| /* |
| * Copyright 2015 Twitter, Inc. |
| * |
| * Licensed 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 SRC_CPP_SVCS_STMGR_SRC_GROUPING_FIELDS_GROUPING_H_ |
| #define SRC_CPP_SVCS_STMGR_SRC_GROUPING_FIELDS_GROUPING_H_ |
| |
| #include <functional> |
| #include <vector> |
| #include "grouping/grouping.h" |
| #include "proto/messages.h" |
| #include "basics/basics.h" |
| |
| namespace heron { |
| namespace stmgr { |
| |
| class FieldsGrouping : public Grouping { |
| public: |
| FieldsGrouping(const proto::api::InputStream& _is, const proto::api::StreamSchema& _schema, |
| const std::vector<sp_int32>& _task_ids); |
| virtual ~FieldsGrouping(); |
| |
| virtual void GetListToSend(const proto::system::HeronDataTuple& _tuple, |
| std::vector<sp_int32>& _return); |
| |
| private: |
| std::vector<sp_int32> fields_grouping_indices_; |
| std::hash<sp_string> str_hash_fn; |
| }; |
| |
| } // namespace stmgr |
| } // namespace heron |
| |
| #endif // SRC_CPP_SVCS_STMGR_SRC_GROUPING_FIELDS_GROUPING_H_ |