/**
* 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.api.records;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Stable;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.util.Records;
/**
* Contains various scheduling metrics to be reported by UI and CLI.
*/
@Public
@Stable
public abstract class ApplicationResourceUsageReport {
@Private
@Unstable
public static ApplicationResourceUsageReport newInstance(
int numUsedContainers, int numReservedContainers, Resource usedResources,
Resource reservedResources, Resource neededResources) {
ApplicationResourceUsageReport report =
Records.newRecord(ApplicationResourceUsageReport.class);
report.setNumUsedContainers(numUsedContainers);
report.setNumReservedContainers(numReservedContainers);
report.setUsedResources(usedResources);
report.setReservedResources(reservedResources);
report.setNeededResources(neededResources);
return report;
}
/**
* Get the number of used containers
* @return the number of used containers
*/
@Public
@Stable
public abstract int getNumUsedContainers();
/**
* Set the number of used containers
* @param num_containers the number of used containers
*/
@Private
@Unstable
public abstract void setNumUsedContainers(int num_containers);
/**
* Get the number of reserved containers
* @return the number of reserved containers
*/
@Private
@Unstable
public abstract int getNumReservedContainers();
/**
* Set the number of reserved containers
* @param num_reserved_containers the number of reserved containers
*/
@Private
@Unstable
public abstract void setNumReservedContainers(int num_reserved_containers);
/**
* Get the used <code>Resource</code>
* @return the used <code>Resource</code>
*/
@Public
@Stable
public abstract Resource getUsedResources();
@Private
@Unstable
public abstract void setUsedResources(Resource resources);
/**
* Get the reserved <code>Resource</code>
* @return the reserved <code>Resource</code>
*/
@Public
@Stable
public abstract Resource getReservedResources();
@Private
@Unstable
public abstract void setReservedResources(Resource reserved_resources);
/**
* Get the needed <code>Resource</code>
* @return the needed <code>Resource</code>
*/
@Public
@Stable
public abstract Resource getNeededResources();
@Private
@Unstable
public abstract void setNeededResources(Resource needed_resources);
}