com.abiquo.server.core.cloud.stateful.NodeVirtualImageStatefulConversionDAO.java Source code

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Here is the source code for com.abiquo.server.core.cloud.stateful.NodeVirtualImageStatefulConversionDAO.java

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/**
 * Abiquo community edition
 * cloud management application for hybrid clouds
 * Copyright (C) 2008-2010 - Abiquo Holdings S.L.
 *
 * This application is free software; you can redistribute it and/or
 * modify it under the terms of the GNU LESSER GENERAL PUBLIC
 * LICENSE as published by the Free Software Foundation under
 * version 3 of the License
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * LESSER GENERAL PUBLIC LICENSE v.3 for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

package com.abiquo.server.core.cloud.stateful;

import java.util.Collection;

import javax.persistence.EntityManager;

import org.hibernate.Criteria;
import org.hibernate.Query;
import org.hibernate.criterion.Criterion;
import org.hibernate.criterion.Disjunction;
import org.hibernate.criterion.Restrictions;
import org.springframework.stereotype.Repository;

import com.abiquo.server.core.appslibrary.VirtualImageConversion;
import com.abiquo.server.core.cloud.VirtualAppliance;
import com.abiquo.server.core.common.persistence.DefaultDAOBase;

@Repository("jpaNodeVirtualImageStatefulConversionDAO")
public class NodeVirtualImageStatefulConversionDAO
        extends DefaultDAOBase<Integer, NodeVirtualImageStatefulConversion> {
    public NodeVirtualImageStatefulConversionDAO() {
        super(NodeVirtualImageStatefulConversion.class);
    }

    public NodeVirtualImageStatefulConversionDAO(final EntityManager entityManager) {
        super(NodeVirtualImageStatefulConversion.class, entityManager);
    }

    public static Criterion sameVIConversion(final VirtualImageConversion vic) {
        Disjunction filterDisjunction = Restrictions.disjunction();

        filterDisjunction
                .add(Restrictions.eq(NodeVirtualImageStatefulConversion.VIRTUAL_IMAGE_CONVERSION_PROPERTY, vic));

        return filterDisjunction;
    }

    public static Criterion sameVASConversion(final VirtualApplianceStatefulConversion vasc) {
        Disjunction filterDisjunction = Restrictions.disjunction();

        filterDisjunction.add(Restrictions
                .eq(NodeVirtualImageStatefulConversion.VIRTUAL_APPLIANCE_STATEFUL_CONVERSION_PROPERTY, vasc));

        return filterDisjunction;
    }

    public Collection<NodeVirtualImageStatefulConversion> findByVirtualImageConversion(
            final VirtualImageConversion virtualImageConversion) {
        Criteria criteria = createCriteria();
        criteria.add(sameVIConversion(virtualImageConversion));
        return getResultList(criteria);
    }

    public Collection<NodeVirtualImageStatefulConversion> findByVirtualApplianceStatefulConversion(
            final VirtualApplianceStatefulConversion virtualApplianceStatefulConversion) {
        Criteria criteria = createCriteria();
        criteria.add(sameVASConversion(virtualApplianceStatefulConversion));
        return getResultList(criteria);
    }

    private final String QUERY_BY_VIRTUAL_APPLIANCE = "SELECT nvisc "
            + "FROM com.abiquo.server.core.cloud.stateful.NodeVirtualImageStatefulConversion nvisc "
            + ",com.abiquo.server.core.cloud.stateful.VirtualApplianceStatefulConversion vasc "
            + "WHERE nvisc.virtualApplianceStatefulConversion.id = vasc.id "
            + "AND vasc.virtualAppliance.id = :idVirtualAppliance";

    public Collection<NodeVirtualImageStatefulConversion> findByVirtualAppliance(
            final VirtualAppliance virtualAppliance) {
        Query query = getSession().createQuery(QUERY_BY_VIRTUAL_APPLIANCE);
        query.setParameter("idVirtualAppliance", virtualAppliance.getId());

        return query.list();
    }

}