Package org.apache.hadoop.yarn.server.resourcemanager.nodelabels

Class NodeLabelsUtils

java.lang.Object

org.apache.hadoop.yarn.server.resourcemanager.nodelabels.NodeLabelsUtils

public final class NodeLabelsUtils
extends Object

Node labels utilities.

Method Summary

Modifier and Type	Method	Description
static Set<String>	convertToStringSet(Set<org.apache.hadoop.yarn.api.records.NodeLabel> nodeLabels)
static Set<org.apache.hadoop.yarn.api.records.NodeAttribute>	getNodeAttributesByName(Set<String> attributeNames, Set<org.apache.hadoop.yarn.api.records.NodeAttribute> clusterNodeAttributes)	Returns a set of node attributes whose name exists in the provided attributeNames list.
static void	verifyCentralizedNodeLabelConfEnabled(String operation, boolean isCentralizedNodeLabelConfiguration)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

convertToStringSet

public static Set<String> convertToStringSet(Set<org.apache.hadoop.yarn.api.records.NodeLabel> nodeLabels)

verifyCentralizedNodeLabelConfEnabled

public static void verifyCentralizedNodeLabelConfEnabled(String operation,
 boolean isCentralizedNodeLabelConfiguration)
                                                  throws IOException

Throws:

IOException

getNodeAttributesByName

public static Set<org.apache.hadoop.yarn.api.records.NodeAttribute> getNodeAttributesByName(Set<String> attributeNames,
 Set<org.apache.hadoop.yarn.api.records.NodeAttribute> clusterNodeAttributes)

Returns a set of node attributes whose name exists in the provided attributeNames list.

Parameters:

attributeNames - For this given list of attribute names get the cluster NodeAttributes

clusterNodeAttributes - set of node Attributes

Returns:

set of Node Attributes which maps to the give attributes names