Package org.apache.hadoop.yarn.server.resourcemanager.scheduler.constraint

Class AllocationTagsManager.TypeToCountedTags<T>

java.lang.Object

org.apache.hadoop.yarn.server.resourcemanager.scheduler.constraint.AllocationTagsManager.TypeToCountedTags<T>

Enclosing class:

AllocationTagsManager

@VisibleForTesting
public static class AllocationTagsManager.TypeToCountedTags<T>
extends Object

Generic store mapping type T to counted tags. Currently used both for NodeId to Tag, Count and Rack to Tag, Count

Constructor Summary

Constructors

Constructor	Description
TypeToCountedTags()

Method Summary

Modifier and Type	Method	Description
protected void	absorb(AllocationTagsManager.TypeToCountedTags<T> target)	Absorbs the given AllocationTagsManager.TypeToCountedTags to current mapping, this will aggregate the count of the tags with same name.
Map<T,Map<String,Long>>	getTypeToTagsWithCount()
protected AllocationTagsManager.TypeToCountedTags	immutableCopy()

Methods inherited from class java.lang.Object

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

Constructor Details

TypeToCountedTags

public TypeToCountedTags()

Method Details

getTypeToTagsWithCount

@VisibleForTesting
public Map<T,Map<String,Long>> getTypeToTagsWithCount()

absorb

protected void absorb(AllocationTagsManager.TypeToCountedTags<T> target)

Absorbs the given AllocationTagsManager.TypeToCountedTags to current mapping, this will aggregate the count of the tags with same name.

Parameters:

target - a AllocationTagsManager.TypeToCountedTags to merge with.

immutableCopy

protected AllocationTagsManager.TypeToCountedTags immutableCopy()

Returns:

an immutable copy of current instance.