adamdebreceni commented on code in PR #1297: URL: https://github.com/apache/nifi-minifi-cpp/pull/1297#discussion_r874690353
########## extensions/gcp/processors/DeleteGCSObject.cpp: ########## @@ -0,0 +1,122 @@ +/** + * 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 "DeleteGCSObject.h" + +#include "core/Resource.h" +#include "core/ProcessContext.h" +#include "core/ProcessSession.h" +#include "core/FlowFile.h" +#include "utils/OptionalUtils.h" +#include "../GCPAttributes.h" + +namespace gcs = ::google::cloud::storage; + +namespace org::apache::nifi::minifi::extensions::gcp { +const core::Property DeleteGCSObject::Bucket( + core::PropertyBuilder::createProperty("Bucket") + ->withDescription("Bucket of the object.") + ->withDefaultValue("${gcs.bucket}") + ->supportsExpressionLanguage(true) + ->build()); + +const core::Property DeleteGCSObject::Key( + core::PropertyBuilder::createProperty("Key") + ->withDescription("Name of the object.") + ->withDefaultValue("${filename}") + ->supportsExpressionLanguage(true) + ->build()); + +const core::Property DeleteGCSObject::Generation( + core::PropertyBuilder::createProperty("Object Generation") + ->withDescription("The generation of the object to be deleted. If null, will use latest version of the object.") + ->supportsExpressionLanguage(false) + ->build()); + +const core::Property DeleteGCSObject::EncryptionKey( + core::PropertyBuilder::createProperty("Server Side Encryption Key") + ->withDescription("The AES256 Encryption Key (encoded in base64) for server-side decryption of the object.") + ->isRequired(false) + ->supportsExpressionLanguage(true) + ->build()); + +const core::Relationship DeleteGCSObject::Success("success", "FlowFiles are routed to this relationship after a successful Google Cloud Storage operation."); +const core::Relationship DeleteGCSObject::Failure("failure", "FlowFiles are routed to this relationship if the Google Cloud Storage operation fails."); + +void DeleteGCSObject::initialize() { + setSupportedProperties({GCPCredentials, + Bucket, + Key, + Generation, + NumberOfRetries, + EncryptionKey, + EndpointOverrideURL}); + setSupportedRelationships({Success, Failure}); +} + +void DeleteGCSObject::onSchedule(const std::shared_ptr<core::ProcessContext>& context, const std::shared_ptr<core::ProcessSessionFactory>& session_factory) { + GCSProcessor::onSchedule(context, session_factory); +} + +void DeleteGCSObject::onTrigger(const std::shared_ptr<core::ProcessContext>& context, const std::shared_ptr<core::ProcessSession>& session) { + gsl_Expects(context && session && gcp_credentials_); + + auto flow_file = session->get(); + if (!flow_file) { + context->yield(); + return; + } + + auto bucket = context->getProperty(Bucket, flow_file); + if (!bucket || bucket->empty()) { + logger_->log_error("Missing bucket name"); + session->transfer(flow_file, Failure); + return; + } + auto object_name = context->getProperty(Key, flow_file); + if (!object_name || object_name->empty()) { + logger_->log_error("Missing object name"); + session->transfer(flow_file, Failure); + return; + } + + gcs::Generation generation; + auto generation_str = context->getProperty(Generation, flow_file); + if (generation_str) { + try { + generation = gcs::Generation(std::stol(*generation_str)); Review Comment: note: watch out as `std::stol("34 banana")` will return `34` "successfully" -- 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: issues-unsubscr...@nifi.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
