|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectorg.apache.hadoop.hbase.types.OrderedBytesBase<Float>
org.apache.hadoop.hbase.types.OrderedFloat32
@InterfaceAudience.Public @InterfaceStability.Evolving public class OrderedFloat32
A float
of 32-bits using a fixed-length encoding. Based on
OrderedBytes.encodeFloat32(PositionedByteRange, float, Order)
.
Field Summary | |
---|---|
static OrderedFloat32 |
ASCENDING
|
static OrderedFloat32 |
DESCENDING
|
Fields inherited from class org.apache.hadoop.hbase.types.OrderedBytesBase |
---|
order |
Constructor Summary | |
---|---|
protected |
OrderedFloat32(Order order)
|
Method Summary | |
---|---|
Float |
decode(PositionedByteRange src)
Read an instance of T from the buffer src . |
float |
decodeFloat(PositionedByteRange dst)
Read a float value from the buffer dst . |
int |
encode(PositionedByteRange dst,
Float val)
Write instance val into buffer dst . |
Class<Float> |
encodedClass()
Inform consumers over what type this DataType operates. |
int |
encodedLength(Float val)
Inform consumers how long the encoded byte[] will be. |
int |
encodeFloat(PositionedByteRange dst,
float val)
Write instance val into buffer buff . |
boolean |
isNullable()
Indicates whether this instance supports encoding null values. |
Methods inherited from class org.apache.hadoop.hbase.types.OrderedBytesBase |
---|
getOrder, isOrderPreserving, isSkippable, skip |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
public static final OrderedFloat32 ASCENDING
public static final OrderedFloat32 DESCENDING
Constructor Detail |
---|
protected OrderedFloat32(Order order)
Method Detail |
---|
public boolean isNullable()
DataType
DataType
s that support null should treat null as comparing
less than any non-null value for default sort ordering purposes.
isNullable
in interface DataType<Float>
isNullable
in class OrderedBytesBase<Float>
true
when null is supported, false
otherwise.public int encodedLength(Float val)
DataType
byte[]
will be.
val
- The value to check.
val
.apublic Class<Float> encodedClass()
DataType
DataType
operates. Useful
when working with bare DataType
instances.
public Float decode(PositionedByteRange src)
DataType
T
from the buffer src
.
src
- the buffer containing the encoded value.public int encode(PositionedByteRange dst, Float val)
DataType
val
into buffer dst
.
dst
- the buffer containing the encoded value.val
- the value to encode onto dst
.
public float decodeFloat(PositionedByteRange dst)
float
value from the buffer dst
.
public int encodeFloat(PositionedByteRange dst, float val)
val
into buffer buff
.
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |