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/*******************************************************************************
* Copyright (c) 2006, 2008 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 org.eclipse.jpt.core.MappingKeys;
import org.eclipse.jpt.core.context.AttributeMapping;
import org.eclipse.jpt.core.context.NonOwningMapping;
import org.eclipse.jpt.core.context.orm.OrmAttributeMapping;
import org.eclipse.jpt.core.context.orm.OrmManyToManyMapping;
import org.eclipse.jpt.core.context.orm.OrmPersistentAttribute;
import org.eclipse.jpt.core.resource.orm.AbstractXmlTypeMapping;
import org.eclipse.jpt.core.resource.orm.OrmFactory;
import org.eclipse.jpt.core.resource.orm.XmlManyToMany;
public class GenericOrmManyToManyMapping extends AbstractOrmMultiRelationshipMapping<XmlManyToMany>
implements OrmManyToManyMapping
{
public GenericOrmManyToManyMapping(OrmPersistentAttribute parent) {
super(parent);
}
public String getKey() {
return MappingKeys.MANY_TO_MANY_ATTRIBUTE_MAPPING_KEY;
}
public void initializeOn(OrmAttributeMapping newMapping) {
newMapping.initializeFromOrmManyToManyMapping(this);
}
@Override
public void initializeFromXmlNonOwningMapping(NonOwningMapping oldMapping) {
super.initializeFromXmlNonOwningMapping(oldMapping);
setMappedBy(oldMapping.getMappedBy());
}
public int getXmlSequence() {
return 7;
}
// ********** NonOwningMapping implementation **********
public boolean mappedByIsValid(AttributeMapping mappedByMapping) {
String mappedByKey = mappedByMapping.getKey();
return (mappedByKey == MappingKeys.MANY_TO_MANY_ATTRIBUTE_MAPPING_KEY);
}
public XmlManyToMany addToResourceModel(AbstractXmlTypeMapping typeMapping) {
XmlManyToMany manyToMany = OrmFactory.eINSTANCE.createXmlManyToManyImpl();
getPersistentAttribute().initialize(manyToMany);
typeMapping.getAttributes().getManyToManys().add(manyToMany);
return manyToMany;
}
public void removeFromResourceModel(AbstractXmlTypeMapping typeMapping) {
typeMapping.getAttributes().getManyToManys().remove(this.getAttributeMapping());
if (typeMapping.getAttributes().isAllFeaturesUnset()) {
typeMapping.setAttributes(null);
}
}
}
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