org.springframework.yarn.am.container.ContainerRequestHint Maven / Gradle / Ivy
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/*
* Copyright 2013 the original author or authors.
*
* Licensed 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.springframework.yarn.am.container;
import java.util.Arrays;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.api.records.Resource;
/**
* Helper class used to add request data hints. None of
* the parameters set here are not guaranteed to be
* used. For example setting an array of hosts and racks
* just tells user of this class that we'd like to
* localise into those locations.
*
* @author Janne Valkealahti
*
*/
public class ContainerRequestHint {
/** Id acts as a convenience field for user to be used for key */
private final Object id;
private final Resource capability;
private final String[] hosts;
private final String[] racks;
private final Priority priority;
/**
* Instantiates a new container request data.
*
* @param id the id
* @param capability the capability
* @param hosts the hosts
* @param racks the racks
* @param priority the priority
*/
public ContainerRequestHint(Object id, Resource capability, String[] hosts, String[] racks, Priority priority) {
this.id = id;
this.capability = capability;
this.hosts = hosts;
this.racks = racks;
this.priority = priority;
}
/**
* Gets the id.
*
* @return the id
*/
public Object getId() {
return id;
}
/**
* Gets the capability.
*
* @return the capability
*/
public Resource getCapability() {
return capability;
}
/**
* Gets the hosts.
*
* @return the hosts
*/
public String[] getHosts() {
return hosts;
}
/**
* Gets the racks.
*
* @return the racks
*/
public String[] getRacks() {
return racks;
}
/**
* Gets the priority.
*
* @return the priority
*/
public Priority getPriority() {
return priority;
}
@Override
public String toString() {
return "ContainerRequestData [id=" + id + ", capability=" + capability + ", hosts=" + Arrays.toString(hosts)
+ ", racks=" + Arrays.toString(racks) + ", priority=" + priority + "]";
}
}