Package org.apache.hadoop.mapred

Class ID

java.lang.Object

org.apache.hadoop.mapreduce.ID

org.apache.hadoop.mapred.ID

All Implemented Interfaces:

Comparable<ID>, Writable, WritableComparable<ID>

Direct Known Subclasses:

JobID, TaskAttemptID, TaskID

@Public
@Stable
public abstract class ID
extends ID

A general identifier, which internally stores the id as an integer. This is the super class of JobID, TaskID and TaskAttemptID.

See Also:

• JobID
• TaskID
• TaskAttemptID

Field Summary

Fields inherited from class org.apache.hadoop.mapreduce.ID

id, SEPARATOR

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ID()
	ID(int id)	constructs an ID object from the given int

Method Summary

Methods inherited from class org.apache.hadoop.mapreduce.ID

compareTo, equals, getId, hashCode, readFields, toString, write

Methods inherited from class java.lang.Object

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

Constructor Details

ID

public ID(int id)

constructs an ID object from the given int

ID

protected ID()