Package lumis.portal.processqueue

Interface IProcessQueueManagerSPI

All Superinterfaces:

IProcessQueueManager

All Known Implementing Classes:

QueueManager

public interface IProcessQueueManagerSPI
extends IProcessQueueManager

Manager that controls the consumption part of a queue.

Since:

6.1.0

Version:

$Revision$ $Date$

Method Summary

Modifier and Type	Method	Description
boolean	existsTaskWithLockNotRunning(java.lang.String lockId)	Check if exists a task with given lock identifier that is not running.
IQueueTaskProcess	getNextQueueTaskProcessForExecution()	Returns the next task process for execution.
void	removeFromQueue(IQueueTaskProcess item, boolean notifyListeners)	Removes from queue the current item.
void	setFailedStatus(IQueueTaskProcess queueItem)	Sets the given process the status of QueueTaskProcessStatus.Failed.

Methods inherited from interface lumis.portal.processqueue.IProcessQueueManager

getQueueStatistics, getTaskProcess, getTaskProcessByOwnerId, isActive, reprocess, schedule

Method Detail

getNextQueueTaskProcessForExecution

IQueueTaskProcess getNextQueueTaskProcessForExecution()
                                               throws PortalException,
                                                      java.lang.InterruptedException

Returns the next task process for execution. This method waits until there is a task process available.

The returned task will already have its status changed to QueueTaskProcessStatus.Running.

Returns:

the task process.

Throws:

PortalException - if there is an error obtaining the process.

java.lang.InterruptedException - if the current thread is interrupted or if process queue became inactive.

Since:

7.0.0

removeFromQueue

void removeFromQueue(IQueueTaskProcess item,
                     boolean notifyListeners)
              throws PortalException

Removes from queue the current item.

Parameters:

item - to be removed from queue.

notifyListeners - if the threads should be waken up.

Throws:

PortalException

Since:

6.1.0

setFailedStatus

void setFailedStatus(IQueueTaskProcess queueItem)
              throws PortalException

Sets the given process the status of QueueTaskProcessStatus.Failed.

Parameters:

queueItem - item to be put in failed status.

Throws:

PortalException

Since:

6.1.0

existsTaskWithLockNotRunning

boolean existsTaskWithLockNotRunning(java.lang.String lockId)

Check if exists a task with given lock identifier that is not running.

Parameters:

lockId - the lock identifier.

Returns:

true if exists a task with given lock identifier that is not running.

Since:

12.3.0