Package org.apache.hadoop.yarn.server.resourcemanager.placement.csmappingrule

Class MappingRuleMatchers.UserGroupMatcher

java.lang.Object

org.apache.hadoop.yarn.server.resourcemanager.placement.csmappingrule.MappingRuleMatchers.UserGroupMatcher

All Implemented Interfaces:

MappingRuleMatcher

Enclosing class:

MappingRuleMatchers

public static class MappingRuleMatchers.UserGroupMatcher
extends Object
implements MappingRuleMatcher

The GroupMatcher will check if any of the user's groups match the provided group name. It does not care if it's primary or secondary group, it just checks if the user is member of the expected group.

Method Summary

Modifier and Type	Method	Description
boolean	match(VariableContext variables)	The method will match (return true) if the user is in the provided group.
String	toString()

Methods inherited from class java.lang.Object

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

Method Details

match

public boolean match(VariableContext variables)

The method will match (return true) if the user is in the provided group. This matcher expect an extraVariableSet to be present in the variable context, if it's not present, we return false. If the expected group is null we always return false.

Specified by:

match in interface MappingRuleMatcher

Parameters:

variables - The variable context, which contains all the variables

Returns:

true if user is member of the group

toString

public String toString()

Overrides:

toString in class Object