1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef KVSTORE_OBSERVER_IMPL_H 17 #define KVSTORE_OBSERVER_IMPL_H 18 19 #include "ikvstore.h" 20 #include "ikvstore_observer.h" 21 #include "kv_store_delegate.h" 22 #include "types.h" 23 24 namespace OHOS { 25 namespace DistributedKv { 26 27 class KvStoreObserverImpl : public DistributedDB::KvStoreObserver { 28 public: 29 KvStoreObserverImpl(SubscribeType subscribeType, sptr<IKvStoreObserver> observerProxy); 30 31 virtual ~KvStoreObserverImpl(); 32 33 // Database change callback 34 void OnChange(const DistributedDB::KvStoreChangedData &data) override; 35 36 SubscribeType GetSubscribeType() const; 37 sptr<IKvStoreObserver> GetKvStoreObserverProxy() const; 38 39 private: 40 SubscribeType subscribeType_; 41 sptr<IKvStoreObserver> observerProxy_; 42 }; 43 44 } // namespace DistributedKv 45 } // namespace OHOS 46 47 #endif // KVSTORE_OBSERVER_IMPL_H 48