HibernateQueryCompatibility

HibernateQueryCompatibility.j

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

/**
 * Abstracts the operations on queries
 * for compatibility reasons.
 * @author michele vivoda
 *
 */
public abstract class HibernateQueryCompatibility
{
	/**
	 * Subclasses only constructor.
	 */
	protected HibernateQueryCompatibility()
	{
		// 
	}
	/**
     * Creates a {@link Query}. See {@link Session#createQuery(String)}.
     * @param session a {@link Session}, never <code>null</code>.
     * @param hql required HQL
     * @return a {@link Query}, never <code>null</code>.
     */
    public abstract Query createQuery(Session session, String hql);
	
    /**
     * Creates a {@link SQLQuery}. See {@link Session#createSQLQuery(String)}.
     * @param session a {@link Session}, never <code>null</code>.
     * @param sql required SQL
     * @return a {@link SQLQuery}, never <code>null</code>.
     */
    public abstract SQLQuery createSQLQuery(Session session, String sql);
    
    /**
     * Creates a named {@link Query}. See {@link Session#getNamedQuery(String)}
     * @param session a {@link Session}, never <code>null</code>.
     * @param name required name
     * @return a {@link Query}, never <code>null</code>.
     */
    public abstract Query getNamedQuery(Session session, String name);
	
    
}