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/*******************************************************************************
* <copyright>
*
* Copyright (c) 2005, 2012 SAP AG.
* 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:
* Stefan Dimov - initial API, implementation and documentation
*
* </copyright>
*
*******************************************************************************/
package org.eclipse.jpt.jpadiagrameditor.ui.internal.feature;
import java.util.Set;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.jpt.jpa.core.context.AttributeMapping;
import org.eclipse.jpt.jpa.core.context.EmbeddedIdMapping;
import org.eclipse.jpt.jpa.core.context.PersistentType;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.i18n.JPAEditorMessages;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.provider.IJPAEditorFeatureProvider;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.provider.JPAEditorImageProvider;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.relations.HasReferanceRelation;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.relations.ManyToOneBiDirRelation;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JPAEditorUtil;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JpaArtifactFactory;
public class CreateManyToOneBiDirRelationFeature extends CreateManyToOneRelationFeature
implements ICreateBiDirRelationFeature {
public CreateManyToOneBiDirRelationFeature(IJPAEditorFeatureProvider fp, boolean isDerivedIdFeature) {
super(fp, JPAEditorMessages.CreateManyToOneBiDirRelationFeature_manyToOneBiDirFeatureName,
JPAEditorMessages.CreateManyToOneBiDirRelationFeature_manyToOneBiDirFeatureDescription, isDerivedIdFeature);
}
@Override
public ManyToOneBiDirRelation createRelation(IJPAEditorFeatureProvider fp, PictogramElement source,
PictogramElement target, PersistentType embeddingEntity) {
PersistentType owner = (PersistentType)(getBusinessObjectForPictogramElement(source));
PersistentType inverse = (PersistentType)(getBusinessObjectForPictogramElement(target));
String ownerAttributeName = JPAEditorUtil.returnSimpleName(JpaArtifactFactory.instance().getEntityName(inverse));
String nameWithNonCapitalLetter = ownerAttributeName;
if (JpaArtifactFactory.instance().isMethodAnnotated(owner))
nameWithNonCapitalLetter = JPAEditorUtil.produceValidAttributeName(ownerAttributeName);
String ownerAttributeText = JPAEditorUtil.produceUniqueAttributeName(owner, nameWithNonCapitalLetter);
String inverseAttributeName = JPAEditorUtil.returnSimpleName(JpaArtifactFactory.instance().getEntityName(owner));
String nameWithNonCapitalLetter2 = inverseAttributeName;
if (JpaArtifactFactory.instance().isMethodAnnotated(inverse))
nameWithNonCapitalLetter2 = JPAEditorUtil.produceValidAttributeName(inverseAttributeName);
String inverseAttributeText = JPAEditorUtil.produceUniqueAttributeName(inverse, ownerAttributeText, nameWithNonCapitalLetter2);
ManyToOneBiDirRelation rel = new ManyToOneBiDirRelation(fp, owner, inverse, ownerAttributeText, inverseAttributeText, true, embeddingEntity, isDerivedIdFeature);
return rel;
}
public String getCreateImageId() {
if(isDerivedIdFeature) {
return JPAEditorImageProvider.ICON_MANY_TO_ONE_2_KEY_DIR;
}
return JPAEditorImageProvider.ICON_MANY_TO_ONE_2_DIR;
}
@Override
protected boolean isRelationshipPossible() {
if(JpaArtifactFactory.instance().isEmbeddable(owner)) {
Set<HasReferanceRelation> refs = JpaArtifactFactory.instance().findAllHasReferenceRelsByEmbeddableWithEntity(owner, getFeatureProvider());
if (refs.size() != 1){
return false;
} else {
for (HasReferanceRelation ref : refs) {
AttributeMapping attributeMapping = JpaArtifactFactory.instance().getAttributeMapping(ref.getEmbeddedAnnotatedAttribute());
if (attributeMapping instanceof EmbeddedIdMapping) {
return false;
}
}
}
}
return true;
}
}
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