@InterfaceAudience.Public @InterfaceStability.Stable public class ByteWritable extends Object implements WritableComparable<ByteWritable>
コンストラクタと説明 |
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ByteWritable() |
ByteWritable(byte value) |
修飾子とタイプ | メソッドと説明 |
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int |
compareTo(ByteWritable o)
Compares two ByteWritables.
|
boolean |
equals(Object o)
Returns true iff
o is a ByteWritable with the same value. |
byte |
get()
Return the value of this ByteWritable.
|
int |
hashCode() |
void |
readFields(DataInput in)
Deserialize the fields of this object from
in . |
void |
set(byte value)
Set the value of this ByteWritable.
|
String |
toString() |
void |
write(DataOutput out)
Serialize the fields of this object to
out . |
public ByteWritable()
public ByteWritable(byte value)
public void set(byte value)
public byte get()
public void readFields(DataInput in) throws IOException
Writable
in
.
For efficiency, implementations should attempt to re-use storage in the existing object where possible.
readFields
インタフェース内 Writable
in
- DataInput
to deseriablize this object from.IOException
public void write(DataOutput out) throws IOException
Writable
out
.write
インタフェース内 Writable
out
- DataOuput
to serialize this object into.IOException
public int compareTo(ByteWritable o)
compareTo
インタフェース内 Comparable<ByteWritable>
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