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

Class PopularTagsIterator

java.lang.Object

org.apache.hadoop.yarn.server.resourcemanager.scheduler.constraint.algorithm.iterators.PopularTagsIterator

All Implemented Interfaces:

java.util.Iterator<org.apache.hadoop.yarn.api.records.SchedulingRequest>

public class PopularTagsIterator
extends java.lang.Object
implements java.util.Iterator<org.apache.hadoop.yarn.api.records.SchedulingRequest>

Traverse Scheduling requests with the most popular tags (count) first. Currently the count is per Batch but could use TagManager for global count.

Constructor Summary

Constructors

Constructor	Description
PopularTagsIterator(java.util.Collection<org.apache.hadoop.yarn.api.records.SchedulingRequest> schedulingRequests)

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()
org.apache.hadoop.yarn.api.records.SchedulingRequest	next()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Constructor Detail

PopularTagsIterator

public PopularTagsIterator(java.util.Collection<org.apache.hadoop.yarn.api.records.SchedulingRequest> schedulingRequests)

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<org.apache.hadoop.yarn.api.records.SchedulingRequest>

next

public org.apache.hadoop.yarn.api.records.SchedulingRequest next()

Specified by:

next in interface java.util.Iterator<org.apache.hadoop.yarn.api.records.SchedulingRequest>