/**
* 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.hadoop.yarn.server.resourcemanager.monitor;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.event.EventHandler;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.PreemptableResourceScheduler;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ContainerPreemptEvent;
public interface SchedulingEditPolicy {
public void init(Configuration config,
EventHandler<ContainerPreemptEvent> dispatcher,
PreemptableResourceScheduler scheduler);
/**
* This method is invoked at regular intervals. Internally the policy is
* allowed to track containers and affect the scheduler. The "actions"
* performed are passed back through an EventHandler.
*/
public void editSchedule();
public long getMonitoringInterval();
public String getPolicyName();
}