/**
* 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 ComponentNumSelector extends AbstractSelector {
public ComponentNumSelector(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.getComponentNumOnWorker(o1, name);
int o2Num = context.getComponentNumOnWorker(o2, name);
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.getComponentNumOnSupervisor(o1.getNodeId(), name);
int o2Num = context.getComponentNumOnSupervisor(o2.getNodeId(), name);
if (o1Num == o2Num)
return 0;
return o1Num > o2Num ? 1 : -1;
}
};
}
}