| /** |
| * |
| * 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 <vector> |
| |
| #include <soci/soci.h> |
| |
| #include "SQLRowSubscriber.h" |
| |
| namespace org { |
| namespace apache { |
| namespace nifi { |
| namespace minifi { |
| namespace sql { |
| |
| class SQLRowsetProcessor |
| { |
| public: |
| SQLRowsetProcessor(const soci::rowset<soci::row>& rowset, const std::vector<SQLRowSubscriber*>& rowSubscribers); |
| |
| size_t process(size_t max); |
| |
| private: |
| void addRow(const soci::row& row, size_t rowCount); |
| |
| template <typename T> |
| void processColumn(const std::string& name, const T& value) const { |
| for (const auto& pRowSubscriber: rowSubscribers_) { |
| pRowSubscriber->processColumn(name, value); |
| } |
| } |
| |
| private: |
| size_t totalCount_{}; |
| soci::rowset<soci::row>::const_iterator iter_; |
| soci::rowset<soci::row> rowset_; |
| std::vector<SQLRowSubscriber*> rowSubscribers_; |
| }; |
| |
| } /* namespace sql */ |
| } /* namespace minifi */ |
| } /* namespace nifi */ |
| } /* namespace apache */ |
| } /* namespace org */ |
| |