/*
* 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.domain.SqmPluralAttributeReference;
/**
* @author Steve Ebersole
*/
public class EmptinessSqmPredicate extends AbstractNegatableSqmPredicate {
private final SqmPluralAttributeReference expression;
public EmptinessSqmPredicate(SqmPluralAttributeReference expression) {
this( expression, false );
}
public EmptinessSqmPredicate(SqmPluralAttributeReference expression, boolean negated) {
super( negated );
this.expression = expression;
}
public SqmPluralAttributeReference getExpression() {
return expression;
}
@Override
public <T> T accept(SemanticQueryWalker<T> walker) {
return walker.visitIsEmptyPredicate( this );
}
}