com.metamx.common.guava.ResourceClosingYielder Maven / Gradle / Ivy
/*
* Copyright 2011 - 2015 Metamarkets Group Inc.
*
* 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.metamx.common.guava;
import java.io.Closeable;
import java.io.IOException;
/**
*/
public class ResourceClosingYielder implements Yielder
{
private final Yielder baseYielder;
private final Closeable closeable;
public ResourceClosingYielder(Yielder baseYielder, Closeable closeable)
{
this.baseYielder = baseYielder;
this.closeable = closeable;
}
@Override
public OutType get()
{
return baseYielder.get();
}
@Override
public Yielder next(OutType initValue)
{
return new ResourceClosingYielder<>(baseYielder.next(initValue), closeable);
}
@Override
public boolean isDone()
{
return baseYielder.isDone();
}
@Override
public void close() throws IOException
{
if (closeable != null) {
closeable.close();
}
baseYielder.close();
}
}