/*
|
* Copyright (C) 2014 The Android Open Source Project
|
*
|
* 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.android.camera.async;
|
|
import javax.annotation.Nonnull;
|
|
/**
|
* Wraps a {@link BufferQueueController} with reference counting.
|
*/
|
public class RefCountedBufferQueueController<T> implements BufferQueueController<T> {
|
private final RefCountBase<BufferQueueController> mBuffer;
|
|
public RefCountedBufferQueueController(BufferQueueController<T> stream) {
|
mBuffer = new RefCountBase<BufferQueueController>(stream, 1);
|
}
|
|
@Override
|
public void update(@Nonnull T element) {
|
mBuffer.get().update(element);
|
}
|
|
@Override
|
public boolean isClosed() {
|
return mBuffer.get().isClosed();
|
}
|
|
public void addRef() {
|
mBuffer.addRef();
|
}
|
|
@Override
|
public void close() {
|
mBuffer.close();
|
}
|
}
|
