@InterfaceAudience.Public @InterfaceStability.Stable public abstract class ID extends Object implements WritableComparable<ID>
JobID,
TaskID and TaskAttemptID.JobID,
TaskID,
TaskAttemptID| 修飾子 | コンストラクタと説明 |
|---|---|
protected |
ID() |
|
ID(int id)
constructs an ID object from the given int
|
| 修飾子とタイプ | メソッドと説明 |
|---|---|
int |
compareTo(ID that)
Compare IDs by associated numbers
|
boolean |
equals(Object o) |
int |
getId()
returns the int which represents the identifier
|
int |
hashCode() |
void |
readFields(DataInput in)
Deserialize the fields of this object from
in. |
String |
toString() |
void |
write(DataOutput out)
Serialize the fields of this object to
out. |
public int getId()
public int compareTo(ID that)
compareTo インタフェース内 Comparable<ID>public void readFields(DataInput in) throws IOException
Writablein.
For efficiency, implementations should attempt to re-use storage in the existing object where possible.
readFields インタフェース内 Writablein - DataInput to deseriablize this object from.IOExceptionpublic void write(DataOutput out) throws IOException
Writableout.write インタフェース内 Writableout - DataOuput to serialize this object into.IOExceptionCopyright © 2016 Apache Software Foundation. All rights reserved.