org.apache.hadoop.hbase.filter

Class LongComparator

java.lang.Object

org.apache.hadoop.hbase.filter.ByteArrayComparable

org.apache.hadoop.hbase.filter.LongComparator

All Implemented Interfaces:

Comparable<byte[]>

@InterfaceAudience.Public
public class LongComparator
extends ByteArrayComparable

A long comparator which numerical compares against the specified byte array

Constructor Summary

Constructors

Constructor and Description
LongComparator(long value)

Method Summary

Modifier and Type	Method and Description
int	compareTo(byte[] value, int offset, int length) Special compareTo method for subclasses, to avoid copying byte[] unnecessarily.
int	compareTo(ByteBuffer value, int offset, int length) Special compareTo method for subclasses, to avoid copying bytes unnecessarily.
static LongComparator	parseFrom(byte[] pbBytes)
byte[]	toByteArray()

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

compareTo, getValue

Methods inherited from class java.lang.Object

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

Constructor Detail

LongComparator

public LongComparator(long value)

Method Detail

compareTo

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

Description copied from class: ByteArrayComparable

Special compareTo method for subclasses, to avoid copying byte[] unnecessarily.

Specified by:

compareTo in class ByteArrayComparable

Parameters:

value - byte[] to compare

offset - offset into value

length - number of bytes to compare

Returns:

a negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object.

compareTo

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

Description copied from class: ByteArrayComparable

Special compareTo method for subclasses, to avoid copying bytes unnecessarily.

Overrides:

compareTo in class ByteArrayComparable

Parameters:

value - bytes to compare within a ByteBuffer

offset - offset into value

length - number of bytes to compare

Returns:

a negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object.

toByteArray

public byte[] toByteArray()

Specified by:

toByteArray in class ByteArrayComparable

Returns:

The comparator serialized using pb

parseFrom

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

Parameters:

pbBytes - A pb serialized LongComparator instance

Returns:

An instance of LongComparator made from bytes

Throws:

org.apache.hadoop.hbase.exceptions.DeserializationException

See Also:

toByteArray()