org.apache.hadoop.hbase

Class KeyValue.RawBytesComparator

java.lang.Object

org.apache.hadoop.hbase.KeyValue.KVComparator

org.apache.hadoop.hbase.KeyValue.RawBytesComparator

All Implemented Interfaces:

Comparator<Cell>, KeyValue.SamePrefixComparator<byte[]>, org.apache.hadoop.io.RawComparator<Cell>

Enclosing class:

KeyValue

public static class KeyValue.RawBytesComparator
extends KeyValue.KVComparator

This is a TEST only Comparator used in TestSeekTo and TestReseekTo.

Constructor Summary

Constructors

Constructor and Description
KeyValue.RawBytesComparator()

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	calcIndexKey(byte[] lastKeyOfPreviousBlock, byte[] firstKeyInBlock)
int	compareFlatKey(byte[] left, int loffset, int llength, byte[] right, int roffset, int rlength) Compares left to right assuming that left,loffset,llength and right,roffset,rlength are full KVs laid out in a flat byte[]s.
String	getLegacyKeyComparatorName() The HFileV2 file format's trailer contains this class name.

Methods inherited from class org.apache.hadoop.hbase.KeyValue.KVComparator

clone, compare, compare, compareColumns, compareFlatKey, compareIgnoringPrefix, compareRowKey, compareRows, compareRows, compareTimestamps, getShortMidpointKey, matchingRowColumn, matchingRows, matchingRows

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

KeyValue.RawBytesComparator

public KeyValue.RawBytesComparator()

Method Detail

getLegacyKeyComparatorName

public String getLegacyKeyComparatorName()

The HFileV2 file format's trailer contains this class name. We reinterpret this and instantiate the appropriate comparator. TODO: With V3 consider removing this.

Overrides:

getLegacyKeyComparatorName in class KeyValue.KVComparator

Returns:

legacy class name for FileFileTrailer#comparatorClassName

compareFlatKey

public int compareFlatKey(byte[] left,
                 int loffset,
                 int llength,
                 byte[] right,
                 int roffset,
                 int rlength)

Description copied from class: KeyValue.KVComparator

Compares left to right assuming that left,loffset,llength and right,roffset,rlength are full KVs laid out in a flat byte[]s.

Overrides:

compareFlatKey in class KeyValue.KVComparator

Returns:

0 if equal, <0 if left smaller, >0 if right smaller

calcIndexKey

public byte[] calcIndexKey(byte[] lastKeyOfPreviousBlock,
                  byte[] firstKeyInBlock)

Overrides:

calcIndexKey in class KeyValue.KVComparator