Package com.yahoo.concurrent.maintenance

Class JobControl

java.lang.Object

com.yahoo.concurrent.maintenance.JobControl

public class JobControl
extends Object

Provides status over running maintenance jobs. This is multi-thread safe.

Author:

bratseth

Constructor Summary

Constructors

Constructor	Description
JobControl(JobControlState state)

Method Summary

Modifier and Type	Method	Description
Set<String>	inactiveJobs()	Returns a snapshot containing the currently inactive jobs in this
boolean	isActive(String jobSimpleClassName)	Returns true if this job is not currently deactivated
Set<String>	jobs()	Returns a snapshot of the set of jobs started on this system (whether deactivated or not).
Mutex	lockJob(String jobSimpleClassName)	Acquire lock for running given job
void	run(String jobSimpleClassName)	Run given job (inactive or not) immediately
void	started(String jobSimpleClassName, Maintainer maintainer)	Notifies this that a job was started

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JobControl

public JobControl(JobControlState state)

Method Detail

started

public void started(String jobSimpleClassName,
                    Maintainer maintainer)

Notifies this that a job was started

jobs

public Set<String> jobs()

Returns a snapshot of the set of jobs started on this system (whether deactivated or not). Each job is represented by its simple (omitting package) class name.

inactiveJobs

public Set<String> inactiveJobs()

Returns a snapshot containing the currently inactive jobs in this

isActive

public boolean isActive(String jobSimpleClassName)

Returns true if this job is not currently deactivated

run

public void run(String jobSimpleClassName)

Run given job (inactive or not) immediately

lockJob

public Mutex lockJob(String jobSimpleClassName)

Acquire lock for running given job