/*******************************************************************************
 * Copyright (c) 2009 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.jpa2.context.orm;

import org.eclipse.jpt.core.context.FetchType;
import org.eclipse.jpt.core.context.Fetchable;
import org.eclipse.jpt.core.context.orm.OrmAttributeMapping;
import org.eclipse.jpt.core.context.orm.OrmPersistentAttribute;
import org.eclipse.jpt.core.internal.context.orm.AbstractOrmAttributeMapping;
import org.eclipse.jpt.core.jpa2.MappingKeys2_0;
import org.eclipse.jpt.core.jpa2.context.orm.OrmElementCollectionMapping2_0;
import org.eclipse.jpt.core.resource.orm.Attributes;
import org.eclipse.jpt.core.resource.orm.XmlElementCollection;


public class GenericOrmElementCollectionMapping2_0
	extends AbstractOrmAttributeMapping<XmlElementCollection> 
	implements OrmElementCollectionMapping2_0
{
	
	protected FetchType specifiedFetch;

	public GenericOrmElementCollectionMapping2_0(OrmPersistentAttribute parent, XmlElementCollection resourceMapping) {
		super(parent, resourceMapping);
		this.specifiedFetch = this.getResourceFetch();
	}
	
	@Override
	public void update() {
		super.update();
		this.setSpecifiedFetch_(this.getResourceFetch());
	}
	
	//************* AttributeMapping implementation ***************

	public String getKey() {
		return MappingKeys2_0.ELEMENT_COLLECTION_ATTRIBUTE_MAPPING_KEY;
	}

	//************* OrmAttributeMapping implementation ***************
	public void initializeOn(OrmAttributeMapping newMapping) {
 		newMapping.initializeFromOrmAttributeMapping(this);
	}

	public int getXmlSequence() {
		return 75;
	}

	public void addToResourceModel(Attributes resourceAttributes) {
		resourceAttributes.getElementCollections().add(this.resourceAttributeMapping);
	}
	
	public void removeFromResourceModel(Attributes resourceAttributes) {
		resourceAttributes.getElementCollections().remove(this.resourceAttributeMapping);
	}

	
	//************* Fetchable *************
	
	public FetchType getFetch() {
		return (this.getSpecifiedFetch() == null) ? this.getDefaultFetch() : this.getSpecifiedFetch();
	}

	public FetchType getDefaultFetch() {
		return DEFAULT_FETCH_TYPE;
	}

	public FetchType getSpecifiedFetch() {
		return this.specifiedFetch;
	}
	
	public void setSpecifiedFetch(FetchType newSpecifiedFetch) {
		FetchType oldFetch = this.specifiedFetch;
		this.specifiedFetch = newSpecifiedFetch;
		this.resourceAttributeMapping.setFetch(FetchType.toOrmResourceModel(newSpecifiedFetch));
		firePropertyChanged(Fetchable.SPECIFIED_FETCH_PROPERTY, oldFetch, newSpecifiedFetch);
	}

	protected void setSpecifiedFetch_(FetchType newSpecifiedFetch) {
		FetchType oldFetch = this.specifiedFetch;
		this.specifiedFetch = newSpecifiedFetch;
		firePropertyChanged(Fetchable.SPECIFIED_FETCH_PROPERTY, oldFetch, newSpecifiedFetch);
	}
	
	protected FetchType getResourceFetch() {
		return FetchType.fromOrmResourceModel(this.resourceAttributeMapping.getFetch());
	}

}