| /** |
| * 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 HERON_INSTANCE_BOLT_BOLT_OUTPUT_COLLECTOR_IMPL_H_ |
| #define HERON_INSTANCE_BOLT_BOLT_OUTPUT_COLLECTOR_IMPL_H_ |
| |
| #include <map> |
| #include <list> |
| #include <string> |
| #include <memory> |
| #include <random> |
| #include <vector> |
| #include "proto/messages.h" |
| #include "network/network.h" |
| #include "basics/basics.h" |
| |
| #include "utils/notifying-communicator.h" |
| #include "bolt/ibolt-output-collector.h" |
| #include "serializer/ipluggable-serializer.h" |
| #include "slave/task-context-impl.h" |
| #include "slave/outgoing-tuple-collection.h" |
| #include "boltimpl/bolt-metrics.h" |
| |
| namespace heron { |
| namespace instance { |
| |
| class BoltOutputCollectorImpl : public api::bolt::IBoltOutputCollector { |
| public: |
| BoltOutputCollectorImpl(std::shared_ptr<api::serializer::IPluggableSerializer> serializer, |
| std::shared_ptr<TaskContextImpl> taskContext, |
| NotifyingCommunicator<google::protobuf::Message*>* dataFromSlave, |
| std::shared_ptr<BoltMetrics> metrics); |
| virtual ~BoltOutputCollectorImpl(); |
| |
| virtual void reportError(std::exception& except); |
| |
| void sendOutTuples() { collector_->sendOutTuples(); } |
| |
| virtual void ack(std::shared_ptr<api::tuple::Tuple> tuple); |
| virtual void fail(std::shared_ptr<api::tuple::Tuple> tuple); |
| |
| protected: |
| virtual void emitInternal(const std::string& streamid, |
| std::list<std::shared_ptr<api::tuple::Tuple>>& anchors, |
| const std::vector<std::string>& tup); |
| |
| private: |
| // The collector that actually holds the tuples |
| OutgoingTupleCollection* collector_; |
| // Metrics |
| std::shared_ptr<BoltMetrics> metrics_; |
| |
| // For generating random keys |
| std::default_random_engine generator_; |
| std::uniform_int_distribution<int64_t> distribution_; |
| |
| int taskId_; |
| bool ackingEnabled_; |
| }; |
| |
| } // namespace instance |
| } // namespace heron |
| |
| #endif // HERON_INSTANCE_BOLT_BOLT_OUTPUT_COLLECTOR_IMPL_H_ |