WeakPointerCache.h

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/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *     http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file 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 ACSDKMANUFACTORY_INTERNAL_WEAKPOINTERCACHE_H_
#define ACSDKMANUFACTORY_INTERNAL_WEAKPOINTERCACHE_H_

#include "acsdkManufactory/internal/AbstractPointerCache.h"
#include "acsdkManufactory/internal/AbstractRecipe.h"

namespace alexaClientSDK {
namespace acsdkManufactory {
namespace internal {

class WeakPointerCache : public AbstractPointerCache {
public:
    WeakPointerCache(std::shared_ptr<AbstractRecipe> recipe);

    ~WeakPointerCache();

    void* get(RuntimeManufactory& runtimeManufactory) override;
    void cleanup() override;

private:
    std::shared_ptr<AbstractRecipe> m_recipe;

    AbstractRecipe::ProduceInstanceFunction m_produceInstance;

    std::weak_ptr<void> m_cachedValue;

    void* m_temporaryCachedValue;
};

}  // namespace internal
}  // namespace acsdkManufactory
}  // namespace alexaClientSDK

#endif  // ACSDKMANUFACTORY_INTERNAL_WEAKPOINTERCACHE_H_