//$Id: Criterion.java 5685 2005-02-12 07:19:50Z steveebersole $
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;
}
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