public virtual void DeleteAttachmentsByTaskId(string taskId)
{
CheckHistoryEnabled();
IList <IAttachmentEntity> attachments = FindAttachmentsByTaskId(taskId);
bool dispatchEvents = EventDispatcher.Enabled;
string processInstanceId = null;
string processDefinitionId = null;
string executionId = null;
if (dispatchEvents && attachments != null && attachments.Count > 0)
{
// Forced to fetch the task to get hold of the process definition
// for event-dispatching, if available
ITask task = TaskEntityManager.FindById <ITask>(new KeyValuePair <string, object>("id", taskId));
if (task != null)
{
processDefinitionId = task.ProcessDefinitionId;
processInstanceId = task.ProcessInstanceId;
executionId = task.ExecutionId;
}
}
foreach (IAttachment attachment in attachments)
{
string contentId = attachment.ContentId;
if (!(contentId is null))
{
ByteArrayEntityManager.DeleteByteArrayById(contentId);
}
attachmentDataManager.Delete((IAttachmentEntity)attachment);
if (dispatchEvents)
{
EventDispatcher.DispatchEvent(ActivitiEventBuilder.CreateEntityEvent(ActivitiEventType.ENTITY_DELETED, attachment, executionId, processInstanceId, processDefinitionId));
}
}
}
public virtual void DeleteDataForExecution(IExecutionEntity executionEntity, string deleteReason, bool cancel)
{
// To start, deactivate the current incoming execution
executionEntity.Ended = true;
executionEntity.IsActive = false;
bool enableExecutionRelationshipCounts = IsExecutionRelatedEntityCountEnabled(executionEntity);
if (executionEntity.Id.Equals(executionEntity.ProcessInstanceId) && (!enableExecutionRelationshipCounts || (enableExecutionRelationshipCounts && ((ICountingExecutionEntity)executionEntity).IdentityLinkCount > 0)))
{
IIdentityLinkEntityManager identityLinkEntityManager = IdentityLinkEntityManager;
ICollection <IIdentityLinkEntity> identityLinks = identityLinkEntityManager.FindIdentityLinksByProcessInstanceId(executionEntity.ProcessInstanceId);
foreach (IIdentityLinkEntity identityLink in identityLinks)
{
identityLinkEntityManager.Delete(identityLink);
}
}
// Get variables related to execution and delete them
if (!enableExecutionRelationshipCounts || (enableExecutionRelationshipCounts && ((ICountingExecutionEntity)executionEntity).VariableCount > 0))
{
ICollection <IVariableInstance> executionVariables = executionEntity.VariableInstancesLocal.Values;
foreach (IVariableInstance variableInstance in executionVariables)
{
if (variableInstance is IVariableInstanceEntity variableInstanceEntity)
{
IVariableInstanceEntityManager variableInstanceEntityManager = VariableInstanceEntityManager;
variableInstanceEntityManager.Delete(variableInstanceEntity);
if (variableInstanceEntity.ByteArrayRef != null && variableInstanceEntity.ByteArrayRef.Id is object)
{
ByteArrayEntityManager.DeleteByteArrayById(variableInstanceEntity.ByteArrayRef.Id);
}
}
}
}
// Delete current user tasks
if (!enableExecutionRelationshipCounts || (enableExecutionRelationshipCounts && ((ICountingExecutionEntity)executionEntity).TaskCount > 0))
{
ITaskEntityManager taskEntityManager = TaskEntityManager;
ICollection <ITaskEntity> tasksForExecution = taskEntityManager.FindTasksByExecutionId(executionEntity.Id);
foreach (ITaskEntity taskEntity in tasksForExecution)
{
taskEntityManager.DeleteTask(taskEntity, deleteReason, false, cancel);
}
}
// Delete jobs
if (!enableExecutionRelationshipCounts || (enableExecutionRelationshipCounts && ((ICountingExecutionEntity)executionEntity).TimerJobCount > 0))
{
ITimerJobEntityManager timerJobEntityManager = TimerJobEntityManager;
ICollection <ITimerJobEntity> timerJobsForExecution = timerJobEntityManager.FindJobsByExecutionId(executionEntity.Id);
foreach (ITimerJobEntity job in timerJobsForExecution)
{
timerJobEntityManager.Delete(job);
if (EventDispatcher.Enabled)
{
EventDispatcher.DispatchEvent(ActivitiEventBuilder.CreateEntityEvent(ActivitiEventType.JOB_CANCELED, job));
}
}
}
if (!enableExecutionRelationshipCounts || (enableExecutionRelationshipCounts && ((ICountingExecutionEntity)executionEntity).JobCount > 0))
{
IJobEntityManager jobEntityManager = JobEntityManager;
ICollection <IJobEntity> jobsForExecution = jobEntityManager.FindJobsByExecutionId(executionEntity.Id);
foreach (IJobEntity job in jobsForExecution)
{
JobEntityManager.Delete(job);
if (EventDispatcher.Enabled)
{
EventDispatcher.DispatchEvent(ActivitiEventBuilder.CreateEntityEvent(ActivitiEventType.JOB_CANCELED, job));
}
}
}
if (!enableExecutionRelationshipCounts || (enableExecutionRelationshipCounts && ((ICountingExecutionEntity)executionEntity).SuspendedJobCount > 0))
{
ISuspendedJobEntityManager suspendedJobEntityManager = SuspendedJobEntityManager;
ICollection <ISuspendedJobEntity> suspendedJobsForExecution = suspendedJobEntityManager.FindJobsByExecutionId(executionEntity.Id);
foreach (ISuspendedJobEntity job in suspendedJobsForExecution)
{
suspendedJobEntityManager.Delete(job);
if (EventDispatcher.Enabled)
{
EventDispatcher.DispatchEvent(ActivitiEventBuilder.CreateEntityEvent(ActivitiEventType.JOB_CANCELED, job));
}
}
}
if (!enableExecutionRelationshipCounts || (enableExecutionRelationshipCounts && ((ICountingExecutionEntity)executionEntity).DeadLetterJobCount > 0))
{
IDeadLetterJobEntityManager deadLetterJobEntityManager = DeadLetterJobEntityManager;
ICollection <IDeadLetterJobEntity> deadLetterJobsForExecution = deadLetterJobEntityManager.FindJobsByExecutionId(executionEntity.Id);
foreach (IDeadLetterJobEntity job in deadLetterJobsForExecution)
{
deadLetterJobEntityManager.Delete(job);
if (EventDispatcher.Enabled)
{
EventDispatcher.DispatchEvent(ActivitiEventBuilder.CreateEntityEvent(ActivitiEventType.JOB_CANCELED, job));
}
}
}
// Delete event subscriptions
if (!enableExecutionRelationshipCounts || (enableExecutionRelationshipCounts && ((ICountingExecutionEntity)executionEntity).EventSubscriptionCount > 0))
{
IEventSubscriptionEntityManager eventSubscriptionEntityManager = EventSubscriptionEntityManager;
IList <IEventSubscriptionEntity> eventSubscriptions = eventSubscriptionEntityManager.FindEventSubscriptionsByExecution(executionEntity.Id);
foreach (IEventSubscriptionEntity eventSubscription in eventSubscriptions)
{
eventSubscriptionEntityManager.Delete(eventSubscription);
}
}
}