org.glassfish.api.admin

Interface JobManager

@Contract
public interface JobManager

This is the contract for the JobManagerService The JobManager will be responsible for 1. generating unique ids for jobs 2. serving as a registry for jobs 3. creating thread pools for jobs 4.removing expired jobs

Author:

Martin Mares, Bhakti Mehta

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	JobManager.Checkpoint Container for checkpoint related objects

Method Summary

Modifier and Type	Method and Description
void	checkpoint(AdminCommand command, AdminCommandContext context) Stores current command state.
void	checkpoint(AdminCommandContext context, Serializable data) Stores current command state.
Job	get(String id) This method is used to get a job by its id
Object	getCompletedJobForId(String id) This is a convenience method to get a completed job with an id
JobInfos	getCompletedJobs(File jobs) This will get the list of jobs from the job registry which have completed
Iterator<Job>	getJobs() This method will return the list of jobs in the job registry
File	getJobsFile() This is used to get the jobs file for a job
String	getNewId() This method is used to generate a unique id for a managed job
<T extends Serializable> T	loadCheckpointData(String jobId) Load checkpoint related data.
Object	purgeCompletedJobForId(String id) This is used to purge a completed job whose id is provided
void	purgeJob(String id) This will purge the job associated with the id from the registry
void	registerJob(Job instance) This method will register the job in the job registry

Method Detail

getNewId

String getNewId()

This method is used to generate a unique id for a managed job

Returns:

returns a new id for the job

registerJob

void registerJob(Job instance)
          throws IllegalArgumentException

This method will register the job in the job registry

Parameters:

instance - job to be registered

Throws:

IllegalArgumentException

getJobs

Iterator<Job> getJobs()

This method will return the list of jobs in the job registry

Returns:

list of jobs

get

Job get(String id)

This method is used to get a job by its id

Parameters:

id - The id to look up the job in the job registry

Returns:

the Job

purgeJob

void purgeJob(String id)

This will purge the job associated with the id from the registry

Parameters:

id - the id of the Job which needs to be purged

getCompletedJobs

JobInfos getCompletedJobs(File jobs)

This will get the list of jobs from the job registry which have completed

Returns:

the details of all completed jobs using JobInfos

getCompletedJobForId

Object getCompletedJobForId(String id)

This is a convenience method to get a completed job with an id

Parameters:

id - the completed Job whose id needs to be looked up

Returns:

the completed Job

purgeCompletedJobForId

Object purgeCompletedJobForId(String id)

This is used to purge a completed job whose id is provided

Parameters:

id - the id of the Job which needs to be purged

Returns:

the new list of completed jobs

getJobsFile

File getJobsFile()

This is used to get the jobs file for a job

Returns:

the location of the job file

checkpoint

void checkpoint(AdminCommand command,
                AdminCommandContext context)
         throws IOException

Stores current command state.

Throws:

IOException

checkpoint

void checkpoint(AdminCommandContext context,
                Serializable data)
         throws IOException

Stores current command state.

Throws:

IOException

loadCheckpointData

<T extends Serializable> T loadCheckpointData(String jobId)
                                       throws IOException,
                                              ClassNotFoundException

Load checkpoint related data.

Throws:

IOException

ClassNotFoundException