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

Class MappingRuleMatchers.VariableMatcher

java.lang.Object

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

All Implemented Interfaces:

MappingRuleMatcher

Enclosing class:

MappingRuleMatchers

public static class MappingRuleMatchers.VariableMatcher
extends Object
implements MappingRuleMatcher

VariableMatcher will check if a provided variable's value matches the provided value. The provided value might contain variables as well, which will get evaluated before the comparison.

Method Summary

Modifier and Type	Method	Description
boolean	match(VariableContext variables)	The method will replace all variables in the value, then compares this substituted value against the variable's value, if they match we return true.
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 replace all variables in the value, then compares this substituted value against the variable's value, if they match we return true. If the variable 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 the value matches the variable's value, false otherwise

toString

public String toString()

Overrides:

toString in class Object