private WorkflowInstanceQuery Match(WorkflowInstanceRecord workflowRecord)
{
WorkflowInstanceQuery trackingQuery = null;
if (_workflowEventSubscriptions != null)
{
if (!_workflowEventSubscriptions.TryGetValue(workflowRecord.State, out trackingQuery))
{
_workflowEventSubscriptions.TryGetValue("*", out trackingQuery);
}
}
return(trackingQuery);
}
private void AddWorkflowSubscription(WorkflowInstanceQuery workflowTrackingQuery)
{
_trackingRecordPreFilter.TrackWorkflowInstanceRecords = true;
if (_workflowEventSubscriptions == null)
{
_workflowEventSubscriptions = new Dictionary <string, WorkflowInstanceQuery>();
}
if (workflowTrackingQuery.HasStates)
{
foreach (string state in workflowTrackingQuery.States)
{
//if duplicates are found, use only the first subscription for a given state.
if (!_workflowEventSubscriptions.ContainsKey(state))
{
_workflowEventSubscriptions.Add(state, workflowTrackingQuery);
}
}
}
}