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 java.lang.Object

Node labels utilities.

Method Summary

Modifier and Type	Method	Description
static java.util.Set<java.lang.String>	convertToStringSet(java.util.Set<org.apache.hadoop.yarn.api.records.NodeLabel> nodeLabels)
static java.util.Set<org.apache.hadoop.yarn.api.records.NodeAttribute>	getNodeAttributesByName(java.util.Set<java.lang.String> attributeNames, java.util.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(java.lang.String operation, boolean isCentralizedNodeLabelConfiguration)

Methods inherited from class java.lang.Object

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

Method Detail

convertToStringSet

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

verifyCentralizedNodeLabelConfEnabled

public static void verifyCentralizedNodeLabelConfEnabled(java.lang.String operation,
                                                         boolean isCentralizedNodeLabelConfiguration)
                                                  throws java.io.IOException

Throws:

java.io.IOException

getNodeAttributesByName

public static java.util.Set<org.apache.hadoop.yarn.api.records.NodeAttribute> getNodeAttributesByName(java.util.Set<java.lang.String> attributeNames,
                                                                                                      java.util.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