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42eb5464fd
This is an early release and there are several things that are known not to work if you're porting your iOS app to Android. See the Known Issues guide on the website. We will work with the community to reach platform parity with iOS.
51 lines
1.7 KiB
Java
51 lines
1.7 KiB
Java
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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package com.facebook.jni;
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import com.facebook.proguard.annotations.DoNotStrip;
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/**
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* This object holds a native C++ member for hybrid Java/C++ objects.
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*
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* NB: THREAD SAFETY
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*
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* {@link #dispose} deletes the corresponding native object on whatever thread
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* the method is called on. In the common case when this is called by
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* HybridData#finalize(), this will be called on the system finalizer
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* thread. If you manually call resetNative() on the Java object, the C++
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* object will be deleted synchronously on that thread.
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*/
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@DoNotStrip
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public class HybridData {
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// Private C++ instance
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@DoNotStrip
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private long mNativePointer = 0;
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public HybridData() {
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Prerequisites.ensure();
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}
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/**
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* To explicitly delete the instance, call resetNative(). If the C++
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* instance is referenced after this is called, a NullPointerException will
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* be thrown. resetNative() may be called multiple times safely. Because
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* {@link #finalize} calls resetNative, the instance will not leak if this is
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* not called, but timing of deletion and the thread the C++ dtor is called
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* on will be at the whim of the Java GC. If you want to control the thread
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* and timing of the destructor, you should call resetNative() explicitly.
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*/
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public native void resetNative();
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protected void finalize() throws Throwable {
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resetNative();
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super.finalize();
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}
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}
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