| /* |
| * Copyright 2018 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| package org.webrtc; |
| |
| import java.util.concurrent.atomic.AtomicInteger; |
| import javax.annotation.Nullable; |
| |
| /** |
| * Implementation of RefCounted that executes a Runnable once the ref count reaches zero. |
| */ |
| class RefCountDelegate implements RefCounted { |
| private final AtomicInteger refCount = new AtomicInteger(1); |
| private final @Nullable Runnable releaseCallback; |
| |
| /** |
| * @param releaseCallback Callback that will be executed once the ref count reaches zero. |
| */ |
| public RefCountDelegate(@Nullable Runnable releaseCallback) { |
| this.releaseCallback = releaseCallback; |
| } |
| |
| @Override |
| public void retain() { |
| refCount.incrementAndGet(); |
| } |
| |
| @Override |
| public void release() { |
| if (refCount.decrementAndGet() == 0 && releaseCallback != null) { |
| releaseCallback.run(); |
| } |
| } |
| } |