| /** |
| * 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 com.alibaba.jstorm.schedule.default_assign.Selector; |
| |
| import com.alibaba.jstorm.schedule.default_assign.ResourceWorkerSlot; |
| import com.alibaba.jstorm.schedule.default_assign.TaskAssignContext; |
| |
| public class TotalTaskNumSelector extends AbstractSelector { |
| |
| public TotalTaskNumSelector(final TaskAssignContext context) { |
| super(context); |
| // TODO Auto-generated constructor stub |
| this.workerComparator = new WorkerComparator() { |
| @Override |
| public int compare(ResourceWorkerSlot o1, ResourceWorkerSlot o2) { |
| // TODO Auto-generated method stub |
| int o1Num = context.getTaskNumOnWorker(o1); |
| int o2Num = context.getTaskNumOnWorker(o2); |
| if (o1Num == o2Num) |
| return 0; |
| return o1Num > o2Num ? 1 : -1; |
| } |
| }; |
| this.supervisorComparator = new WorkerComparator() { |
| @Override |
| public int compare(ResourceWorkerSlot o1, ResourceWorkerSlot o2) { |
| // TODO Auto-generated method stub |
| int o1Num = context.getTaskNumOnSupervisor(o1.getNodeId()); |
| int o2Num = context.getTaskNumOnSupervisor(o2.getNodeId()); |
| if (o1Num == o2Num) |
| return 0; |
| return o1Num > o2Num ? 1 : -1; |
| } |
| }; |
| } |
| |
| } |