org.apache.hadoop.hbase.filter

Class NullComparator

java.lang.Object

org.apache.hadoop.hbase.filter.ByteArrayComparable

org.apache.hadoop.hbase.filter.NullComparator

All Implemented Interfaces:

Comparable<byte[]>

@InterfaceAudience.Public
public class NullComparator
extends org.apache.hadoop.hbase.filter.ByteArrayComparable

A binary comparator which lexicographically compares against the specified byte array using Bytes.compareTo(byte[], byte[]).

Constructor Summary

Constructors

Constructor and Description
NullComparator()

Method Summary

Modifier and Type	Method and Description
int	compareTo(byte[] value)
int	compareTo(byte[] value, int offset, int length)
int	compareTo(ByteBuffer value, int offset, int length)
boolean	equals(Object obj)
int	hashCode()
static NullComparator	parseFrom(byte[] pbBytes)
byte[]	toByteArray()

Methods inherited from class org.apache.hadoop.hbase.filter.ByteArrayComparable

getValue

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NullComparator

public NullComparator()

Method Detail

compareTo

public int compareTo(byte[] value)

Specified by:

compareTo in interface Comparable<byte[]>

Overrides:

compareTo in class org.apache.hadoop.hbase.filter.ByteArrayComparable

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

compareTo

public int compareTo(byte[] value,
                     int offset,
                     int length)

Specified by:

compareTo in class org.apache.hadoop.hbase.filter.ByteArrayComparable

compareTo

public int compareTo(ByteBuffer value,
                     int offset,
                     int length)

Overrides:

compareTo in class org.apache.hadoop.hbase.filter.ByteArrayComparable

toByteArray

public byte[] toByteArray()

Specified by:

toByteArray in class org.apache.hadoop.hbase.filter.ByteArrayComparable

Returns:

The comparator serialized using pb

parseFrom

public static NullComparator parseFrom(byte[] pbBytes)
                                throws org.apache.hadoop.hbase.exceptions.DeserializationException

Parameters:

pbBytes - A pb serialized NullComparator instance

Returns:

An instance of NullComparator made from bytes

Throws:

org.apache.hadoop.hbase.exceptions.DeserializationException

See Also:

toByteArray()