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/**
* <copyright> Copyright (c) 2011 Springsite BV (The Netherlands) and others 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: Martin Taal
* </copyright> $Id: ManyAttributeMapper.java,v 1.27 2009/11/02 18:14:18 mtaal Exp $
*/
package org.eclipse.emf.teneo.hibernate.mapper;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.emf.teneo.annotations.pamodel.PAnnotatedEReference;
import org.eclipse.emf.teneo.annotations.pamodel.PAnnotatedEStructuralFeature;
import org.eclipse.emf.teneo.annotations.pannotation.JoinColumn;
import org.eclipse.emf.teneo.annotations.pannotation.JoinTable;
import org.eclipse.emf.teneo.annotations.pannotation.OneToMany;
import org.eclipse.emf.teneo.extension.ExtensionPoint;
import org.eclipse.emf.teneo.hibernate.hbmodel.HbAnnotatedEReference;
import org.eclipse.emf.teneo.hibernate.hbmodel.HbAnnotatedETypeElement;
import org.eclipse.emf.teneo.simpledom.Element;
/**
* Maps an EReference with a type annotation. This type of ereference is mapped as an eattribute
* with a type parameter.
*
* @author <a href="mailto:mtaal at elver.org">Martin Taal</a>
*/
public class TypedEReferenceMapper extends AbstractAssociationMapper implements ExtensionPoint {
public void process(PAnnotatedEReference paReference) {
if (paReference.getModelEReference().isMany()) {
processMany(paReference);
} else {
processSingle(paReference);
}
}
private void processSingle(PAnnotatedEStructuralFeature paEFeature) {
final String name = getHbmContext().getPropertyName(paEFeature.getModelEStructuralFeature());
final Element propElement = getHbmContext().getCurrent().addElement("property")
.addAttribute("name", name);
addColumnsAndFormula(propElement, paEFeature, getColumns(paEFeature), true, true);
setType(paEFeature, propElement);
addAccessor(propElement);
}
private void processMany(PAnnotatedEStructuralFeature paEFeature) {
final HbAnnotatedEReference hbReference = (HbAnnotatedEReference) paEFeature;
final Element collElement = addCollectionElement(paEFeature);
final Element keyElement = collElement.addElement("key");
addForeignKeyAttribute(keyElement, paEFeature);
handleOndelete(keyElement, hbReference.getHbOnDelete());
final JoinTable jt = paEFeature.getJoinTable();
final List<JoinColumn> jcs = paEFeature.getJoinColumns() == null ? new ArrayList<JoinColumn>()
: paEFeature.getJoinColumns();
final OneToMany otm = paEFeature.getOneToMany();
if (jt != null) {
addJoinTable(hbReference, collElement, keyElement, jt);
addKeyColumns(hbReference, keyElement, jcs);
} else {
addKeyColumns(hbReference, keyElement, jcs);
}
if (otm.isIndexed() && hbReference.getHbIdBag() == null) {
addListIndex(collElement, paEFeature);
}
addFetchType(collElement, otm.getFetch());
addCascadesForMany(collElement,
getCascades(hbReference.getHbCascade(), otm.getCascade(), otm.isOrphanRemoval()));
addElementElement(collElement, paEFeature, getColumns(paEFeature), otm.getTargetEntity());
addAccessor(collElement);
mapFilter(collElement, ((HbAnnotatedETypeElement) paEFeature).getFilter());
}
}
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