Java tutorial
/* * 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.gobblin.service.modules.orchestration; import java.util.concurrent.Future; import org.apache.gobblin.runtime.api.Spec; import org.apache.gobblin.runtime.api.SpecProducer; import org.apache.gobblin.runtime.spec_executorInstance.AbstractSpecExecutor; import org.apache.gobblin.util.CompletedFuture; import org.slf4j.Logger; import com.google.common.base.Optional; import com.typesafe.config.Config; import com.typesafe.config.ConfigFactory; public class AzkabanSpecExecutor extends AbstractSpecExecutor { // Executor Instance protected final Config _config; private SpecProducer<Spec> azkabanSpecProducer; public AzkabanSpecExecutor(Config config) { this(config, Optional.absent()); } public AzkabanSpecExecutor(Config config, Optional<Logger> log) { super(config, log); Config defaultConfig = ConfigFactory.load(ServiceAzkabanConfigKeys.DEFAULT_AZKABAN_PROJECT_CONFIG_FILE); _config = config.withFallback(defaultConfig); azkabanSpecProducer = new AzkabanSpecProducer(_config, log); } @Override public Future<String> getDescription() { return new CompletedFuture<>("SimpleSpecExecutorInstance with URI: " + specExecutorInstanceUri, null); } @Override public Future<? extends SpecProducer> getProducer() { return new CompletedFuture<>(this.azkabanSpecProducer, null); } @Override public Future<Config> getConfig() { return new CompletedFuture<>(_config, null); } @Override public Future<String> getHealth() { return new CompletedFuture<>("Healthy", null); } @Override protected void startUp() throws Exception { // nothing to do in default implementation } @Override protected void shutDown() throws Exception { // nothing to do in default implementation } }