org.apache.hadoop.hive.llap.daemon.impl.comparator

Class LlapQueueComparatorBase

java.lang.Object

org.apache.hadoop.hive.llap.daemon.impl.comparator.LlapQueueComparatorBase

All Implemented Interfaces:

Comparator<TaskExecutorService.TaskWrapper>

Direct Known Subclasses:

FirstInFirstOutComparator, ShortestJobFirstComparator

public abstract class LlapQueueComparatorBase
extends Object
implements Comparator<TaskExecutorService.TaskWrapper>

The base class for LLAP queue comparators that checks the criteria that always apply for task priorities, and then lets the specific implementations deal with heuristics, etc.

Constructor Summary

Constructors

Constructor and Description
LlapQueueComparatorBase()

Method Summary

Modifier and Type	Method and Description
int	compare(TaskExecutorService.TaskWrapper t1, TaskExecutorService.TaskWrapper t2)
abstract int	compareInternal(TaskRunnerCallable o1, TaskRunnerCallable o2)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

LlapQueueComparatorBase

public LlapQueueComparatorBase()

Method Detail

compare

public int compare(TaskExecutorService.TaskWrapper t1,
                   TaskExecutorService.TaskWrapper t2)

Specified by:

compare in interface Comparator<TaskExecutorService.TaskWrapper>

compareInternal

public abstract int compareInternal(TaskRunnerCallable o1,
                                    TaskRunnerCallable o2)