| Package | Description |
|---|---|
| org.apache.hadoop.mapred | |
| org.apache.hadoop.mapreduce |
| Modifier and Type | Class and Description |
|---|---|
class |
ID
A general identifier, which internally stores the id
as an integer.
|
| Modifier and Type | Class and Description |
|---|---|
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.
|
| Modifier and Type | Method and Description |
|---|---|
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.
|
int |
JobID.compareTo(ID o)
Compare JobIds by first jtIdentifiers, then by job numbers
|
int |
ID.compareTo(ID that)
Compare IDs by associated numbers
|
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