private void Publish(bool saveToDatabase)
{
if (saveToDatabase)
{
try
{
using (var context = new DataAccessContext(DataAccessContext.WorkItemMutex))
{
var broker = context.GetWorkItemBroker();
Item = broker.GetWorkItem(Item.Oid);
Item.Progress = Progress;
context.Commit();
}
}
catch (Exception)
{
// Saw ChangeCOnflictException here a few times
}
}
else
{
Item.Progress = Progress;
}
WorkItemPublishSubscribeHelper.PublishWorkItemChanged(WorkItemsChangedEventType.Update, WorkItemDataHelper.FromWorkItem(Item));
}
protected override void ProcessItem(Study study)
{
var result = EventResult.Success;
try
{
WorkItem item;
using (var context = new DataAccessContext(DataAccessContext.WorkItemMutex))
{
item = ProcessStudy(study.Oid, context);
context.Commit();
}
if (item != null)
{
WorkItemPublishSubscribeHelper.PublishWorkItemChanged(WorkItemsChangedEventType.Update, WorkItemDataHelper.FromWorkItem(item));
}
}
catch (Exception)
{
result = EventResult.MajorFailure;
throw;
}
finally
{
var instances = new AuditedInstances();
instances.AddInstance(study.PatientId, study.PatientsName, study.StudyInstanceUid);
AuditHelper.LogDeleteStudies(AuditHelper.LocalAETitle, instances, EventSource.CurrentUser, result);
}
}
public WorkItemInsertResponse Insert(WorkItemInsertRequest request)
{
// TODO (CR Jun 2012): The fact that there is special processing in here for particular types of work items
// indicates there is something wrong with the design that may make adding custom work item types difficult.
// Maybe the different "processors" need to perform the insert, or at least have some kind of method (rule)
// for processing the insert?
var response = new WorkItemInsertResponse();
var now = DateTime.Now;
var item = new Interface.WorkItem
{
Request = request.Request,
Progress = request.Progress,
Type = request.Request.WorkItemType,
Priority = request.Request.Priority,
ScheduledTime = now.AddSeconds(WorkItemServiceSettings.Default.InsertDelaySeconds),
ProcessTime = now.AddSeconds(WorkItemServiceSettings.Default.InsertDelaySeconds),
DeleteTime = now.AddMinutes(WorkItemServiceSettings.Default.DeleteDelayMinutes),
ExpirationTime = now.AddSeconds(WorkItemServiceSettings.Default.ExpireDelaySeconds),
RequestedTime = now,
Status = WorkItemStatusEnum.Pending
};
IoC.Get <IWorkItemOperation>().AddWorkItem(item);
WorkItemPublishSubscribeHelper.PublishWorkItemChanged(WorkItemsChangedEventType.Update, response.Item);
if (WorkItemProcessor.Instance != null)
{
WorkItemProcessor.Instance.SignalThread();
}
return(response);
}
public WorkItemPublishResponse Publish(WorkItemPublishRequest request)
{
try
{
WorkItemPublishSubscribeHelper.PublishWorkItemChanged(WorkItemsChangedEventType.Update, request.Item);
return(new WorkItemPublishResponse());
}
catch (Exception e)
{
var message = "Failed to process WorkItem Publish request.";
var exceptionMessage = String.Format("{0}\nDetail:{1}", message, e.Message);
throw new WorkItemServiceException(exceptionMessage);
}
}
public WorkItemUpdateResponse Update(WorkItemUpdateRequest request)
{
var response = new WorkItemUpdateResponse();
var workItem = IoC.Get <IWorkItemOperation>().GetWorkItem(request.Identifier);
if (workItem == null)
{
response.Item = null;
return(response);
}
var deleted = false;
if (request.Delete.HasValue && request.Delete.Value)
{
if (workItem.Status != WorkItemStatusEnum.InProgress)
{
workItem.Status = WorkItemStatusEnum.Deleted;
deleted = true;
// If StudyDelete we're removing, "undelete" the study
// CheckDeleteStudyCanceled(context, workItem);
}
}
if (!deleted)
{
if (request.ExpirationTime.HasValue)
{
workItem.ExpirationTime = request.ExpirationTime.Value;
}
if (request.Priority.HasValue)
{
workItem.Priority = request.Priority.Value;
}
if (request.Status.HasValue && workItem.Status != WorkItemStatusEnum.InProgress)
{
workItem.Status = request.Status.Value;
if (request.Status.Value == WorkItemStatusEnum.Canceled)
{
workItem.DeleteTime =
DateTime.Now.AddMinutes(WorkItemServiceSettings.Default.DeleteDelayMinutes);
}
else if (request.Status.Value == WorkItemStatusEnum.Pending)
{
workItem.ScheduledTime = DateTime.Now;
workItem.FailureCount = 0;
}
// Cache the UserIdentityContext for later use by the shred
//if (workItem.Request.WorkItemType.Equals(ImportFilesRequest.WorkItemTypeString) &&
// request.Status.Value == WorkItemStatusEnum.Pending)
// UserIdentityCache.Put(workItem.Oid, UserIdentityContext.CreateFromCurrentThreadPrincipal());
}
if (request.ProcessTime.HasValue)
{
workItem.ProcessTime = request.ProcessTime.Value;
}
// Cancel
if (request.Cancel.HasValue && request.Cancel.Value)
{
if (workItem.Progress == null || workItem.Progress.IsCancelable)
{
if (workItem.Status.Equals(WorkItemStatusEnum.Idle) ||
workItem.Status.Equals(WorkItemStatusEnum.Pending))
{
workItem.Status = WorkItemStatusEnum.Canceled;
// If StudyDelete we're removing, "undelete" the study
// CheckDeleteStudyCanceled(context, workItem);
}
else if (workItem.Status.Equals(WorkItemStatusEnum.InProgress))
{
// Abort the WorkItem
WorkItemProcessor.Instance.Cancel(workItem.Oid);
}
}
}
// Pause
if (request.Pause.HasValue && request.Pause.Value)
{
if (workItem.Progress == null || workItem.Progress.IsPauseable)
{
if (workItem.Status.Equals(WorkItemStatusEnum.Idle) ||
workItem.Status.Equals(WorkItemStatusEnum.Pending))
{
workItem.Status = WorkItemStatusEnum.Pause;
}
else if (workItem.Status.Equals(WorkItemStatusEnum.InProgress))
{
// Pause the WorkItem
WorkItemProcessor.Instance.Pause(workItem.Oid);
}
}
}
IoC.Get <IWorkItemOperation>().SaveWorkItem(workItem);
response.Item = WorkItemDataHelper.FromWorkItem(workItem);
}
WorkItemPublishSubscribeHelper.PublishWorkItemChanged(WorkItemsChangedEventType.Update, response.Item);
return(response);
}
public WorkItemInsertResponse Insert(WorkItemInsertRequest request)
{
// TODO (CR Jun 2012): The fact that there is special processing in here for particular types of work items
// indicates there is something wrong with the design that may make adding custom work item types difficult.
// Maybe the different "processors" need to perform the insert, or at least have some kind of method (rule)
// for processing the insert?
var response = new WorkItemInsertResponse();
using (var context = new DataAccessContext(DataAccessContext.WorkItemMutex))
{
DateTime now = Platform.Time;
var broker = context.GetWorkItemBroker();
if (request.Request.WorkItemType.Equals(ReindexRequest.WorkItemTypeString))
{
var list = broker.GetWorkItems(request.Request.WorkItemType, null, null);
foreach (var workItem in list)
{
if (workItem.Status == WorkItemStatusEnum.Pending ||
workItem.Status == WorkItemStatusEnum.InProgress)
{
response.Item = WorkItemDataHelper.FromWorkItem(workItem);
return(response);
}
}
}
var deleteStudyRequest = request.Request as DeleteStudyRequest;
if (deleteStudyRequest != null)
{
var list = broker.GetWorkItems(request.Request.WorkItemType, null, deleteStudyRequest.Study.StudyInstanceUid);
foreach (var workItem in list)
{
if (workItem.Status == WorkItemStatusEnum.Pending ||
workItem.Status == WorkItemStatusEnum.InProgress)
{
// Mark studies to delete as "deleted" in the database.
var studyBroker = context.GetStudyBroker();
var study = studyBroker.GetStudy(deleteStudyRequest.Study.StudyInstanceUid);
if (study != null)
{
study.Deleted = true;
context.Commit();
}
response.Item = WorkItemDataHelper.FromWorkItem(workItem);
return(response);
}
}
}
var item = new WorkItem
{
Request = request.Request,
Progress = request.Progress,
Type = request.Request.WorkItemType,
Priority = request.Request.Priority,
ScheduledTime = now.AddSeconds(WorkItemServiceSettings.Default.InsertDelaySeconds),
ProcessTime = now.AddSeconds(WorkItemServiceSettings.Default.InsertDelaySeconds),
DeleteTime = now.AddMinutes(WorkItemServiceSettings.Default.DeleteDelayMinutes),
ExpirationTime = now.AddSeconds(WorkItemServiceSettings.Default.ExpireDelaySeconds),
RequestedTime = now,
Status = WorkItemStatusEnum.Pending
};
var studyRequest = request.Request as WorkItemStudyRequest;
if (studyRequest != null)
{
item.StudyInstanceUid = studyRequest.Study.StudyInstanceUid;
if (request.Request.WorkItemType.Equals(DeleteStudyRequest.WorkItemTypeString))
{
// Mark studies to delete as "deleted" in the database.
var studyBroker = context.GetStudyBroker();
var study = studyBroker.GetStudy(studyRequest.Study.StudyInstanceUid);
if (study != null)
{
study.Deleted = true;
}
}
}
broker.AddWorkItem(item);
context.Commit();
response.Item = WorkItemDataHelper.FromWorkItem(item);
}
// Cache the UserIdentityContext for later use by the shred
if (request.Request.WorkItemType.Equals(ImportFilesRequest.WorkItemTypeString))
{
UserIdentityCache.Put(response.Item.Identifier, UserIdentityContext.CreateFromCurrentThreadPrincipal());
}
WorkItemPublishSubscribeHelper.PublishWorkItemChanged(WorkItemsChangedEventType.Update, response.Item);
if (WorkItemProcessor.Instance != null)
{
WorkItemProcessor.Instance.SignalThread();
}
return(response);
}
