Class ID

  extended by org.apache.hadoop.mapreduce.ID
      extended by org.apache.hadoop.mapred.ID
All Implemented Interfaces:
Comparable<ID>, Writable, WritableComparable<ID>
Direct Known Subclasses:
JobID, TaskAttemptID, TaskID

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
Constructor Summary
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 Detail


public ID(int id)
constructs an ID object from the given int


protected ID()

Copyright © 2009 The Apache Software Foundation