org.hibernate.hql.internal.ast.tree.LiteralNode Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008-2011, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.hql.internal.ast.tree;
import antlr.SemanticException;
import org.hibernate.hql.internal.antlr.HqlSqlTokenTypes;
import org.hibernate.hql.internal.ast.util.ColumnHelper;
import org.hibernate.type.StandardBasicTypes;
import org.hibernate.type.Type;
/**
* Represents a literal.
*
* @author josh
*/
public class LiteralNode extends AbstractSelectExpression implements HqlSqlTokenTypes {
public void setScalarColumnText(int i) throws SemanticException {
ColumnHelper.generateSingleScalarColumn( this, i );
}
public Type getDataType() {
switch ( getType() ) {
case NUM_INT:
return StandardBasicTypes.INTEGER;
case NUM_FLOAT:
return StandardBasicTypes.FLOAT;
case NUM_LONG:
return StandardBasicTypes.LONG;
case NUM_DOUBLE:
return StandardBasicTypes.DOUBLE;
case NUM_BIG_INTEGER:
return StandardBasicTypes.BIG_INTEGER;
case NUM_BIG_DECIMAL:
return StandardBasicTypes.BIG_DECIMAL;
case QUOTED_STRING:
return StandardBasicTypes.STRING;
case TRUE:
case FALSE:
return StandardBasicTypes.BOOLEAN;
default:
return null;
}
}
}