/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.jena.sdb.core.sqlnode;

import org.apache.jena.sdb.shared.SDBInternalError ;

// Not used - may be removed
public class SqlSlice extends SqlNodeBase1
{
    private long start ;
    private long length ;
    
    private SqlSlice(SqlNode subOp, long start, long length)
    {
        super(null, subOp) ;
        this.start = start ;
        this.length = length ;
    }
    
    public long getLength()         { return length ; }
    public long getStart()          { return start ; }

//    @Override
//    public boolean isModifier()     { return true ; }
    
    @Override
    public void visit(SqlNodeVisitor visitor)
    { throw new SDBInternalError("SqlSlice.visit") ; }
    //{ visitor.visit(this) ; }
    
    @Override
    public SqlNode apply(SqlTransform transform, SqlNode subNode)
    { throw new SDBInternalError("SqlSlice.apply") ; }
    //{ return transform.transform(this, subNode) ; }

    @Override
    public SqlNode copy(SqlNode subNode)
    {
        return new SqlSlice(subNode, this.start, this.length) ;
    }
}