org.apache.sling.event.impl.jobs.scheduling

Class JobSchedulerImpl

java.lang.Object

org.apache.sling.event.impl.jobs.scheduling.JobSchedulerImpl

All Implemented Interfaces:

org.apache.sling.api.resource.observation.ExternalResourceChangeListener, org.apache.sling.api.resource.observation.ResourceChangeListener, org.apache.sling.commons.scheduler.Job, ConfigurationChangeListener

public class JobSchedulerImpl
extends Object
implements ConfigurationChangeListener, org.apache.sling.api.resource.observation.ResourceChangeListener, org.apache.sling.api.resource.observation.ExternalResourceChangeListener, org.apache.sling.commons.scheduler.Job

The scheduler for managing scheduled jobs. This is not a component by itself, it's directly created from the job manager. The job manager is also registering itself as an event handler and forwards the events to this service.

Field Summary

Fields inherited from interface org.apache.sling.api.resource.observation.ResourceChangeListener

CHANGES, PATHS

Constructor Summary

Constructors

Constructor and Description
JobSchedulerImpl(JobManagerConfiguration configuration, org.apache.sling.commons.scheduler.Scheduler scheduler, JobManagerImpl jobManager) Create the scheduler

Method Summary

Modifier and Type	Method and Description
org.apache.sling.event.jobs.ScheduledJobInfo	addScheduledJob(String topic, Map<String,Object> properties, String scheduleName, boolean isSuspended, List<ScheduleInfoImpl> scheduleInfos, List<String> errors) Add a scheduled job
void	configurationChanged(boolean processingActive) Notify about a configuration change.
org.apache.sling.event.jobs.JobBuilder.ScheduleBuilder	createJobBuilder(ScheduledJobInfoImpl info) Create a schedule builder for a currently scheduled job
void	deactivate() Deactivate this component.
void	execute(org.apache.sling.commons.scheduler.JobContext context)
Collection<org.apache.sling.event.jobs.ScheduledJobInfo>	getScheduledJobs(String topic, long limit, Map<String,Object>... templates) Get all scheduled jobs
int	getTotalNumberOfScheduledJobs() Provide the total number of jobs registered in the system, irrespective of topics
void	handleEvent(org.osgi.service.event.Event event)
void	maintenance()
void	onChange(List<org.apache.sling.api.resource.observation.ResourceChange> changes)
void	removeJob(ScheduledJobInfoImpl info) Remove a scheduled job
void	scheduleJob(ScheduledJobInfoImpl info) Add a scheduled job
void	setSuspended(ScheduledJobInfoImpl info, boolean flag) Change the suspended flag for a scheduled job
void	unscheduleJob(ScheduledJobInfoImpl info) Unschedule a scheduled job

Methods inherited from class java.lang.Object

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

Constructor Detail

JobSchedulerImpl

public JobSchedulerImpl(JobManagerConfiguration configuration,
                        org.apache.sling.commons.scheduler.Scheduler scheduler,
                        JobManagerImpl jobManager)

Create the scheduler

Parameters:

configuration - Central job manager configuration

scheduler - The scheduler service

jobManager - The job manager

Method Detail

deactivate

public void deactivate()

Deactivate this component.

configurationChanged

public void configurationChanged(boolean processingActive)

Description copied from interface: ConfigurationChangeListener

Notify about a configuration change.

Specified by:

configurationChanged in interface ConfigurationChangeListener

Parameters:

processingActive - true if job processing is active, otherwise false

See Also:

ConfigurationChangeListener.configurationChanged(boolean)

scheduleJob

public void scheduleJob(ScheduledJobInfoImpl info)

Add a scheduled job

unscheduleJob

public void unscheduleJob(ScheduledJobInfoImpl info)

Unschedule a scheduled job

removeJob

public void removeJob(ScheduledJobInfoImpl info)

Remove a scheduled job

execute

public void execute(org.apache.sling.commons.scheduler.JobContext context)

Specified by:

execute in interface org.apache.sling.commons.scheduler.Job

See Also:

Job.execute(org.apache.sling.commons.scheduler.JobContext)

handleEvent

public void handleEvent(org.osgi.service.event.Event event)

See Also:

EventHandler.handleEvent(org.osgi.service.event.Event)

createJobBuilder

public org.apache.sling.event.jobs.JobBuilder.ScheduleBuilder createJobBuilder(ScheduledJobInfoImpl info)

Create a schedule builder for a currently scheduled job

getScheduledJobs

public Collection<org.apache.sling.event.jobs.ScheduledJobInfo> getScheduledJobs(String topic,
                                                                                 long limit,
                                                                                 Map<String,Object>... templates)

Get all scheduled jobs

getTotalNumberOfScheduledJobs

public int getTotalNumberOfScheduledJobs()

Provide the total number of jobs registered in the system, irrespective of topics

Returns:

the total number of scheduled jobs

setSuspended

public void setSuspended(ScheduledJobInfoImpl info,
                         boolean flag)

Change the suspended flag for a scheduled job

Parameters:

info - The schedule info

flag - The corresponding flag

addScheduledJob

public org.apache.sling.event.jobs.ScheduledJobInfo addScheduledJob(String topic,
                                                                    Map<String,Object> properties,
                                                                    String scheduleName,
                                                                    boolean isSuspended,
                                                                    List<ScheduleInfoImpl> scheduleInfos,
                                                                    List<String> errors)

Add a scheduled job

Parameters:

topic - The job topic

properties - The job properties

scheduleName - The schedule name

isSuspended - Whether it is suspended

scheduleInfos - The scheduling information

errors - Optional list to contain potential errors

Returns:

A new job info or null

maintenance

public void maintenance()

onChange

public void onChange(List<org.apache.sling.api.resource.observation.ResourceChange> changes)

Specified by:

onChange in interface org.apache.sling.api.resource.observation.ResourceChangeListener

See Also:

ResourceChangeListener.onChange(java.util.List)