//$Id: Criterion.java,v 1.9 2005/02/12 07:19:13 steveebersole Exp $package org.hibernate.criterion;import java.io.Serializable;import org.hibernate.Criteria;import org.hibernate.HibernateException;import org.hibernate.engine.TypedValue;/** * An object-oriented representation of a query criterion that may be used  * as a restriction in a <tt>Criteria</tt> query. * Built-in criterion types are provided by the <tt>Restrictions</tt> factory  * class. This interface might be implemented by application classes that  * define custom restriction criteria. * * @see Restrictions * @see org.hibernate.Criteria * @author Gavin King */public interface Criterion extends Serializable {	/**	 * Render the SQL fragment	 * @param criteriaQuery	 * @param alias	 * @return String	 * @throws HibernateException	 */	public String toSqlString(Criteria criteria, CriteriaQuery criteriaQuery) 	throws HibernateException;		/**	 * Return typed values for all parameters in the rendered SQL fragment	 * @param criteria TODO	 * @param criteriaQuery 	 * @return TypedValue[]	 * @throws HibernateException	 */	public TypedValue[] getTypedValues(Criteria criteria, CriteriaQuery criteriaQuery) 	throws HibernateException;}