| /** |
| * 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 "ProcessContextExpr.h" |
| #include <memory> |
| namespace org { |
| namespace apache { |
| namespace nifi { |
| namespace minifi { |
| namespace core { |
| |
| bool ProcessContextExpr::getProperty(const Property &property, std::string &value, const std::shared_ptr<FlowFile> &flow_file) { |
| if (!property.supportsExpressionLangauge()) { |
| return ProcessContext::getProperty(property.getName(), value); |
| } |
| auto name = property.getName(); |
| if (expressions_.find(name) == expressions_.end()) { |
| std::string expression_str; |
| if (!ProcessContext::getProperty(name, expression_str)) { |
| return false; |
| } |
| logger_->log_debug("Compiling expression for %s/%s: %s", getProcessorNode()->getName(), name, expression_str); |
| expressions_.emplace(name, expression::compile(expression_str)); |
| } |
| |
| minifi::expression::Parameters p(shared_from_this(), flow_file); |
| value = expressions_[name](p).asString(); |
| return true; |
| } |
| |
| bool ProcessContextExpr::getDynamicProperty(const Property &property, std::string &value, const std::shared_ptr<FlowFile> &flow_file) { |
| |
| if (!property.supportsExpressionLangauge()) { |
| return ProcessContext::getDynamicProperty(property.getName(), value); |
| } |
| auto name = property.getName(); |
| if (dynamic_property_expressions_.find(name) == dynamic_property_expressions_.end()) { |
| std::string expression_str; |
| ProcessContext::getDynamicProperty(name, expression_str); |
| logger_->log_debug("Compiling expression for %s/%s: %s", getProcessorNode()->getName(), name, expression_str); |
| dynamic_property_expressions_.emplace(name, expression::compile(expression_str)); |
| } |
| minifi::expression::Parameters p(shared_from_this(), flow_file); |
| value = dynamic_property_expressions_[name](p).asString(); |
| return true; |
| } |
| |
| } /* namespace core */ |
| } /* namespace minifi */ |
| } /* namespace nifi */ |
| } /* namespace apache */ |
| } /* namespace org */ |