| /** |
| * 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.tajo.querymaster; |
| |
| import com.google.common.collect.Sets; |
| import org.apache.hadoop.service.AbstractService; |
| import org.apache.hadoop.yarn.event.EventHandler; |
| import org.apache.tajo.master.event.TaskSchedulerEvent; |
| |
| import java.util.Set; |
| |
| |
| public abstract class AbstractTaskScheduler extends AbstractService implements EventHandler<TaskSchedulerEvent> { |
| |
| protected int hostLocalAssigned; |
| protected int rackLocalAssigned; |
| protected int totalAssigned; |
| protected int cancellation; |
| protected int totalAttempts; |
| |
| protected Set<String> leafTaskHosts = Sets.newHashSet(); |
| |
| /** |
| * Construct the service. |
| * |
| * @param name service name |
| */ |
| public AbstractTaskScheduler(String name) { |
| super(name); |
| } |
| |
| public int getHostLocalAssigned() { |
| return hostLocalAssigned; |
| } |
| |
| public int getRackLocalAssigned() { |
| return rackLocalAssigned; |
| } |
| |
| public int getTotalAssigned() { |
| return totalAssigned; |
| } |
| |
| public int getCancellation() { |
| return cancellation; |
| } |
| |
| public int getTotalAttempts() { |
| return totalAttempts; |
| } |
| |
| public abstract void releaseTaskAttempt(TaskAttempt taskAttempt); |
| public abstract int remainingScheduledObjectNum(); |
| |
| |
| public Set<String> getLeafTaskHosts(){ |
| return leafTaskHosts; |
| } |
| } |