| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| #pragma once |
| |
| #ifndef GEODE_MAPENTRYIMPL_H_ |
| #define GEODE_MAPENTRYIMPL_H_ |
| |
| #include <atomic> |
| #include <memory> |
| #include <utility> |
| |
| #include <geode/CacheableKey.hpp> |
| #include <geode/Serializable.hpp> |
| #include <geode/internal/geode_globals.hpp> |
| |
| #include "CacheableToken.hpp" |
| #include "MapEntry.hpp" |
| #include "RegionInternal.hpp" |
| #include "VersionStamp.hpp" |
| |
| namespace apache { |
| namespace geode { |
| namespace client { |
| |
| class CacheImpl; |
| class ExpEntryProperties; |
| class ExpiryTaskManager; |
| class LRUEntryProperties; |
| |
| /** |
| * @brief Hold region mapped entry value. subclass will hold lru flags. |
| * Another holds expiration timestamps. |
| */ |
| class MapEntryImpl : public MapEntry, |
| public std::enable_shared_from_this<MapEntryImpl> { |
| public: |
| ~MapEntryImpl() override = default; |
| MapEntryImpl(const MapEntryImpl&) = delete; |
| MapEntryImpl& operator=(const MapEntryImpl&) = delete; |
| |
| inline void getKeyI(std::shared_ptr<CacheableKey>& result) const { |
| result = m_key; |
| } |
| |
| inline void getValueI(std::shared_ptr<Cacheable>& result) const { |
| // If value is destroyed, then this returns nullptr |
| if (CacheableToken::isDestroyed(m_value)) { |
| result = nullptr; |
| } else { |
| result = m_value; |
| } |
| } |
| |
| inline void setValueI(const std::shared_ptr<Cacheable>& value) { |
| m_value = value; |
| } |
| |
| void getKey(std::shared_ptr<CacheableKey>& result) const override { |
| getKeyI(result); |
| } |
| |
| void getValue(std::shared_ptr<Cacheable>& result) const override { |
| getValueI(result); |
| } |
| |
| void setValue(const std::shared_ptr<Cacheable>& value) override { |
| setValueI(value); |
| } |
| |
| std::shared_ptr<MapEntryImpl> getImplPtr() override { |
| return shared_from_this(); |
| } |
| |
| LRUEntryProperties& getLRUProperties() override; |
| |
| ExpEntryProperties& getExpProperties() override; |
| |
| VersionStamp& getVersionStamp() override; |
| |
| void cleanup(const CacheEventFlags) override {} |
| |
| protected: |
| inline explicit MapEntryImpl(bool) : MapEntry(true) {} |
| |
| inline explicit MapEntryImpl(const std::shared_ptr<CacheableKey>& key) |
| : MapEntry(), m_key(key) {} |
| |
| std::shared_ptr<Cacheable> m_value; |
| std::shared_ptr<CacheableKey> m_key; |
| }; |
| |
| class APACHE_GEODE_EXPORT VersionedMapEntryImpl : public MapEntryImpl, |
| public VersionStamp { |
| public: |
| ~VersionedMapEntryImpl() override = default; |
| |
| VersionStamp& getVersionStamp() override { return *this; } |
| |
| protected: |
| inline explicit VersionedMapEntryImpl(bool) : MapEntryImpl(true) {} |
| |
| inline explicit VersionedMapEntryImpl( |
| const std::shared_ptr<CacheableKey>& key) |
| : MapEntryImpl(key) {} |
| |
| private: |
| // disabled |
| VersionedMapEntryImpl(const VersionedMapEntryImpl&); |
| VersionedMapEntryImpl& operator=(const VersionedMapEntryImpl&); |
| }; |
| |
| class APACHE_GEODE_EXPORT EntryFactory { |
| public: |
| explicit EntryFactory(const bool concurrencyChecksEnabled) |
| : m_concurrencyChecksEnabled(concurrencyChecksEnabled) {} |
| |
| virtual ~EntryFactory() {} |
| |
| virtual void newMapEntry(ExpiryTaskManager* expiryTaskManager, |
| const std::shared_ptr<CacheableKey>& key, |
| std::shared_ptr<MapEntryImpl>& result) const; |
| |
| protected: |
| bool m_concurrencyChecksEnabled; |
| }; |
| } // namespace client |
| } // namespace geode |
| } // namespace apache |
| |
| #endif // GEODE_MAPENTRYIMPL_H_ |