| /** |
| * 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. |
| */ |
| |
| #include <ProcessContext.h> |
| #include <memory> |
| #include <impl/expression/Expression.h> |
| |
| namespace org { |
| namespace apache { |
| namespace nifi { |
| namespace minifi { |
| namespace core { |
| |
| /** |
| * Purpose and Justification: Used to inject EL functionality into the classloader and remove EL as |
| * a core functionality. This created linking issues as it was always required even in a disabled |
| * state. With this case, we can rely on instantiation of a builder to create the necessary |
| * ProcessContext. * |
| */ |
| class ProcessContextExpr : public core::ProcessContext { |
| public: |
| |
| /** |
| std::forward of argument list did not work on all platform. |
| **/ |
| ProcessContextExpr(const std::shared_ptr<ProcessorNode> &processor, std::shared_ptr<controller::ControllerServiceProvider> &controller_service_provider, |
| const std::shared_ptr<core::Repository> &repo, const std::shared_ptr<core::Repository> &flow_repo, |
| const std::shared_ptr<core::ContentRepository> &content_repo = std::make_shared<core::repository::FileSystemRepository>()) |
| : core::ProcessContext(processor, controller_service_provider, repo, flow_repo, content_repo), |
| logger_(logging::LoggerFactory<ProcessContextExpr>::getLogger()) { |
| } |
| |
| ProcessContextExpr(const std::shared_ptr<ProcessorNode> &processor, std::shared_ptr<controller::ControllerServiceProvider> &controller_service_provider, |
| const std::shared_ptr<core::Repository> &repo, const std::shared_ptr<core::Repository> &flow_repo, const std::shared_ptr<minifi::Configure> &configuration, |
| const std::shared_ptr<core::ContentRepository> &content_repo = std::make_shared<core::repository::FileSystemRepository>()) |
| : core::ProcessContext(processor, controller_service_provider, repo, flow_repo, configuration, content_repo), |
| logger_(logging::LoggerFactory<ProcessContextExpr>::getLogger()) { |
| } |
| // Destructor |
| virtual ~ProcessContextExpr() = default; |
| /** |
| * Retrieves property using EL |
| * @param property property |
| * @param value that will be filled |
| * @param flow_file flow file. |
| */ |
| virtual bool getProperty(const Property &property, std::string &value, const std::shared_ptr<FlowFile> &flow_file) override; |
| |
| virtual bool getDynamicProperty(const Property &property, std::string &value, const std::shared_ptr<FlowFile> &flow_file) override; |
| protected: |
| |
| std::map<std::string, org::apache::nifi::minifi::expression::Expression> expressions_; |
| std::map<std::string, org::apache::nifi::minifi::expression::Expression> dynamic_property_expressions_; |
| |
| private: |
| std::shared_ptr<logging::Logger> logger_; |
| }; |
| |
| } /* namespace core */ |
| } /* namespace minifi */ |
| } /* namespace nifi */ |
| } /* namespace apache */ |
| } /* namespace org */ |