Package org.apache.sling.event.impl.jobs.queues

Class QueueJobCache

java.lang.Object

org.apache.sling.event.impl.jobs.queues.QueueJobCache

public class QueueJobCache
extends Object

The queue job cache caches jobs per queue based on the topics the queue is actively processing.

Constructor Summary

Constructors

Constructor	Description
QueueJobCache(JobManagerConfiguration configuration, String queueName, StatisticsManager statisticsManager, org.apache.sling.event.jobs.QueueConfiguration.Type queueType, Set<String> topics)	Create a new queue job cache

Method Summary

Modifier and Type	Method	Description
JobHandler	getNextJob(JobConsumerManager jobConsumerManager, StatisticsManager statisticsManager, org.apache.sling.event.jobs.Queue queue, boolean doFull)	Get the next job.
Set<String>	getTopics()	All topics of this queue.
void	handleNewTopics(Set<String> topics)	Inform the queue cache about topics containing new jobs
boolean	isEmpty()	Check whether there are jobs for this queue
void	reschedule(String queueName, JobHandler handler, StatisticsManager statisticsManager)	Reschedule a job Reschedule the job and add it back into the cache.
void	setIsBlocked(boolean value)

Methods inherited from class java.lang.Object

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

Constructor Detail

QueueJobCache

public QueueJobCache(JobManagerConfiguration configuration,
                     String queueName,
                     StatisticsManager statisticsManager,
                     org.apache.sling.event.jobs.QueueConfiguration.Type queueType,
                     Set<String> topics)

Create a new queue job cache

Parameters:

configuration - Current job manager configuration

queueName - The queue name

statisticsManager - The statistics manager

queueType - The queue type

topics - The topics handled by this queue.

Method Detail

getTopics

public Set<String> getTopics()

All topics of this queue.

Returns:

The topics.

isEmpty

public boolean isEmpty()

Check whether there are jobs for this queue

Returns:

true if there is any job outstanding.

setIsBlocked

public void setIsBlocked(boolean value)

getNextJob

public JobHandler getNextJob(JobConsumerManager jobConsumerManager,
                             StatisticsManager statisticsManager,
                             org.apache.sling.event.jobs.Queue queue,
                             boolean doFull)

Get the next job. This method is potentially called concurrently, and reschedule(String, JobHandler, StatisticsManager) and handleNewTopics(Set) can be called concurrently.

Parameters:

jobConsumerManager - The job consumer manager

statisticsManager - The statistics manager

queue - The queue

doFull - Whether to do a full scan

Returns:

The job handler or null.

handleNewTopics

public void handleNewTopics(Set<String> topics)

Inform the queue cache about topics containing new jobs

Parameters:

topics - The set of topics to scan

reschedule

public void reschedule(String queueName,
                       JobHandler handler,
                       StatisticsManager statisticsManager)

Reschedule a job Reschedule the job and add it back into the cache.

Parameters:

queueName - The queue name

handler - The job handler

statisticsManager - The statistics manager