| #pragma once |
| |
| /** |
| * @file SupportedProperty.h |
| * ISupportedProperty, SupportedProperty, SuportedProperties classes declarations |
| * |
| * 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 <vector> |
| #include <set> |
| #include <codecvt> |
| |
| #include "core/ProcessContext.h" |
| |
| namespace org { |
| namespace apache { |
| namespace nifi { |
| namespace minifi { |
| namespace processors { |
| |
| struct ISupportedProperty { |
| void virtual Init(const std::shared_ptr<core::ProcessContext>& context) = 0; |
| }; |
| |
| class SupportedProperties { |
| std::vector<ISupportedProperty*> listISupportedProperty_; |
| std::vector<core::Property*> listProperties_; |
| |
| public: |
| void init(const std::shared_ptr<core::ProcessContext>& context) { |
| for (auto pProp : listISupportedProperty_) { |
| pProp->Init(context); |
| } |
| } |
| |
| std::set<core::Property> getProperties() const { |
| std::set<core::Property> ret; |
| for (auto pProperty : listProperties_) { |
| ret.insert(*pProperty); |
| } |
| return ret; |
| } |
| |
| SupportedProperties() = default; |
| |
| template <typename Arg, typename ...Args> |
| SupportedProperties(Arg& arg, Args&... args) { |
| add(arg, args...); |
| } |
| |
| private: |
| template <typename Arg> |
| void add(Arg& arg) { |
| listISupportedProperty_.emplace_back(&arg); |
| listProperties_.emplace_back(&arg); |
| } |
| |
| template <typename Arg, typename ...Args> |
| void add(Arg& arg, Args&... args) { |
| add(arg); |
| add(args...); |
| } |
| }; |
| |
| template <typename T> |
| class SupportedProperty : public ISupportedProperty, public core::Property { |
| T t_; |
| |
| public: |
| template <typename ...Args> |
| SupportedProperty(const Args& ...args): core::Property(args...) { |
| } |
| |
| void Init(const std::shared_ptr<core::ProcessContext>& context) override { |
| context->getProperty(getName(), t_); |
| } |
| |
| T value() { |
| return t_; |
| } |
| }; |
| |
| void SupportedProperty<std::wstring>::Init(const std::shared_ptr<core::ProcessContext>& context) { |
| std::string val; |
| context->getProperty(getName(), val); |
| |
| t_ = std::wstring_convert<std::codecvt_utf8<wchar_t>>().from_bytes(val); |
| }; |
| |
| } /* namespace processors */ |
| } /* namespace minifi */ |
| } /* namespace nifi */ |
| } /* namespace apache */ |
| } /* namespace org */ |