org.hibernate.sql.ordering.antlr.Factory Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008 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.sql.ordering.antlr;
import antlr.ASTFactory;
/**
* Acts as a {@link ASTFactory} for injecting our specific AST node classes into the Antlr generated trees.
*
* @author Steve Ebersole
*/
public class Factory extends ASTFactory implements OrderByTemplateTokenTypes {
@Override
public Class getASTNodeType(int i) {
switch ( i ) {
case ORDER_BY:
return OrderByFragment.class;
case SORT_SPEC:
return SortSpecification.class;
case ORDER_SPEC:
return OrderingSpecification.class;
case COLLATE:
return CollationSpecification.class;
case SORT_KEY:
return SortKey.class;
default:
return NodeSupport.class;
}
}
}