Uses of Class org.apache.hadoop.mapreduce.ID (Hadoop 1.2.1 API)
Date: 2013-07-22

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## Uses of Class
org.apache.hadoop.mapreduce.ID

Packages that use ID
org.apache.hadoop.mapred | A software framework for easily writing applications which process vast amounts of data (multi-terabyte data-sets) parallelly on large clusters (thousands of nodes) built of commodity hardware in a reliable, fault-tolerant manner.
org.apache.hadoop.mapreduce |

Uses of ID in org.apache.hadoop.mapred

Subclasses of ID in org.apache.hadoop.mapred
`class` | `ID` A general identifier, which internally stores the id as an integer.

Uses of ID in org.apache.hadoop.mapreduce

Subclasses of ID in org.apache.hadoop.mapreduce
`class` | `JobID` JobID represents the immutable and unique identifier for the job.
`class` | `TaskAttemptID` TaskAttemptID represents the immutable and unique identifier for a task attempt.
`class` | `TaskID` TaskID represents the immutable and unique identifier for a Map or Reduce Task.

Methods in org.apache.hadoop.mapreduce with parameters of type ID
`int` | `JobID.compareTo(ID o)` Compare JobIds by first jtIdentifiers, then by job numbers
`int` | `ID.compareTo(ID that)` Compare IDs by associated numbers
`int` | `TaskAttemptID.compareTo(ID o)` Compare TaskIds by first tipIds, then by task numbers.
`int` | `TaskID.compareTo(ID o)` Compare TaskInProgressIds by first jobIds, then by tip numbers.

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