asd

extensions/kafka/CMakeLists.txt

@@ -25,7 +25,7 @@ include(Fetchlibrdkafka)
 
 include(${CMAKE_SOURCE_DIR}/extensions/ExtensionHeader.txt)
 
-file(GLOB SOURCES "*.cpp")
+file(GLOB SOURCES "*.cpp" "poc/*.cpp")
 
 add_minifi_library(minifi-rdkafka-extensions SHARED ${SOURCES})
 

extensions/kafka/poc/CommitKafkaPoC.cpp

@@ -0,0 +1,38 @@
+/**
+* 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 "CommitKafkaPoC.h"
+#include "core/FlowFile.h"
+#include "core/ProcessSession.h"
+#include "core/PropertyType.h"
+#include "core/Resource.h"
+
+namespace org::apache::nifi::minifi::kafka {
+
+void CommitKafkaPoC::onSchedule(core::ProcessContext& context, core::ProcessSessionFactory&) {
+  kafka_client_controller_service_ = std::dynamic_pointer_cast<KafkaClientControllerService>(context.getControllerService());
+}
+
+void CommitKafkaPoC::onTrigger(core::ProcessContext&, core::ProcessSession&) {
+}
+
+void CommitKafkaPoC::initialize() {
+
+}
+
+REGISTER_RESOURCE(CommitKafkaPoC, Processor);
+}  // namespace org::apache::nifi::minifi::kafka

extensions/kafka/poc/CommitKafkaPoC.h

@@ -0,0 +1,59 @@
+/**
+* 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.
+ */
+
+#pragma once
+
+#include "core/Processor.h"
+#include "core/PropertyDefinitionBuilder.h"
+#include "KafkaClientControllerService.h"
+
+namespace org::apache::nifi::minifi::kafka {
+
+class CommitKafkaPoC : public core::ProcessorImpl {
+ public:
+  EXTENSIONAPI static constexpr const char* Description = "CommitKafkaPoC";
+  EXTENSIONAPI static constexpr auto KafkaClient =
+    core::PropertyDefinitionBuilder<>::createProperty("Kafka Client Controller Service")
+        .withDescription("Kafka Client Controller Service")
+        .isRequired(true)
+        .withAllowedTypes<KafkaClientControllerService>()
+        .build();
+
+  EXTENSIONAPI static constexpr auto Success = core::RelationshipDefinition{"success", "success"};
+  EXTENSIONAPI static constexpr auto Failure = core::RelationshipDefinition{"failure", "failure"};
+  EXTENSIONAPI static constexpr auto Relationships = std::array{Success, Failure};
+
+  EXTENSIONAPI static constexpr auto Properties = std::to_array<core::PropertyReference>({KafkaClient});
+
+  EXTENSIONAPI static constexpr bool SupportsDynamicProperties = false;
+  EXTENSIONAPI static constexpr bool SupportsDynamicRelationships = false;
+  EXTENSIONAPI static constexpr core::annotation::Input InputRequirement = core::annotation::Input::INPUT_REQUIRED;
+  EXTENSIONAPI static constexpr bool IsSingleThreaded = true;
+
+  ADD_COMMON_VIRTUAL_FUNCTIONS_FOR_PROCESSORS
+
+  void onSchedule(core::ProcessContext& context, core::ProcessSessionFactory& session_factory) override;
+  void onTrigger(core::ProcessContext& context, core::ProcessSession& session) override;
+  void initialize() override;
+
+  using ProcessorImpl::ProcessorImpl;
+
+private:
+  std::shared_ptr<KafkaClientControllerService> kafka_client_controller_service_;
+};
+
+}  // namespace org::apache::nifi::minifi::kafka

extensions/kafka/poc/ConsumeKafkaPoC.cpp

@@ -0,0 +1,37 @@
+/**
+* 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 "ConsumeKafkaPoC.h"
+#include "core/FlowFile.h"
+#include "core/ProcessSession.h"
+#include "core/PropertyType.h"
+#include "core/Resource.h"
+
+namespace org::apache::nifi::minifi::kafka {
+
+void ConsumeKafkaPoC::onSchedule(core::ProcessContext&, core::ProcessSessionFactory&) {
+}
+
+void ConsumeKafkaPoC::onTrigger(core::ProcessContext&, core::ProcessSession&) {
+}
+
+void ConsumeKafkaPoC::initialize() {
+
+}
+
+REGISTER_RESOURCE(ConsumeKafkaPoC, Processor);
+}  // namespace org::apache::nifi::minifi::kafka

extensions/kafka/poc/ConsumeKafkaPoC.h

@@ -0,0 +1,59 @@
+/**
+* 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.
+ */
+
+#pragma once
+
+#include "core/Processor.h"
+#include "core/PropertyDefinitionBuilder.h"
+#include "KafkaClientControllerService.h"
+
+
+namespace org::apache::nifi::minifi::kafka {
+
+class ConsumeKafkaPoC : public core::ProcessorImpl {
+ public:
+  EXTENSIONAPI static constexpr const char* Description = "ConsumeKafkaPoC";
+  EXTENSIONAPI static constexpr auto KafkaClient =
+    core::PropertyDefinitionBuilder<>::createProperty("Kafka Client Controller Service")
+        .withDescription("Kafka Client Controller Service")
+        .isRequired(true)
+        .withAllowedTypes<KafkaClientControllerService>()
+        .build();
+
+  EXTENSIONAPI static constexpr auto Success = core::RelationshipDefinition{"success", "success"};
+  EXTENSIONAPI static constexpr auto Relationships = std::array{Success};
+
+  EXTENSIONAPI static constexpr auto Properties = std::to_array<core::PropertyReference>({KafkaClient});
+
+  EXTENSIONAPI static constexpr bool SupportsDynamicProperties = false;
+  EXTENSIONAPI static constexpr bool SupportsDynamicRelationships = false;
+  EXTENSIONAPI static constexpr core::annotation::Input InputRequirement = core::annotation::Input::INPUT_FORBIDDEN;
+  EXTENSIONAPI static constexpr bool IsSingleThreaded = true;
+
+  ADD_COMMON_VIRTUAL_FUNCTIONS_FOR_PROCESSORS
+
+  void onSchedule(core::ProcessContext& context, core::ProcessSessionFactory& session_factory) override;
+  void onTrigger(core::ProcessContext& context, core::ProcessSession& session) override;
+  void initialize() override;
+
+  using ProcessorImpl::ProcessorImpl;
+
+ private:
+  std::shared_ptr<KafkaClientControllerService> kafka_client_controller_service_;
+};
+
+}  // namespace org::apache::nifi::minifi::kafka

extensions/kafka/poc/KafkaClientControllerService.cpp

@@ -0,0 +1,27 @@
+/**
+* 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 "KafkaClientControllerService.h"
+#include "core/Resource.h"
+
+namespace org::apache::nifi::minifi::kafka {
+
+void KafkaClientControllerService::onEnable() {
+}
+
+REGISTER_RESOURCE(KafkaClientControllerService, ControllerService);
+}  // namespace org::apache::nifi::minifi::kafka

extensions/kafka/poc/KafkaClientControllerService.h

@@ -0,0 +1,55 @@
+/**
+* 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.
+ */
+
+#pragma once
+
+#include <array>
+#include "core/controller/ControllerService.h"
+#include "core/PropertyDefinition.h"
+#include "core/PropertyDefinitionBuilder.h"
+#include "core/PropertyType.h"
+
+namespace org::apache::nifi::minifi::kafka {
+
+class KafkaClientControllerService : public core::controller::ControllerServiceImpl {
+public:
+  EXTENSIONAPI static constexpr const char* Description = "Manages the client for Apache Kafka. This allows for multiple Kafka related processors "
+      "to reference this single client.";
+
+  EXTENSIONAPI static constexpr auto TopicName =
+      core::PropertyDefinitionBuilder<>::createProperty("Topic Name")
+          .withDescription(
+              "The name of the Kafka Topic to pull from.")
+          .supportsExpressionLanguage(true)
+          .isRequired(true)
+          .build();
+
+  EXTENSIONAPI static constexpr auto Properties = std::to_array<core::PropertyReference>({TopicName});
+
+  EXTENSIONAPI static constexpr bool SupportsDynamicProperties = false;
+  ADD_COMMON_VIRTUAL_FUNCTIONS_FOR_CONTROLLER_SERVICES
+
+  using ControllerServiceImpl::ControllerServiceImpl;
+
+  void initialize() override {}
+  void yield() override {}
+  bool isWorkAvailable() override { return false; }
+  bool isRunning() const override { return getState() == core::controller::ControllerServiceState::ENABLED; }
+
+  void onEnable() override;
+};
+}  // namespace org::apache::nifi::minifi::kafka