/**
* 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.scheduler;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Stable;
import org.apache.hadoop.yarn.api.records.Resource;
/**
* Node usage report.
*/
@Private
@Stable
public class SchedulerNodeReport {
private final Resource used;
private final Resource avail;
private final int num;
public SchedulerNodeReport(SchedulerNode node) {
this.used = node.getUsedResource();
this.avail = node.getAvailableResource();
this.num = node.getNumContainers();
}
/**
* @return the amount of resources currently used by the node.
*/
public Resource getUsedResource() {
return used;
}
/**
* @return the amount of resources currently available on the node
*/
public Resource getAvailableResource() {
return avail;
}
/**
* @return the number of containers currently running on this node.
*/
public int getNumContainers() {
return num;
}
}