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/**
* <copyright>
*
* Copyright (c) 2005, 2006, 2007, 2008 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: UnidirectionalManyToManyAnnotator.java,v 1.9 2009/03/30 07:53:04 mtaal Exp $
*/
package org.eclipse.emf.teneo.annotations.mapper;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.teneo.annotations.pamodel.PAnnotatedEReference;
import org.eclipse.emf.teneo.annotations.pannotation.JoinTable;
import org.eclipse.emf.teneo.annotations.pannotation.ManyToMany;
import org.eclipse.emf.teneo.extension.ExtensionPoint;
import org.eclipse.emf.teneo.util.StoreUtil;
/**
* Annotates a many-to-many which is handled from one side.
*
* @author <a href="mailto:mtaal@elver.org">Martin Taal</a>
* @version $Revision: 1.9 $
*/
public class UnidirectionalManyToManyAnnotator extends BaseEFeatureAnnotator implements
ExtensionPoint {
// The logger
protected static final Log log = LogFactory.getLog(UnidirectionalManyToManyAnnotator.class);
/** Process the features of the eclass */
public void annotate(PAnnotatedEReference aReference) {
final String featureLogStr = aReference.getModelEReference().getName() + "/"
+ aReference.getModelEReference().getEContainingClass().getName();
if (aReference.getOneToMany() != null || aReference.getOneToOne() != null
|| aReference.getManyToOne() != null) {
throw new StoreMappingException("The feature/eclass " + featureLogStr
+ " should be a ManyToMany but "
+ "it already has a OneToMany, OneToOne or ManyToOne annotation");
}
final EReference eReference = (EReference) aReference.getModelElement();
// note that mtm is always present because this case can not be
// discovered by Teneo
final ManyToMany mtm = aReference.getManyToMany();
if (log.isDebugEnabled()) {
log.debug("ManyToMany present check if default information should be added");
}
mtm.setEModelElement(eReference);
if (eReference.isContainment() || getPersistenceOptions().isSetDefaultCascadeOnNonContainment()) {
setCascade(mtm.getCascade(), eReference.isContainment());
}
if (mtm.getTargetEntity() == null) {
if (aReference.getAReferenceType() != null
&& aReference.getAReferenceType().getEntity() != null
&& aReference.getAReferenceType().getEntity().getName() != null) {
mtm.setTargetEntity(aReference.getAReferenceType().getEntity().getName());
} else {
mtm.setTargetEntity(getEntityName(eReference.getEReferenceType()));
}
}
// with a unidirectional mtm the join is always placed here
JoinTable joinTable = aReference.getJoinTable();
if (joinTable == null) {
joinTable = getFactory().createJoinTable();
aReference.setJoinTable(joinTable);
if (StoreUtil.isAuditEntryEClass(aReference.getModelEReference().getEContainingClass())
&& getPersistenceOptions().getAuditingDBSchema() != null
&& getPersistenceOptions().getAuditingDBSchema().length() > 0) {
joinTable.setSchema(getPersistenceOptions().getAuditingDBSchema());
}
}
joinTable.setEModelElement(eReference);
if (getPersistenceOptions().isSetForeignKeyNames() && aReference.getForeignKey() == null) {
aReference.setForeignKey(createFK(aReference));
}
// note that here not the eclass name is used for the opposite side but
// the name of the targetentity
// because that's the one which is known here
if (joinTable.getName() == null) {
joinTable.setName(getSqlNameStrategy().getJoinTableName(aReference));
}
if (joinTable.getJoinColumns() == null) {
final List<String> names = getSqlNameStrategy().getJoinTableJoinColumns(aReference, false);
joinTable.getJoinColumns().addAll(getJoinColumns(names, false, true, mtm));
}
}
}
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