/// <summary>
/// Get the first WorkItem where the request type matches <paramref name="request" /> and if its a
/// <see cref="WorkItemStudyRequest" />, the
/// Study Instance UID also matches. The WorkItem must be Idle/Pending/InProgress status.
/// </summary>
/// <param name="request">The request to match </param>
/// <returns>The matching WorkItem or null if none found.</returns>
protected WorkItemData GetMatchingActiveWorkItem(WorkItemRequest request)
{
WorkItemData returnedItem = null;
Platform.GetService(delegate(IWorkItemService s)
{
var response = s.Query(new WorkItemQueryRequest
{
Type = request.WorkItemType,
//StudyInstanceUid =
// request is WorkItemStudyRequest
// ? (request as WorkItemStudyRequest).Study.StudyInstanceUid
// : null
});
foreach (var relatedItem in response.Items)
{
if (relatedItem.Status == WorkItemStatusEnum.Idle ||
relatedItem.Status == WorkItemStatusEnum.Pending ||
relatedItem.Status == WorkItemStatusEnum.InProgress)
{
returnedItem = relatedItem;
break;
}
}
});
return(returnedItem);
}
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;
}
}