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66 lines
1.7 KiB
66 lines
1.7 KiB
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_RUNTIME_HANDLE_WRAPPER_H_
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#define ART_RUNTIME_HANDLE_WRAPPER_H_
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#include "handle.h"
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#include "obj_ptr.h"
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namespace art {
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// A wrapper which wraps around Object** and restores the pointer in the destructor.
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// TODO: Delete
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template<class T>
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class HandleWrapper : public MutableHandle<T> {
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public:
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HandleWrapper(T** obj, const MutableHandle<T>& handle)
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: MutableHandle<T>(handle), obj_(obj) {
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}
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HandleWrapper(const HandleWrapper&) = default;
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~HandleWrapper() {
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*obj_ = MutableHandle<T>::Get();
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}
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private:
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T** const obj_;
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};
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// A wrapper which wraps around ObjPtr<Object>* and restores the pointer in the destructor.
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// TODO: Add more functionality.
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template<class T>
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class HandleWrapperObjPtr : public MutableHandle<T> {
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public:
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HandleWrapperObjPtr(ObjPtr<T>* obj, const MutableHandle<T>& handle)
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: MutableHandle<T>(handle), obj_(obj) {}
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HandleWrapperObjPtr(const HandleWrapperObjPtr&) = default;
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~HandleWrapperObjPtr() {
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*obj_ = MutableHandle<T>::Get();
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}
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private:
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ObjPtr<T>* const obj_;
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};
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} // namespace art
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#endif // ART_RUNTIME_HANDLE_WRAPPER_H_
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