| /* |
| * 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 ROCKETMQ_PULLCALLBACK_H_ |
| #define ROCKETMQ_PULLCALLBACK_H_ |
| |
| #include "MQException.h" |
| #include "PullResult.h" |
| |
| namespace rocketmq { |
| |
| enum class PullCallbackType { kSimple, kAutoDelete }; |
| |
| /** |
| * PullCallback - callback interface for async pull |
| */ |
| class ROCKETMQCLIENT_API PullCallback { |
| public: |
| virtual ~PullCallback() = default; |
| |
| virtual void onSuccess(std::unique_ptr<PullResult> pull_result) = 0; |
| virtual void onException(MQException& e) noexcept = 0; |
| |
| virtual PullCallbackType getPullCallbackType() const { return PullCallbackType::kSimple; } |
| |
| public: |
| void invokeOnSuccess(std::unique_ptr<PullResult> pull_result) noexcept; |
| void invokeOnException(MQException& exception) noexcept; |
| }; |
| |
| /** |
| * AutoDeletePullCallback - callback interface for async pull |
| * |
| * the object of AutoDeletePullCallback will be deleted automatically by SDK after invoke callback interface |
| */ |
| class ROCKETMQCLIENT_API AutoDeletePullCallback : public PullCallback { |
| public: |
| PullCallbackType getPullCallbackType() const override final { return PullCallbackType::kAutoDelete; } |
| }; |
| |
| } // namespace rocketmq |
| |
| #endif // ROCKETMQ_PULLCALLBACK_H_ |