Package org.iq80.leveldb

Interface DBComparator

All Superinterfaces:

Comparator<byte[]>

public interface DBComparator
extends Comparator<byte[]>

Method Summary

Modifier and Type	Method	Description
byte[]	findShortestSeparator(byte[] start, byte[] limit)	If start < limit, returns a short key in [start,limit).
byte[]	findShortSuccessor(byte[] key)	returns a 'short key' where the 'short key' is greater than or equal to key.
String	name()

Methods inherited from interface java.util.Comparator

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

Method Details

name

String name()

findShortestSeparator

byte[] findShortestSeparator(byte[] start,
 byte[] limit)

If start < limit, returns a short key in [start,limit). Simple comparator implementations should return start unchanged,

findShortSuccessor

byte[] findShortSuccessor(byte[] key)

returns a 'short key' where the 'short key' is greater than or equal to key. Simple comparator implementations should return key unchanged,