| /* |
| * 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; |
| |
| /** |
| * 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(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(); |
| } |
| } |