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/*******************************************************************************
* <copyright>
*
* Copyright (c) 2005, 2010 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.HashSet;
import java.util.Set;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.provider.IJPAEditorFeatureProvider;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.relations.HasReferanceRelation;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JPAEditorConstants;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JpaArtifactFactory;
abstract class CreateOneToManyRelationFeature
extends CreateRelationFeature {
public CreateOneToManyRelationFeature(IJPAEditorFeatureProvider fp, String name, String description) {
super(fp, name, description);
}
/* (non-Javadoc)
* @see org.eclipse.jpt.jpadiagrameditor.ui.internal.feature.CreateRelationFeature#isRelationshipPossible()
*/
@Override
protected boolean isRelationshipPossible() {
if(JpaArtifactFactory.instance().hasEmbeddableAnnotation(owner)) {
Set<HasReferanceRelation> refs = JpaArtifactFactory.instance().findAllHasReferenceRelsByEmbeddableWithEntity(owner, getFeatureProvider());
if(refs.isEmpty()){
return false;
} else {
for (HasReferanceRelation ref : refs) {
HashSet<String> annotations = JpaArtifactFactory.instance().getAnnotationNames(ref.getEmbeddedAnnotatedAttribute());
for (String annotationName : annotations) {
if (annotationName.equals(JPAEditorConstants.ANNOTATION_ELEMENT_COLLECTION) || annotationName.equals(JPAEditorConstants.ANNOTATION_EMBEDDED_ID)) {
return false;
}
}
}
}
}
return true;
}
}
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