| /** |
| * 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. |
| */ |
| #pragma once |
| |
| #include <pulsar/ConsumerConfiguration.h> // for ResultCallback |
| |
| #include <atomic> |
| #include <memory> |
| |
| namespace pulsar { |
| |
| class MultiResultCallback { |
| public: |
| MultiResultCallback(ResultCallback callback, int numToComplete) |
| : callback_(callback), |
| numToComplete_(numToComplete), |
| numCompletedPtr_(std::make_shared<std::atomic_int>(0)) {} |
| |
| void operator()(Result result) { |
| if (result == ResultOk) { |
| if (++(*numCompletedPtr_) == numToComplete_) { |
| callback_(result); |
| } |
| } else { |
| callback_(result); |
| } |
| } |
| |
| private: |
| ResultCallback callback_; |
| const int numToComplete_; |
| const std::shared_ptr<std::atomic_int> numCompletedPtr_; |
| }; |
| |
| } // namespace pulsar |