/*******************************************************************************
 * Copyright (c) 2014, 2016 Orange.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *******************************************************************************/
package org.eclipse.om2m.persistence.eclipselink.internal.dao;

import java.util.List;

import org.eclipse.om2m.commons.entities.FlexContainerEntity;
import org.eclipse.om2m.commons.entities.LabelEntity;
import org.eclipse.om2m.persistence.eclipselink.internal.DBTransactionJPAImpl;
import org.eclipse.om2m.persistence.service.DBTransaction;

public class FlexContainerDAO extends AbstractDAO<FlexContainerEntity>{


	@Override
	public FlexContainerEntity find(DBTransaction dbTransaction, Object id) {
		DBTransactionJPAImpl transaction = (DBTransactionJPAImpl) dbTransaction;
		return transaction.getEm().find(FlexContainerEntity.class, id);
	}

	@Override
	public void delete(DBTransaction dbTransaction, FlexContainerEntity resource) {
		DBTransactionJPAImpl transaction = (DBTransactionJPAImpl) dbTransaction;
		
		// de-associate labels
		List<LabelEntity> labels = resource.getLabelsEntities();
		for (LabelEntity label : labels) {
			label.getLinkedFcnt().remove(resource);
		}
		
		if (resource.getParentAE() != null) {
			resource.getParentAE().getChildFlexContainers().remove(resource);
		}
		
		if (resource.getParentContainer() != null) {
			resource.getParentContainer().getChildFlexContainers().remove(resource);
		}
		
		if (resource.getParentCSEB() != null) {
			resource.getParentCSEB().getChildFlexContainers().remove(resource);
		}
		
		if (resource.getParentCSR() != null) {
			resource.getParentCSR().getChildFlexContainers().remove(resource);
		}
		
		if (resource.getParentFlexContainer() != null) {
			resource.getParentFlexContainer().getChildFlexContainers().remove(resource);
		}
		
		transaction.getEm().remove(resource);
	}

}