentType(targetEntity);
// if (persistentType != null) {
// if (persistentType.getMapping() instanceof IEntity) {
// setResolvedTargetEntity((IEntity) persistentType.getMapping());
// return;
// }
// }
// }
// setResolvedTargetEntity(null);
// }
//
// /**
// * the default 'targetEntity' is calculated from the attribute type;
// * return null if the attribute type cannot possibly be an entity
// */
// public String javaDefaultTargetEntity(CompilationUnit astRoot) {
// ITypeBinding typeBinding = this.getPersistentAttribute().getAttribute().typeBinding(astRoot);
// if (typeBinding != null) {
// return this.javaDefaultTargetEntity(typeBinding);
// }
// return null;
// }
//
// protected String javaDefaultTargetEntity(ITypeBinding typeBinding) {
// return buildReferenceEntityTypeName(typeBinding);
// }
//
// protected String buildReferenceEntityTypeName(ITypeBinding typeBinding) {
// return JavaRelationshipMapping.buildReferenceEntityTypeName(typeBinding);
// }
public String fullyQualifiedTargetEntity(CompilationUnit astRoot) {
// TODO Auto-generated method stub
return null;
}
public IEntity getEntity() {
// TODO Auto-generated method stub
return null;
}
public boolean targetEntityIsValid(String targetEntity) {
// TODO Auto-generated method stub
return false;
}
@Override
public void initialize(T relationshipMapping) {
super.initialize(relationshipMapping);
this.specifiedTargetEntity = relationshipMapping.getTargetEntity();
this.defaultTargetEntity = null;//TODO default target entity
this.specifiedFetch = this.specifiedFetch(relationshipMapping);
this.cascade.initialize(relationshipMapping);
}
@Override
public void update(T relationshipMapping) {
super.update(relationshipMapping);
this.setSpecifiedTargetEntity_(relationshipMapping.getTargetEntity());
this.setDefaultTargetEntity(null);//TODO default target entity
this.setSpecifiedFetch_(this.specifiedFetch(relationshipMapping));
this.cascade.update(relationshipMapping);
}
protected FetchType specifiedFetch(RelationshipMapping relationshipMapping) {
return FetchType.fromOrmResourceModel(relationshipMapping.getFetch());
}
}
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