| /* |
| * 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. |
| */ |
| package org.apache.pulsar.functions.worker; |
| |
| import org.apache.pulsar.broker.ServiceConfiguration; |
| import org.apache.pulsar.broker.authentication.AuthenticationService; |
| import org.apache.pulsar.broker.authorization.AuthorizationService; |
| import org.apache.pulsar.broker.resources.PulsarResources; |
| import org.apache.pulsar.common.conf.InternalConfigurationData; |
| import org.apache.pulsar.common.util.SimpleTextOutputStream; |
| import org.apache.pulsar.functions.worker.service.api.Functions; |
| import org.apache.pulsar.functions.worker.service.api.FunctionsV2; |
| import org.apache.pulsar.functions.worker.service.api.Sinks; |
| import org.apache.pulsar.functions.worker.service.api.Sources; |
| import org.apache.pulsar.functions.worker.service.api.Workers; |
| |
| /** |
| * API service provides the ability to manage functions. |
| */ |
| public interface WorkerService { |
| |
| /** |
| * Return the worker config. |
| * |
| * @return worker config |
| */ |
| WorkerConfig getWorkerConfig(); |
| |
| /** |
| * Initialize the worker API service using the provided config. |
| * |
| * @param workerConfig the worker config |
| * @throws Exception when fail to initialize the worker API service. |
| */ |
| void initAsStandalone(WorkerConfig workerConfig) |
| throws Exception; |
| |
| /** |
| * Initialize the worker service in broker. |
| * |
| * @param brokerConfig broker config |
| * @param workerConfig worker config |
| * @param pulsarResources configuration metadata-store |
| * @param internalConf pulsar internal configuration data |
| * @throws Exception when failed to initialize the worker service in broker. |
| */ |
| void initInBroker(ServiceConfiguration brokerConfig, |
| WorkerConfig workerConfig, |
| PulsarResources pulsarResources, |
| InternalConfigurationData internalConf) throws Exception; |
| |
| /** |
| * Start the worker API service. |
| * |
| * @param authenticationService the authentication service. |
| * @param authorizationService the authorization service. |
| * @param errorNotifier error notifier. |
| * @throws Exception when fail to start the worker API service. |
| */ |
| void start(AuthenticationService authenticationService, |
| AuthorizationService authorizationService, |
| ErrorNotifier errorNotifier) throws Exception; |
| |
| /** |
| * Stop the worker API service. |
| */ |
| void stop(); |
| |
| /** |
| * Check if the worker service is initialized or not. |
| * |
| * @return true if the worker service is initialized otherwise false. |
| */ |
| boolean isInitialized(); |
| |
| /** |
| * Get the functions service. |
| * |
| * @return the functions service. |
| */ |
| Functions<? extends WorkerService> getFunctions(); |
| |
| /** |
| * Get the functions service (v2). |
| * |
| * <p>This is a legacy API service for supporting v2. |
| * |
| * @return the functions service (v2). |
| */ |
| FunctionsV2<? extends WorkerService> getFunctionsV2(); |
| |
| /** |
| * Get the sinks service. |
| * |
| * @return the sinks service. |
| */ |
| Sinks<? extends WorkerService> getSinks(); |
| |
| /** |
| * Get the sources service. |
| * |
| * @return the sources service. |
| */ |
| Sources<? extends WorkerService> getSources(); |
| |
| /** |
| * Get the worker service. |
| * |
| * @return the worker service. |
| */ |
| Workers<? extends WorkerService> getWorkers(); |
| |
| /** |
| * Generate functions stats. |
| * |
| * @param out output stream |
| */ |
| void generateFunctionsStats(SimpleTextOutputStream out); |
| |
| } |