/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
*/
package org.hibernate.query.sqm.tree.predicate;
import org.hibernate.query.sqm.consume.spi.SemanticQueryWalker;
import org.hibernate.query.sqm.tree.expression.SqmExpression;
/**
* @author Steve Ebersole
*/
public class NullnessSqmPredicate extends AbstractNegatableSqmPredicate {
private final SqmExpression expression;
public NullnessSqmPredicate(SqmExpression expression) {
this( expression, false );
}
public NullnessSqmPredicate(SqmExpression expression, boolean negated) {
super( negated );
this.expression = expression;
}
public SqmExpression getExpression() {
return expression;
}
@Override
public <T> T accept(SemanticQueryWalker<T> walker) {
return walker.visitIsNullPredicate( this );
}
}