/*
 * 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.tdb.sys;

import java.util.Iterator ;

public class DatasetControlMutable implements DatasetControl 
{
    private DatasetControl other ;
    
    public DatasetControlMutable(DatasetControl control) { set(control) ; } 
    
    public void set(DatasetControl newOther) { other = newOther ; }
    
    @Override
    public void startUpdate()
    {
        other.startUpdate() ;
    }

    @Override
    public void finishUpdate()
    {
        other.finishUpdate() ;
    }

    @Override
    public void startRead()
    {
        other.startRead() ;
    }

    @Override
    public void finishRead()
    {
        other.finishUpdate() ;
    }

    @Override
    public <T> Iterator<T> iteratorControl(Iterator<T> iter)
    {
        return other.iteratorControl(iter) ;
    }
}