Package org.apache.hadoop.ozone.container.common.impl

Class ContainerDataScanOrder

java.lang.Object

org.apache.hadoop.ozone.container.common.impl.ContainerDataScanOrder

All Implemented Interfaces:

Comparator<Container<?>>

public class ContainerDataScanOrder
extends Object
implements Comparator<Container<?>>

Orders containers: 1. containers not yet scanned first, 2. then least recently scanned first, 3. ties are broken by containerID.

Field Summary

Fields

Modifier and Type	Field	Description
static final Comparator<Container<?>>	INSTANCE

Constructor Summary

Constructors

Constructor	Description
ContainerDataScanOrder()

Method Summary

Modifier and Type	Method	Description
int	compare(Container<?> o1, Container<?> 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

equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Details

INSTANCE

public static final Comparator<Container<?>> INSTANCE

Constructor Details

ContainerDataScanOrder

public ContainerDataScanOrder()

Method Details

compare

public int compare(Container<?> o1,
 Container<?> o2)

Specified by:

compare in interface Comparator<Container<?>>