com.mg.framework.support.orm.OrmTemplateHibernateImpl.java Source code

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Here is the source code for com.mg.framework.support.orm.OrmTemplateHibernateImpl.java

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/*
 * OrmTemplateHibernateImpl.java
 *
 * Copyright (c) 1998 - 2007 BusinessTechnology, Ltd.
 * All rights reserved
 *
 * This program is the proprietary and confidential information
 * of BusinessTechnology, Ltd. and may be used and disclosed only
 * as authorized in a license agreement authorizing and
 * controlling such use and disclosure
 *
 * Millennium Business Suite Anywhere System.
 *
 */
package com.mg.framework.support.orm;

import com.mg.framework.api.orm.Criteria;
import com.mg.framework.api.orm.OrmTemplate;

import org.hibernate.Query;
import org.hibernate.Session;

/**
 * ?  ?  ?   Hibernate
 *
 * @author Oleg V. Safonov
 * @version $Id: OrmTemplateHibernateImpl.java,v 1.1 2007/07/27 09:32:54 safonov Exp $
 */
public class OrmTemplateHibernateImpl extends OrmTemplate {

    private org.hibernate.Criteria createCrireria(Session session, Class<?> persistentClass, Object[] criteria) {
        org.hibernate.Criteria hibernateCriteria = session.createCriteria(persistentClass);
        for (Object crit : criteria) {
            if (crit instanceof GenericCriterionImpl)
                hibernateCriteria = hibernateCriteria.add(((GenericCriterionImpl) crit).getHibernateCriterion());
            else if (crit instanceof OrderImpl)
                hibernateCriteria = hibernateCriteria.addOrder(((OrderImpl) crit).getHibernateOrder());
            else if (crit instanceof GenericProjectionImpl)
                hibernateCriteria = hibernateCriteria
                        .setProjection(((GenericProjectionImpl) crit).getHibernateProjection());
            else
                throw new IllegalArgumentException("Invalid criterion type: " + crit.getClass()); //$NON-NLS-1$
        }
        return hibernateCriteria;
    }

    @Override
    protected void prepareQuery(Query queryObject) {
        if (isCacheQueries()) {
            queryObject.setCacheable(true);
            if (getQueryCacheRegion() != null) {
                queryObject.setCacheRegion(getQueryCacheRegion());
            }
        }
        if (getFetchSize() > 0) {
            queryObject.setFetchSize(getFetchSize());
        }
        if (getMaxResults() > 0) {
            queryObject.setMaxResults(getMaxResults());
        }
        if (getFlushMode() != null) {
            queryObject.setFlushMode(CriteriaHibernateImpl.convertFlushModeToHibernate(getFlushMode()));
        }
        //SessionFactoryUtils.applyTransactionTimeout(queryObject, getSessionFactory());
    }

    @Override
    protected void prepareCriteria(Criteria criteria) {
        if (isCacheQueries()) {
            criteria.setCacheable(true);
            if (getQueryCacheRegion() != null) {
                criteria.setCacheRegion(getQueryCacheRegion());
            }
        }
        if (getFetchSize() > 0) {
            criteria.setFetchSize(getFetchSize());
        }
        if (getMaxResults() > 0) {
            criteria.setMaxResults(getMaxResults());
        }
        if (getFlushMode() != null) {
            criteria.setFlushMode(getFlushMode());
        }
        //SessionFactoryUtils.applyTransactionTimeout(criteria, getSessionFactory());
    }

}