ParensNode.java

/*
 *  Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; version 2 of the License.
 *
 *  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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
 */

package com.mysql.clusterj.jdbc.antlr.node;

import org.antlr.runtime.Token;

import com.mysql.clusterj.query.Predicate;
import com.mysql.clusterj.query.QueryDomainType;

public class ParensNode extends PredicateNode {

    public ParensNode(Token token) {
        super(token);
    }

    public ParensNode(ParensNode parensNode) {
        super(parensNode);
    }

    @Override
    public ParensNode dupNode() {
        return new ParensNode(this);
    }

    @Override
    public Predicate getPredicate(QueryDomainType<?> queryDomainType) {
        // just pass this through to child node
        if (getChild(0) instanceof PredicateNode) {
            return ((PredicateNode)getChild(0)).getPredicate(queryDomainType);
        } else {
            return null;
        }
    }

}