NearCacheManager.h

/*
 * Copyright (c) 2008-2017, Hazelcast, Inc. 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.
 * 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 HAZELCAST_CLIENT_INTERNAL_NEARCACHE_NEARCACHEMANAGER_H_
#define HAZELCAST_CLIENT_INTERNAL_NEARCACHE_NEARCACHEMANAGER_H_

#include <string>
#include <vector>

#include "hazelcast/util/HazelcastDll.h"
#include "hazelcast/client/internal/nearcache/NearCache.h"
#include "hazelcast/client/internal/nearcache/impl/DefaultNearCache.h"
#include "hazelcast/client/internal/adapter/DataStructureAdapter.h"
#include "hazelcast/client/serialization/pimpl/SerializationService.h"

#if  defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
#pragma warning(push)
#pragma warning(disable: 4251) //for dll export
#endif

namespace hazelcast {
    namespace client {
        namespace internal {
            namespace nearcache {
                class HAZELCAST_API NearCacheManager {
                public:
                    NearCacheManager(serialization::pimpl::SerializationService &ss)
                            : serializationService(ss) {
                    }

                    template<typename K, typename V, typename KS>
                    boost::shared_ptr<NearCache<KS, V> > getNearCache(const std::string &name) {
                        return boost::static_pointer_cast<NearCache<KS, V> >(nearCacheMap.get(name));
                    };

                    template<typename K, typename V, typename KS>
                    boost::shared_ptr<NearCache<KS, V> > getOrCreateNearCache(
                            const std::string &name, const config::NearCacheConfig<K, V> &nearCacheConfig,
                            std::auto_ptr<adapter::DataStructureAdapter<K, V> > &dataStructureAdapter) {
                        boost::shared_ptr<BaseNearCache> nearCache = nearCacheMap.get(name);
                        if (NULL == nearCache.get()) {
                            {
                                util::LockGuard guard(mutex);
                                nearCache = nearCacheMap.get(name);
                                if (NULL == nearCache.get()) {
                                    nearCache = createNearCache<K, V, KS>(name, nearCacheConfig);
                                    nearCache->initialize();

                                    nearCacheMap.put(name, nearCache);
                                }

                            }
                        }
                        return boost::static_pointer_cast<NearCache<KS, V> >(nearCache);
                    }

/*
                    virtual std::vector<boost::shared_ptr<NearCache<K, V> > > listAllNearCaches() const = 0;
*/

                    bool clearNearCache(const std::string &name) {
                        boost::shared_ptr<BaseNearCache> nearCache = nearCacheMap.get(name);
                        if (nearCache.get() != NULL) {
                            nearCache->clear();
                        }
                        return nearCache.get() != NULL;
                    }

                    void clearAllNearCaches() {
                        std::vector<boost::shared_ptr<BaseNearCache> > caches = nearCacheMap.values();
                        for (std::vector<boost::shared_ptr<BaseNearCache> >::iterator it = caches.begin();
                             it != caches.end(); ++it) {
                            (*it)->clear();
                        }
                    }

                    bool destroyNearCache(const std::string &name) {
                        boost::shared_ptr<BaseNearCache> nearCache = nearCacheMap.remove(name);
                        if (nearCache.get() != NULL) {
                            nearCache->destroy();
                        }
                        return nearCache.get() != NULL;
                    }

                    void destroyAllNearCaches() {
                        std::vector<boost::shared_ptr<BaseNearCache> > caches = nearCacheMap.values();
                        for (std::vector<boost::shared_ptr<BaseNearCache> >::iterator it = caches.begin();
                             it != caches.end(); ++it) {
                            (*it)->destroy();
                        }
                    }
                protected:
                    template<typename K, typename V, typename KS>
                    std::auto_ptr<NearCache<KS, V> > createNearCache(
                            const std::string &name, const config::NearCacheConfig<K, V> &nearCacheConfig) {
                        return std::auto_ptr<NearCache<KS, V> >(
                                new impl::DefaultNearCache<K, V, KS>(
                                        name, nearCacheConfig, serializationService));
                    }
                private:
                    serialization::pimpl::SerializationService &serializationService;
                    util::SynchronizedMap<std::string, BaseNearCache> nearCacheMap;
                    util::Mutex mutex;
                };
            }
        }
    }
};

#if  defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
#pragma warning(pop)
#endif

#endif /* HAZELCAST_CLIENT_INTERNAL_NEARCACHE_NEARCACHEMANAGER_H_ */