/* * 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 gobblin.runtime.task; import gobblin.configuration.State; import gobblin.configuration.WorkUnitState; import gobblin.metrics.MetricContext; import gobblin.runtime.TaskContext; import gobblin.runtime.util.TaskMetrics; /** * A base implementation of {@link TaskIFace}. */ public abstract class BaseAbstractTask implements TaskIFace { protected WorkUnitState.WorkingState workingState = WorkUnitState.WorkingState.PENDING; protected MetricContext metricContext; public BaseAbstractTask(TaskContext taskContext) { this.metricContext = TaskMetrics.get(taskContext.getTaskState()).getMetricContext(); } /** * Overriding methods should call super at the end. */ @Override public void run() { this.workingState = WorkUnitState.WorkingState.SUCCESSFUL; } /** * Overriding methods should call super at the end. */ @Override public void commit() { this.workingState = WorkUnitState.WorkingState.SUCCESSFUL; } @Override public State getPersistentState() { return new State(); } @Override public State getExecutionMetadata() { return new State(); } @Override public WorkUnitState.WorkingState getWorkingState() { return this.workingState; } @Override public void shutdown() { if (getWorkingState() == WorkUnitState.WorkingState.PENDING || getWorkingState() == WorkUnitState.WorkingState.RUNNING) { this.workingState = WorkUnitState.WorkingState.CANCELLED; } } @Override public boolean awaitShutdown(long timeoutMillis) { return true; } @Override public String getProgress() { return getWorkingState().toString(); } @Override public boolean isSpeculativeExecutionSafe() { return false; } }