org.apache.jackrabbit.oak.plugins.document

Class StableRevisionComparator

java.lang.Object

org.apache.jackrabbit.oak.plugins.document.StableRevisionComparator

All Implemented Interfaces:

Comparator<Revision>

public class StableRevisionComparator
extends Object
implements Comparator<Revision>

StableRevisionComparator implements a revision comparator, which is only based on stable information available in the two revisions presented to this comparator. This class is used in sorted collections where revision keys must have a stable ordering independent from the time when a revision was seen.

Revisions are first ordered by timestamp, then counter and finally cluster node id.

Field Summary

Fields

Modifier and Type	Field and Description
static Comparator<Revision>	INSTANCE
static Comparator<Revision>	REVERSE

Method Summary

Modifier and Type	Method and Description
int	compare(Revision o1, Revision 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

Field Detail

INSTANCE

public static final Comparator<Revision> INSTANCE

REVERSE

public static final Comparator<Revision> REVERSE

Method Detail

compare

public int compare(Revision o1,
                   Revision o2)

Specified by:

compare in interface Comparator<Revision>