61db3fd77f
Replaces lock-based implementation with AtomicInteger. Bug: webrtc:7749 Change-Id: I226093b0af2090c080dfd4f87ed8f33a3f9efbd8 Reviewed-on: https://webrtc-review.googlesource.com/64162 Commit-Queue: Sami Kalliomäki <sakal@webrtc.org> Reviewed-by: Magnus Jedvert <magjed@webrtc.org> Cr-Commit-Position: refs/heads/master@{#22798}
42 lines
1.2 KiB
Java
42 lines
1.2 KiB
Java
/*
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* Copyright 2018 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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package org.webrtc;
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import java.util.concurrent.atomic.AtomicInteger;
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import javax.annotation.Nullable;
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/**
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* Implementation of RefCounted that executes a Runnable once the ref count reaches zero.
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*/
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class RefCountDelegate implements RefCounted {
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private final AtomicInteger refCount = new AtomicInteger(1);
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private final @Nullable Runnable releaseCallback;
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/**
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* @param releaseCallback Callback that will be executed once the ref count reaches zero.
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*/
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public RefCountDelegate(@Nullable Runnable releaseCallback) {
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this.releaseCallback = releaseCallback;
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}
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@Override
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public void retain() {
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refCount.incrementAndGet();
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}
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@Override
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public void release() {
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if (refCount.decrementAndGet() == 0 && releaseCallback != null) {
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releaseCallback.run();
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}
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}
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}
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