protected override int OnStart(StudyLoaderArgs studyLoaderArgs)
{
_sops = null;
EventResult result = EventResult.Success;
var loadedInstances = new AuditedInstances();
try
{
using (var context = new DataAccessContext())
{
if (!studyLoaderArgs.Options.IgnoreInUse)
{
var workItemStatusFilter = WorkItemStatusFilter.StatusIn(
WorkItemStatusEnum.Pending,
WorkItemStatusEnum.InProgress,
WorkItemStatusEnum.Idle,
WorkItemStatusEnum.Failed);
var updateItems = context.GetWorkItemBroker().GetWorkItems(
WorkItemConcurrency.StudyUpdate,
workItemStatusFilter,
studyLoaderArgs.StudyInstanceUid);
var deleteItems = context.GetWorkItemBroker().GetWorkItems(
WorkItemConcurrency.StudyDelete,
workItemStatusFilter,
studyLoaderArgs.StudyInstanceUid);
var updateTriggerItems = context.GetWorkItemBroker().GetWorkItems(
WorkItemConcurrency.StudyUpdateTrigger,
workItemStatusFilter,
studyLoaderArgs.StudyInstanceUid);
if (updateItems.Any() || deleteItems.Any() || updateTriggerItems.Any())
{
var message = string.Format("There are work items actively modifying the study with UID '{0}'.", studyLoaderArgs.StudyInstanceUid);
throw new InUseLoadStudyException(studyLoaderArgs.StudyInstanceUid, message);
}
}
IStudy study = context.GetStudyBroker().GetStudy(studyLoaderArgs.StudyInstanceUid);
if (study == null)
{
result = EventResult.MajorFailure;
loadedInstances.AddInstance(studyLoaderArgs.StudyInstanceUid);
throw new NotFoundLoadStudyException(studyLoaderArgs.StudyInstanceUid);
}
loadedInstances.AddInstance(study.PatientId, study.PatientsName, study.StudyInstanceUid);
_sops = study.GetSopInstances().GetEnumerator();
return(study.NumberOfStudyRelatedInstances);
}
}
finally
{
AuditHelper.LogOpenStudies(new[] { AuditHelper.LocalAETitle }, loadedInstances, EventSource.CurrentUser, result);
}
}
private IEnumerable <WorkItem> GetStudyWorkItems(WorkItem workItem, WorkItemStatusFilter statusFilter)
{
//Don't bother if the work item's not for a study.
if (String.IsNullOrEmpty(workItem.StudyInstanceUid))
{
return(new List <WorkItem>());
}
var broker = _context.GetWorkItemBroker();
var workItems = broker.GetWorkItems(null, statusFilter, workItem.StudyInstanceUid);
//Shouldn't get the same one back, but do this just to be safe.
return(workItems.Where(w => w.Oid != workItem.Oid));
}
