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/*
* 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 .
*/
package org.hibernate.hql.internal.ast.tree;
import antlr.SemanticException;
import org.hibernate.hql.internal.ast.util.ColumnHelper;
import org.hibernate.type.StandardBasicTypes;
import org.hibernate.type.Type;
/**
* Represents a unary operator node.
*
* @author Steve Ebersole
*/
public class UnaryLogicOperatorNode extends AbstractSelectExpression implements UnaryOperatorNode {
public Node getOperand() {
return (Node) getFirstChild();
}
public void initialize() {
// nothing to do; even if the operand is a parameter, no way we could
// infer an appropriate expected type here
}
public Type getDataType() {
// logic operators by definition resolve to booleans
return StandardBasicTypes.BOOLEAN;
}
public void setScalarColumnText(int i) throws SemanticException {
ColumnHelper.generateSingleScalarColumn( this, i );
}
}