| /** |
| * |
| * 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 "ExecuteJavaControllerService.h" |
| |
| #include <regex> |
| #include <memory> |
| #include <algorithm> |
| #include <cctype> |
| #include <cstdint> |
| #include <cstring> |
| #include <iostream> |
| #include <iterator> |
| #include <map> |
| #include <set> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include "core/FlowFile.h" |
| #include "core/logging/Logger.h" |
| #include "core/ProcessContext.h" |
| #include "core/Relationship.h" |
| #include "ResourceClaim.h" |
| #include "utils/StringUtils.h" |
| #include "utils/ByteArrayCallback.h" |
| #include "jvm/JniMethod.h" |
| |
| namespace org { |
| namespace apache { |
| namespace nifi { |
| namespace minifi { |
| namespace jni { |
| namespace controllers { |
| |
| core::Property ExecuteJavaControllerService::NiFiControllerService( |
| core::PropertyBuilder::createProperty("NiFi Controller Service")->withDescription("Name of NiFi Controller Service to load and run")->isRequired(true)->withDefaultValue<std::string>("")->build()); |
| |
| const char *ExecuteJavaControllerService::ProcessorName = "ExecuteJavaControllerService"; |
| |
| void ExecuteJavaControllerService::initialize() { |
| logger_->log_info("Initializing ExecuteJavaControllerService"); |
| // Set the supported properties |
| std::string existingValue; |
| getProperty(NiFiControllerService.getName(), existingValue); |
| std::set<core::Property> properties; |
| properties.insert(NiFiControllerService); |
| setSupportedProperties(properties); |
| setAcceptAllProperties(); |
| |
| if (!existingValue.empty()) { |
| setProperty(NiFiControllerService, existingValue); |
| } |
| |
| } |
| |
| ExecuteJavaControllerService::~ExecuteJavaControllerService() = default; |
| |
| void ExecuteJavaControllerService::onEnable() { |
| std::string controller_service_name; |
| |
| auto serv_cs = JVMLoader::getInstance()->getBaseServicer(); |
| java_servicer_ = std::static_pointer_cast<controllers::JavaControllerService>(serv_cs); |
| if (serv_cs == nullptr) |
| throw std::runtime_error("Could not load controller service"); |
| |
| if (!getProperty(NiFiControllerService.getName(), class_name_)) { |
| throw std::runtime_error("NiFi Controller Service must be defined"); |
| } |
| |
| auto env = java_servicer_->attach(); |
| |
| ClassRegistrar::getRegistrar().registerClasses(env, java_servicer_, "org/apache/nifi/processor/JniConfigurationContext", getJniConfigurationContext()); |
| ClassRegistrar::getRegistrar().registerClasses(env, java_servicer_, "org/apache/nifi/processor/JniInitializationContext", getJniInitializationContextSignatures()); |
| config_context_.service_reference_ = shared_from_this(); |
| |
| contextInstance = java_servicer_->newInstance("org.apache.nifi.processor.JniConfigurationContext"); |
| |
| java_servicer_->setReference<minifi::jni::JniConfigurationContext>(env, contextInstance, &config_context_); |
| |
| clazzInstance = java_servicer_->newInstance(class_name_); |
| |
| auto methods_with_signatures = java_servicer_->getAnnotations(class_name_, "OnEnabled"); |
| current_cs_class = java_servicer_->getObjectClass(class_name_, clazzInstance); |
| try { |
| for (const auto &mwithsig : methods_with_signatures) { |
| current_cs_class.callVoidMethod(env, clazzInstance, mwithsig.first, mwithsig.second, contextInstance); |
| } |
| } catch (std::runtime_error &re) { |
| // this can be ignored. |
| } |
| |
| } |
| |
| } /* namespace controllers */ |
| } /* namespace jni */ |
| } /* namespace minifi */ |
| } /* namespace nifi */ |
| } /* namespace apache */ |
| } /* namespace org */ |
| |