| /** |
| * 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. |
| */ |
| |
| #include <pulsar/Reader.h> |
| |
| #include "Future.h" |
| #include "Utils.h" |
| #include "ReaderImpl.h" |
| |
| namespace pulsar { |
| |
| static const std::string EMPTY_STRING; |
| |
| Reader::Reader() : impl_() {} |
| |
| Reader::Reader(ReaderImplPtr impl) : impl_(impl) {} |
| |
| const std::string& Reader::getTopic() const { return impl_ != NULL ? impl_->getTopic() : EMPTY_STRING; } |
| |
| Result Reader::readNext(Message& msg) { |
| if (!impl_) { |
| return ResultConsumerNotInitialized; |
| } |
| |
| return impl_->readNext(msg); |
| } |
| |
| Result Reader::readNext(Message& msg, int timeoutMs) { |
| if (!impl_) { |
| return ResultConsumerNotInitialized; |
| } |
| |
| return impl_->readNext(msg, timeoutMs); |
| } |
| |
| Result Reader::close() { |
| Promise<bool, Result> promise; |
| closeAsync(WaitForCallback(promise)); |
| |
| Result result; |
| promise.getFuture().get(result); |
| return result; |
| } |
| |
| void Reader::closeAsync(ResultCallback callback) { |
| if (!impl_) { |
| callback(ResultConsumerNotInitialized); |
| return; |
| } |
| |
| impl_->closeAsync(callback); |
| } |
| |
| void Reader::hasMessageAvailableAsync(HasMessageAvailableCallback callback) { |
| if (!impl_) { |
| callback(ResultConsumerNotInitialized, false); |
| return; |
| } |
| |
| impl_->hasMessageAvailableAsync(callback); |
| } |
| |
| Result Reader::hasMessageAvailable(bool& hasMessageAvailable) { |
| Promise<Result, bool> promise; |
| |
| hasMessageAvailableAsync(WaitForCallbackValue<bool>(promise)); |
| return promise.getFuture().get(hasMessageAvailable); |
| } |
| |
| void Reader::seekAsync(const MessageId& msgId, ResultCallback callback) { |
| if (!impl_) { |
| callback(ResultConsumerNotInitialized); |
| return; |
| } |
| impl_->seekAsync(msgId, callback); |
| } |
| |
| void Reader::seekAsync(uint64_t timestamp, ResultCallback callback) { |
| if (!impl_) { |
| callback(ResultConsumerNotInitialized); |
| return; |
| } |
| impl_->seekAsync(timestamp, callback); |
| } |
| |
| Result Reader::seek(const MessageId& msgId) { |
| Promise<bool, Result> promise; |
| impl_->seekAsync(msgId, WaitForCallback(promise)); |
| Result result; |
| promise.getFuture().get(result); |
| return result; |
| } |
| |
| Result Reader::seek(uint64_t timestamp) { |
| Promise<bool, Result> promise; |
| impl_->seekAsync(timestamp, WaitForCallback(promise)); |
| Result result; |
| promise.getFuture().get(result); |
| return result; |
| } |
| |
| bool Reader::isConnected() const { return impl_ && impl_->isConnected(); } |
| |
| void Reader::getLastMessageIdAsync(GetLastMessageIdCallback callback) { |
| if (!impl_) { |
| callback(ResultConsumerNotInitialized, MessageId()); |
| return; |
| } |
| impl_->getLastMessageIdAsync(callback); |
| } |
| |
| Result Reader::getLastMessageId(MessageId& messageId) { |
| Promise<Result, MessageId> promise; |
| |
| getLastMessageIdAsync(WaitForCallbackValue<MessageId>(promise)); |
| return promise.getFuture().get(messageId); |
| } |
| |
| } // namespace pulsar |