adamdebreceni commented on a change in pull request #1242: URL: https://github.com/apache/nifi-minifi-cpp/pull/1242#discussion_r790701983
########## File path: extensions/azure/processors/ListAzureDataLakeStorage.cpp ########## @@ -0,0 +1,157 @@ +/** + * @file ListAzureDataLakeStorage.cpp + * ListAzureDataLakeStorage class implementation + * + * 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 "ListAzureDataLakeStorage.h" + +#include "utils/ProcessorConfigUtils.h" +#include "core/Resource.h" + +namespace org::apache::nifi::minifi::azure::processors { + +const core::Property ListAzureDataLakeStorage::RecurseSubdirectories( + core::PropertyBuilder::createProperty("Recurse Subdirectories") + ->isRequired(true) + ->withDefaultValue<bool>(true) + ->withDescription("Indicates whether to list files from subdirectories of the directory") + ->build()); + +const core::Property ListAzureDataLakeStorage::FileFilter( + core::PropertyBuilder::createProperty("File Filter") + ->withDescription("Only files whose names match the given regular expression will be listed") + ->build()); + +const core::Property ListAzureDataLakeStorage::PathFilter( + core::PropertyBuilder::createProperty("Path Filter") + ->withDescription("When 'Recurse Subdirectories' is true, then only subdirectories whose paths match the given regular expression will be scanned") + ->build()); + +const core::Property ListAzureDataLakeStorage::ListingStrategy( + core::PropertyBuilder::createProperty("Listing Strategy") + ->withDescription("Specify how to determine new/updated entities. If 'timestamps' is selected it tracks the latest timestamp of listed entity to " + "determine new/updated entities. If 'none' is selected it lists an entity without any tracking, the same entity will be listed each time on executing this processor.") + ->withDefaultValue<std::string>(toString(storage::EntityTracking::TIMESTAMPS)) + ->withAllowableValues<std::string>(storage::EntityTracking::values()) + ->build()); + +const core::Relationship ListAzureDataLakeStorage::Success("success", "All FlowFiles that are received are routed to success"); + +void ListAzureDataLakeStorage::initialize() { + // Set supported properties + setSupportedProperties({ + AzureStorageCredentialsService, + FilesystemName, + DirectoryName, + RecurseSubdirectories, + FileFilter, + PathFilter, + ListingStrategy + }); + // Set the supported relationships + setSupportedRelationships({ + Success + }); +} + +void ListAzureDataLakeStorage::onSchedule(const std::shared_ptr<core::ProcessContext>& context, const std::shared_ptr<core::ProcessSessionFactory>& sessionFactory) { + AzureDataLakeStorageProcessorBase::onSchedule(context, sessionFactory); + + auto state_manager = context->getStateManager(); + if (state_manager == nullptr) { + throw Exception(PROCESSOR_EXCEPTION, "Failed to get StateManager"); + } + state_manager_ = std::make_unique<minifi::utils::ListingStateManager>(state_manager); + + auto params = buildListParameters(*context); + if (!params) { + throw Exception(PROCESS_SCHEDULE_EXCEPTION, "Required parameters for ListAzureDataLakeStorage processor are missing or invalid"); + } + + list_parameters_ = *params; + tracking_strategy_ = storage::EntityTracking::parse( + utils::parsePropertyWithAllowableValuesOrThrow(*context, ListingStrategy.getName(), storage::EntityTracking::values()).c_str()); Review comment: `parseEnumProperty` could be used here -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
