protected void InsertRequest(WorkItemRequest request, WorkItemProgress progress)
{
WorkItemInsertResponse response = null;
// Used for auditing purposes in the ShredHostService.
if (string.IsNullOrEmpty(request.UserName))
{
request.UserName = GetUserName();
}
Request = request;
Platform.GetService <IWorkItemService>(s => response = s.Insert(new WorkItemInsertRequest {
Request = request, Progress = progress
}));
// TODO (CR Jun 2012): The passed-in WorkItem contract should not be updated;
// it should be done by the service and a new instance returned, or something should be returned by this
// method to let the caller decide what to do.
if (response.Item == null)
{
WorkItem.Status = WorkItemStatusEnum.Deleted;
}
else
{
WorkItem = response.Item;
}
}
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;
}