| /** |
| * 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 EXTENSIONS_EXPRESSION_LANGUAGE_EXPRESSIONCONTEXTBUILDER_H_ |
| #define EXTENSIONS_EXPRESSION_LANGUAGE_EXPRESSIONCONTEXTBUILDER_H_ |
| |
| #include "core/ProcessContextBuilder.h" |
| #include "ProcessContextExpr.h" |
| |
| namespace org { |
| namespace apache { |
| namespace nifi { |
| namespace minifi { |
| namespace core { |
| namespace expressions { |
| |
| /** |
| * Purpose: Creates a context builder that can be used by the class loader to inject EL functionality |
| * |
| * Justification: Linking became problematic across platforms since EL was used as a carrier of what was |
| * effectively core functionality. To eliminate this awkward linking and help with disabling EL entirely |
| * on some platforms, this builder was placed into the class loader. |
| */ |
| class ExpressionContextBuilder : public core::ProcessContextBuilder { |
| public: |
| ExpressionContextBuilder(const std::string &name, minifi::utils::Identifier &uuid); |
| |
| ExpressionContextBuilder(const std::string &name); |
| |
| virtual ~ExpressionContextBuilder(); |
| |
| virtual std::shared_ptr<core::ProcessContext> build(const std::shared_ptr<ProcessorNode> &processor) override; |
| }; |
| |
| } /* namespace expressions */ |
| } /* namespace core */ |
| } /* namespace minifi */ |
| } /* namespace nifi */ |
| } /* namespace apache */ |
| } /* namespace org */ |
| |
| #endif /* EXTENSIONS_EXPRESSION_LANGUAGE_EXPRESSIONCONTEXTBUILDER_H_ */ |