org.apache.hadoop.hbase.filter

类 NullComparator

java.lang.Object

org.apache.hadoop.hbase.filter.ByteArrayComparable

org.apache.hadoop.hbase.filter.NullComparator

所有已实现的接口:

Comparable<byte[]>

@InterfaceAudience.Public
public class NullComparator
extends ByteArrayComparable

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

构造器概要

构造器

构造器和说明
NullComparator()

方法概要

限定符和类型	方法和说明
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()

从类继承的方法 org.apache.hadoop.hbase.filter.ByteArrayComparable

getValue

从类继承的方法 java.lang.Object

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

构造器详细资料

NullComparator

public NullComparator()

方法详细资料

compareTo

public int compareTo(byte[] value)

指定者:

compareTo 在接口中 Comparable<byte[]>

覆盖:

compareTo 在类中 ByteArrayComparable

equals

public boolean equals(Object obj)

覆盖:

equals 在类中 Object

hashCode

public int hashCode()

覆盖:

hashCode 在类中 Object

compareTo

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

指定者:

compareTo 在类中 ByteArrayComparable

compareTo

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

覆盖:

compareTo 在类中 ByteArrayComparable

toByteArray

public byte[] toByteArray()

指定者:

toByteArray 在类中 ByteArrayComparable

返回:

The comparator serialized using pb

parseFrom

public static NullComparator parseFrom(byte[] pbBytes)
                                throws DeserializationException

参数:

pbBytes - A pb serialized NullComparator instance

返回:

An instance of NullComparator made from bytes

抛出:

DeserializationException

另请参阅:

toByteArray()