38 lines
929 B
C++
38 lines
929 B
C++
/*
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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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#pragma once
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#include <memory>
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#include <type_traits>
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#include <jni.h>
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#include <fb/Environment.h>
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namespace facebook {
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namespace jni {
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template<class T>
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struct LocalReferenceDeleter {
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static_assert(std::is_convertible<T, jobject>::value,
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"LocalReferenceDeleter<T> instantiated with type that is not convertible to jobject");
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void operator()(T localReference) {
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if (localReference != nullptr) {
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Environment::current()->DeleteLocalRef(localReference);
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}
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}
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};
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template<class T>
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using LocalReference =
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std::unique_ptr<typename std::remove_pointer<T>::type, LocalReferenceDeleter<T>>;
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} }
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