| Package | Description | 
|---|---|
| org.apache.hadoop.mapred | |
| org.apache.hadoop.mapreduce | |
| org.apache.hadoop.mapreduce.lib.jobcontrol | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | JobIDJobID represents the immutable and unique identifier for 
 the job. | 
| Modifier and Type | Method and Description | 
|---|---|
| static JobID | JobID. downgrade(JobID old)Downgrade a new JobID to an old one | 
| Constructor and Description | 
|---|
| TaskID(JobID jobId,
      boolean isMap,
      int id)Deprecated. 
 | 
| TaskID(JobID jobId,
      TaskType type,
      int id)Constructs a TaskID object from given  JobID. | 
| Modifier and Type | Method and Description | 
|---|---|
| static JobID | JobID. forName(String str)Construct a JobId object from given string | 
| JobID | TaskID. getJobID()Returns the  JobIDobject that this tip belongs to. | 
| JobID | JobContext. getJobID()Get the unique ID for the job. | 
| JobID | TaskAttemptID. getJobID()Returns the  JobIDobject that this task attempt belongs to | 
| JobID | JobStatus. getJobID() | 
| Modifier and Type | Method and Description | 
|---|---|
| Job | Cluster. getJob(JobID jobId)Get job corresponding to jobid. | 
| String | Cluster. getJobHistoryUrl(JobID jobId)Get the job history file path for a given job id. | 
| org.apache.hadoop.mapreduce.v2.LogParams | Cluster. getLogParams(JobID jobID,
            TaskAttemptID taskAttemptID)Get log parameters for the specified jobID or taskAttemptID | 
| Constructor and Description | 
|---|
| JobStatus(JobID jobid,
         float setupProgress,
         float mapProgress,
         float reduceProgress,
         float cleanupProgress,
         org.apache.hadoop.mapreduce.JobStatus.State runState,
         JobPriority jp,
         String user,
         String jobName,
         String jobFile,
         String trackingUrl)Create a job status object for a given jobid. | 
| JobStatus(JobID jobid,
         float setupProgress,
         float mapProgress,
         float reduceProgress,
         float cleanupProgress,
         org.apache.hadoop.mapreduce.JobStatus.State runState,
         JobPriority jp,
         String user,
         String jobName,
         String queue,
         String jobFile,
         String trackingUrl)Create a job status object for a given jobid. | 
| JobStatus(JobID jobid,
         float setupProgress,
         float mapProgress,
         float reduceProgress,
         float cleanupProgress,
         org.apache.hadoop.mapreduce.JobStatus.State runState,
         JobPriority jp,
         String user,
         String jobName,
         String queue,
         String jobFile,
         String trackingUrl,
         boolean isUber)Create a job status object for a given jobid. | 
| JobStatus(JobID jobid,
         float setupProgress,
         float mapProgress,
         float reduceProgress,
         float cleanupProgress,
         org.apache.hadoop.mapreduce.JobStatus.State runState,
         JobPriority jp,
         String user,
         String jobName,
         String queue,
         String jobFile,
         String trackingUrl,
         boolean isUber,
         String historyFile)Create a job status object for a given jobid. | 
| TaskID(JobID jobId,
      boolean isMap,
      int id)Deprecated.  | 
| TaskID(JobID jobId,
      TaskType type,
      int id)Constructs a TaskID object from given  JobID. | 
| Modifier and Type | Method and Description | 
|---|---|
| JobID | ControlledJob. getMapredJobId() | 
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