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 * Hibernate, Relational Persistence for Idiomatic Java
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package org.hibernate.criterion;
import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.engine.spi.TypedValue;

A criterion that is a wrapper for another, negating the wrapped one.
Author:
Gavin King/**
 * A criterion that is a wrapper for another, negating the wrapped one.
 *
 * @author Gavin King
 */
public class NotExpression implements Criterion {
	private Criterion criterion;

	
Constructs a NotExpression
Params:
criterion – The expression to wrap and negate
See Also:
Restrictions.not/**
	 * Constructs a NotExpression
	 *
	 * @param criterion The expression to wrap and negate
	 *
	 * @see Restrictions#not
	 */
	protected NotExpression(Criterion criterion) {
		this.criterion = criterion;
	}

	@Override
	public String toSqlString(Criteria criteria, CriteriaQuery criteriaQuery) throws HibernateException {
		return criteriaQuery.getFactory().getDialect().getNotExpression(
				criterion.toSqlString( criteria, criteriaQuery )
		);
	}

	@Override
	public TypedValue[] getTypedValues(Criteria criteria, CriteriaQuery criteriaQuery) throws HibernateException {
		return criterion.getTypedValues( criteria, criteriaQuery );
	}

	@Override
	public String toString() {
		return "not " + criterion.toString();
	}

}