Java tutorial
/* * * Copyright 2016 Netflix, Inc. * * Licensed 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 com.netflix.genie.web.tasks; import org.springframework.scheduling.Trigger; /** * Interface for any task that should run in the Genie system. Will be extended by more specific interfaces. * * @author tgianos * @since 3.0.0 */ public abstract class GenieTask implements Runnable { /** * Get the type of scheduling mechanism which should be used to schedule this task. * * @return The schedule type */ public abstract GenieTaskScheduleType getScheduleType(); /** * Get the Trigger which this task should be scheduled with. * * @return The trigger */ public Trigger getTrigger() { throw new UnsupportedOperationException("This task doesn't support being scheduled via Trigger."); } /** * Get how long the system should wait between invoking the run() method of this task in milliseconds. * * @return The period to wait between invocations of run for this task */ public long getFixedRate() { throw new UnsupportedOperationException("This task doesn't support being scheduled at a fixed rate."); } /** * Get how long the system should wait between invoking the run() method of this task in milliseconds after the * last successful run of the task. * * @return The time to delay between task completions */ public long getFixedDelay() { throw new UnsupportedOperationException("This task doesn't support being scheduled at a fixed delay."); } }