| /** |
| * 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. |
| */ |
| |
| #ifndef PULSAR_CPP_TABLEVIEW_IMPL_H |
| #define PULSAR_CPP_TABLEVIEW_IMPL_H |
| |
| #include <pulsar/Message.h> |
| #include <pulsar/TableView.h> |
| |
| #include <map> |
| |
| #include "Future.h" |
| #include "SynchronizedHashMap.h" |
| |
| namespace pulsar { |
| |
| class ClientImpl; |
| typedef std::shared_ptr<ClientImpl> ClientImplPtr; |
| |
| class TableViewImpl; |
| typedef std::shared_ptr<TableViewImpl> TableViewImplPtr; |
| |
| class ReaderImpl; |
| typedef std::shared_ptr<ReaderImpl> ReaderImplPtr; |
| |
| class TableViewImpl : public std::enable_shared_from_this<TableViewImpl> { |
| public: |
| TableViewImpl(ClientImplPtr client, const std::string& topic, const TableViewConfiguration& conf); |
| |
| ~TableViewImpl(){}; |
| |
| Future<Result, TableViewImplPtr> start(); |
| |
| bool retrieveValue(const std::string& key, std::string& value); |
| |
| bool getValue(const std::string& key, std::string& value) const; |
| |
| bool containsKey(const std::string& key) const; |
| |
| std::unordered_map<std::string, std::string> snapshot(); |
| |
| std::size_t size() const; |
| |
| void forEach(TableViewAction action); |
| |
| void forEachAndListen(TableViewAction action); |
| |
| void closeAsync(ResultCallback callback); |
| |
| private: |
| using MutexType = std::mutex; |
| using Lock = std::lock_guard<MutexType>; |
| |
| const ClientImplPtr client_; |
| const std::string topic_; |
| const TableViewConfiguration conf_; |
| ReaderImplPtr reader_; |
| |
| MutexType listenersMutex_; |
| std::vector<TableViewAction> listeners_; |
| SynchronizedHashMap<std::string, std::string> data_; |
| |
| void handleMessage(const Message& msg); |
| void readAllExistingMessages(Promise<Result, TableViewImplPtr> promise, long startTime, |
| long messagesRead); |
| void readTailMessage(); |
| }; |
| } // namespace pulsar |
| |
| #endif // PULSAR_CPP_TABLEVIEW_IMPL_H |