org.apache.hadoop.hbase.wal

Class AbstractFSWALProvider.WALStartTimeComparator

java.lang.Object

org.apache.hadoop.hbase.wal.AbstractFSWALProvider.WALStartTimeComparator

All Implemented Interfaces:

Comparator<org.apache.hadoop.fs.Path>

Enclosing class:

AbstractFSWALProvider<T extends AbstractFSWAL<?>>

public static class AbstractFSWALProvider.WALStartTimeComparator
extends Object
implements Comparator<org.apache.hadoop.fs.Path>

Comparator used to compare WAL files together based on their start time. Just compares start times and nothing else.

Constructor Summary

Constructors

Constructor and Description
WALStartTimeComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(org.apache.hadoop.fs.Path o1, org.apache.hadoop.fs.Path o2)
private static long	getTS(org.apache.hadoop.fs.Path p) Split a path to get the start time For example: 10.20.20.171%3A60020.1277499063250 Could also be a meta WAL which adds a '.meta' suffix or a synchronous replication WAL which adds a '.syncrep' suffix.

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

WALStartTimeComparator

public WALStartTimeComparator()

Method Detail

compare

public int compare(org.apache.hadoop.fs.Path o1,
                   org.apache.hadoop.fs.Path o2)

Specified by:

compare in interface Comparator<org.apache.hadoop.fs.Path>

getTS

private static long getTS(org.apache.hadoop.fs.Path p)

Split a path to get the start time For example: 10.20.20.171%3A60020.1277499063250 Could also be a meta WAL which adds a '.meta' suffix or a synchronous replication WAL which adds a '.syncrep' suffix. Check.

Parameters:

p - path to split

Returns:

start time