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