Operation Details
Description: This method is called in the TaskManagement.validateReserve() method to check that either the task is assigned to the current user or else that the task is assigned to a work queue to which the current user is subscribed.
Sterotype: nsmulti
SQL 
SELECT
  WorkQueueSubscription.userName
INTO
  :userName 
FROM
  WorkQueueSubscription,
  TaskAssignment ta 
WHERE ta.taskID = :taskID 
  AND ta.assigneeType = :assigneeType 
  AND ta.relatedID = WorkQueueSubscription.workQueueID