/*
 * Licensed 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 com.facebook.presto.spiller;

import com.facebook.presto.operator.SpillContext;

public class LocalSpillContext
    implements SpillContext
{
    private final SpillContext parentSpillContext;
    private long spilledBytes;

    public LocalSpillContext(SpillContext parentSpillContext)
    {
        this.parentSpillContext = parentSpillContext;
    }

    @Override
    public void updateBytes(long bytes)
    {
        parentSpillContext.updateBytes(bytes);
        spilledBytes += bytes;
    }

    @Override
    public void close()
    {
        parentSpillContext.updateBytes(-spilledBytes);
    }
}