public void Refresh(WorkItemRefreshRequest request)
{
ThreadPool.QueueUserWorkItem(
delegate
{
try
{
using (var context = new DataAccessContext())
{
var broker = context.GetWorkItemBroker();
var dbList = broker.GetWorkItems(null, null, null);
// send in batches of 200
foreach (var batch in BatchItems(dbList, 200))
{
WorkItemPublishSubscribeHelper.PublishWorkItemsChanged(WorkItemsChangedEventType.Refresh, batch.Select(WorkItemDataHelper.FromWorkItem).ToList());
}
}
}
catch (Exception e)
{
var message = SR.ExceptionErrorProcessingRefresh;
var exceptionMessage = String.Format("{0}\nDetail:{1}", message, e.Message);
Platform.Log(LogLevel.Error, e, exceptionMessage);
// Don't rethrow here, we're in a thread pool anyways.
}
});
}
/// <summary>
/// Method for getting next <see cref="WorkItem"/> entry.
/// </summary>
/// <param name="count">The count.</param>
/// <param name="priority">Search for stat items.</param>
/// <remarks>
/// </remarks>
/// <returns>
/// A <see cref="WorkItem"/> entry if found, or else null;
/// </returns>
private List <WorkItem> InternalGetWorkItems(int count, WorkItemPriorityEnum priority)
{
_nowRunningWorkItems.Clear();
_postponedWorkItems.Clear();
var itemsToPublish = new List <WorkItemData>();
try
{
var workItemBroker = _context.GetWorkItemBroker();
List <WorkItem> workItems = workItemBroker.GetWorkItemsForProcessing(count * 4, priority);
foreach (var item in workItems)
{
string reason;
if (CanStart(item, out reason))
{
item.Status = WorkItemStatusEnum.InProgress;
_nowRunningWorkItems.Add(item);
}
else
{
Postpone(item);
_postponedWorkItems.Add(item);
WorkItemProgress progress = item.Progress;
if (progress != null)
{
progress.StatusDetails = reason;
item.Progress = progress;
itemsToPublish.Add(WorkItemDataHelper.FromWorkItem(item));
}
}
if (_nowRunningWorkItems.Count >= count)
{
break;
}
}
_context.Commit();
return(new List <WorkItem>(_nowRunningWorkItems));
}
catch (Exception x)
{
Platform.Log(LogLevel.Warn, x, "Unexpected error querying for {0} {1} priority WorkItems", count, priority.GetDescription());
return(null);
}
finally
{
if (itemsToPublish.Count > 0)
{
WorkItemPublishSubscribeHelper.PublishWorkItemsChanged(WorkItemsChangedEventType.Update, itemsToPublish);
}
}
}