org.flowable.job.service.impl.asyncexecutor

Class DefaultAsyncJobExecutor

java.lang.Object

org.flowable.job.service.impl.asyncexecutor.AbstractAsyncExecutor

org.flowable.job.service.impl.asyncexecutor.DefaultAsyncJobExecutor

All Implemented Interfaces:

AsyncExecutor

Direct Known Subclasses:

DefaultAsyncHistoryJobExecutor, ManagedAsyncJobExecutor, SharedExecutorServiceAsyncExecutor

public class DefaultAsyncJobExecutor
extends AbstractAsyncExecutor

Author:

Joram Barrez, Tijs Rademakers

Field Summary

Fields

Modifier and Type	Field and Description
protected Thread	asyncJobAcquisitionThread Thread responsible for async job acquisition.
protected boolean	isAsyncJobAcquisitionEnabled If true (default), the thread for acquiring async jobs will be started.
protected boolean	isResetExpiredJobEnabled If true (default), the thread for acquiring expired jobs will be started.
protected boolean	isTimerJobAcquisitionEnabled If true (default), the thread for acquiring timer jobs will be started.
protected Thread	resetExpiredJobThread Thread responsible for resetting the expired jobs.
protected boolean	shutdownTaskExecutor
protected AsyncTaskExecutor	taskExecutor The async task executor used for job execution.
protected Thread	timerJobAcquisitionThread Thread responsible for timer job acquisition.
protected boolean	unlockOwnedJobs Whether to unlock jobs that are owned by this executor (have the same lockOwner) at startup or shutdown.

Fields inherited from class org.flowable.job.service.impl.asyncexecutor.AbstractAsyncExecutor

acquireRunnableThreadName, asyncJobLockTimeInMillis, asyncJobsDueRunnable, asyncRunnableExecutionExceptionHandler, defaultAsyncJobAcquireWaitTimeInMillis, defaultQueueSizeFullWaitTime, defaultTimerJobAcquireWaitTimeInMillis, executeAsyncRunnableFactory, isActive, isAutoActivate, isMessageQueueMode, jobEntityManager, jobServiceConfiguration, lockOwner, maxAsyncJobsDuePerAcquisition, maxTimerJobsPerAcquisition, resetExpiredJobsInterval, resetExpiredJobsPageSize, resetExpiredJobsRunnable, resetExpiredRunnableName, retryWaitTimeInMillis, temporaryJobQueue, timerJobRunnable, timerLockTimeInMillis, timerRunnableNeeded

Constructor Summary

Constructors

Constructor and Description
DefaultAsyncJobExecutor()

Method Summary

Modifier and Type	Method and Description
protected ResetExpiredJobsRunnable	createResetExpiredJobsRunnable(String resetRunnableName)
protected boolean	executeAsyncJob(JobInfo job, Runnable runnable)
Thread	getAsyncJobAcquisitionThread()
int	getRemainingCapacity()
Thread	getResetExpiredJobThread()
AsyncTaskExecutor	getTaskExecutor() The optional task executor for the async executor
Thread	getTimerJobAcquisitionThread()
protected void	initAsyncJobExecutionThreadPool()
boolean	isAsyncJobAcquisitionEnabled()
boolean	isResetExpiredJobEnabled()
boolean	isTimerJobAcquisitionEnabled()
boolean	isUnlockOwnedJobs()
void	setAsyncJobAcquisitionEnabled(boolean isAsyncJobAcquisitionEnabled)
void	setAsyncJobAcquisitionThread(Thread asyncJobAcquisitionThread)
void	setResetExpiredJobEnabled(boolean isResetExpiredJobEnabled)
void	setResetExpiredJobThread(Thread resetExpiredJobThread)
void	setTaskExecutor(AsyncTaskExecutor taskExecutor) Set the task executor for this async executor.
void	setTimerJobAcquisitionEnabled(boolean isTimerJobAcquisitionEnabled)
void	setTimerJobAcquisitionThread(Thread timerJobAcquisitionThread)
void	setUnlockOwnedJobs(boolean unlockOwnedJobs)
protected void	shutdownAdditionalComponents()
protected void	startAdditionalComponents()
protected void	startJobAcquisitionThread() Starts the acquisition thread
protected void	startResetExpiredJobsThread() Starts the reset expired jobs thread
protected void	startTimerAcquisitionThread()
protected void	stopExecutingAsyncJobs()
protected void	stopJobAcquisitionThread() Stops the acquisition thread
protected void	stopResetExpiredJobsThread() Stops the reset expired jobs thread
protected void	stopTimerAcquisitionThread()
protected void	unacquireJobAfterRejection(JobInfo job)

Methods inherited from class org.flowable.job.service.impl.asyncexecutor.AbstractAsyncExecutor

createRunnableForJob, executeAsyncJob, executeTemporaryJobs, getAsyncJobLockTimeInMillis, getAsyncJobsDueRunnable, getAsyncRunnableExecutionExceptionHandler, getDefaultAsyncJobAcquireWaitTimeInMillis, getDefaultQueueSizeFullWaitTimeInMillis, getDefaultTimerJobAcquireWaitTimeInMillis, getExecuteAsyncRunnableFactory, getJobServiceConfiguration, getLockOwner, getMaxAsyncJobsDuePerAcquisition, getMaxTimerJobsPerAcquisition, getResetExpiredJobsInterval, getResetExpiredJobsPageSize, getResetExpiredJobsRunnable, getRetryWaitTimeInMillis, getTimerJobRunnable, getTimerLockTimeInMillis, initializeJobEntityManager, initializeRunnables, isActive, isAutoActivate, isMessageQueueMode, setAcquireRunnableThreadName, setAsyncJobLockTimeInMillis, setAsyncJobsDueRunnable, setAsyncRunnableExecutionExceptionHandler, setAutoActivate, setDefaultAsyncJobAcquireWaitTimeInMillis, setDefaultQueueSizeFullWaitTimeInMillis, setDefaultTimerJobAcquireWaitTimeInMillis, setExecuteAsyncRunnableFactory, setJobEntityManager, setJobServiceConfiguration, setLockOwner, setMaxAsyncJobsDuePerAcquisition, setMaxTimerJobsPerAcquisition, setMessageQueueMode, setResetExpiredJobsInterval, setResetExpiredJobsPageSize, setResetExpiredJobsRunnable, setResetExpiredRunnableName, setRetryWaitTimeInMillis, setTenantId, setTimerJobRunnable, setTimerLockTimeInMillis, setTimerRunnableNeeded, shutdown, start, stopRunnables, unlockOwnedJobs

Methods inherited from class java.lang.Object

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

Field Detail

isAsyncJobAcquisitionEnabled

protected boolean isAsyncJobAcquisitionEnabled

If true (default), the thread for acquiring async jobs will be started.

isTimerJobAcquisitionEnabled

protected boolean isTimerJobAcquisitionEnabled

If true (default), the thread for acquiring timer jobs will be started.

isResetExpiredJobEnabled

protected boolean isResetExpiredJobEnabled

If true (default), the thread for acquiring expired jobs will be started.

asyncJobAcquisitionThread

protected Thread asyncJobAcquisitionThread

Thread responsible for async job acquisition.

timerJobAcquisitionThread

protected Thread timerJobAcquisitionThread

Thread responsible for timer job acquisition.

resetExpiredJobThread

protected Thread resetExpiredJobThread

Thread responsible for resetting the expired jobs.

unlockOwnedJobs

protected boolean unlockOwnedJobs

Whether to unlock jobs that are owned by this executor (have the same lockOwner) at startup or shutdown.

taskExecutor

protected AsyncTaskExecutor taskExecutor

The async task executor used for job execution.

shutdownTaskExecutor

protected boolean shutdownTaskExecutor

Constructor Detail

DefaultAsyncJobExecutor

public DefaultAsyncJobExecutor()

Method Detail

executeAsyncJob

protected boolean executeAsyncJob(JobInfo job,
                                  Runnable runnable)

Specified by:

executeAsyncJob in class AbstractAsyncExecutor

unacquireJobAfterRejection

protected void unacquireJobAfterRejection(JobInfo job)

startAdditionalComponents

protected void startAdditionalComponents()

Specified by:

startAdditionalComponents in class AbstractAsyncExecutor

shutdownAdditionalComponents

protected void shutdownAdditionalComponents()

Specified by:

shutdownAdditionalComponents in class AbstractAsyncExecutor

createResetExpiredJobsRunnable

protected ResetExpiredJobsRunnable createResetExpiredJobsRunnable(String resetRunnableName)

Specified by:

createResetExpiredJobsRunnable in class AbstractAsyncExecutor

initAsyncJobExecutionThreadPool

protected void initAsyncJobExecutionThreadPool()

stopExecutingAsyncJobs

protected void stopExecutingAsyncJobs()

startJobAcquisitionThread

protected void startJobAcquisitionThread()

Starts the acquisition thread

startTimerAcquisitionThread

protected void startTimerAcquisitionThread()

stopJobAcquisitionThread

protected void stopJobAcquisitionThread()

Stops the acquisition thread

stopTimerAcquisitionThread

protected void stopTimerAcquisitionThread()

startResetExpiredJobsThread

protected void startResetExpiredJobsThread()

Starts the reset expired jobs thread

stopResetExpiredJobsThread

protected void stopResetExpiredJobsThread()

Stops the reset expired jobs thread

isAsyncJobAcquisitionEnabled

public boolean isAsyncJobAcquisitionEnabled()

setAsyncJobAcquisitionEnabled

public void setAsyncJobAcquisitionEnabled(boolean isAsyncJobAcquisitionEnabled)

isTimerJobAcquisitionEnabled

public boolean isTimerJobAcquisitionEnabled()

setTimerJobAcquisitionEnabled

public void setTimerJobAcquisitionEnabled(boolean isTimerJobAcquisitionEnabled)

isResetExpiredJobEnabled

public boolean isResetExpiredJobEnabled()

setResetExpiredJobEnabled

public void setResetExpiredJobEnabled(boolean isResetExpiredJobEnabled)

getTimerJobAcquisitionThread

public Thread getTimerJobAcquisitionThread()

setTimerJobAcquisitionThread

public void setTimerJobAcquisitionThread(Thread timerJobAcquisitionThread)

getAsyncJobAcquisitionThread

public Thread getAsyncJobAcquisitionThread()

setAsyncJobAcquisitionThread

public void setAsyncJobAcquisitionThread(Thread asyncJobAcquisitionThread)

getResetExpiredJobThread

public Thread getResetExpiredJobThread()

setResetExpiredJobThread

public void setResetExpiredJobThread(Thread resetExpiredJobThread)

getRemainingCapacity

public int getRemainingCapacity()

isUnlockOwnedJobs

public boolean isUnlockOwnedJobs()

setUnlockOwnedJobs

public void setUnlockOwnedJobs(boolean unlockOwnedJobs)

getTaskExecutor

public AsyncTaskExecutor getTaskExecutor()

Description copied from interface: AsyncExecutor

The optional task executor for the async executor

Returns:

the task executor used by this async executor

setTaskExecutor

public void setTaskExecutor(AsyncTaskExecutor taskExecutor)

Description copied from interface: AsyncExecutor

Set the task executor for this async executor.