public override List <RFInstruction> React(RFEvent e)
{
var cu = e as RFCatalogUpdateEvent;
if (cu != null && cu.Key != null && cu.Key.GraphInstance != null && cu.Key.MatchesRoot(_key))
{
var key = cu.Key;
var updateDate = key.GraphInstance.ValueDate.Value;
var processingDate = _dateFunc(key.GraphInstance); // this can be a forward date in case of a range input, but usually 1:1 with key's date
var instructions = new List <RFInstruction>();
if (_dateBehaviour != RFDateBehaviour.Previous)
{
instructions.Add(new RFGraphProcessInstruction(cu.Key.GraphInstance.WithDate(processingDate), _processName));
}
// for exact inputs there's no need to queue any forward instructions
if (_dateBehaviour != RFDateBehaviour.Exact)
{
var maxDate = RFDate.NullDate;
// use key's original updatedate rather than derived processingdate for the instruction
var laterInstances = _context.GetKeyInstances(key).Where(k => k.Key.Name == key.GraphInstance.Name && k.Key.ValueDate.HasValue)
.Where(d => d.Key.ValueDate.Value > updateDate);
if (laterInstances.Any())
{
maxDate = laterInstances.Min(i => i.Key.ValueDate.Value); // next instance date
if (_dateBehaviour == RFDateBehaviour.Latest || _dateBehaviour == RFDateBehaviour.Range)
{
maxDate = maxDate.OffsetDays(-1); // exclude next instance date (for Previous - it will run)
}
}
else // there are no future instances... so how far do we go?
{
maxDate = _maxDateFunc(updateDate);
}
if (maxDate < updateDate)
{
maxDate = updateDate; // don't do anything
}
var maxInstanceDate = _maxDateFunc(_context.Today);
var nextDate = key.GraphInstance.ValueDate.Value.OffsetDays(1);
var forwardProcessingDates = new SortedSet <RFDate>(); // eliminate dupes
foreach (var forwardUpdateDate in RFDate.Range(nextDate, maxDate, d => true))
{
var forwardProcessingDate = _dateFunc(key.GraphInstance.WithDate(forwardUpdateDate));
if (forwardProcessingDate != processingDate && forwardProcessingDate <= maxInstanceDate)
{
forwardProcessingDates.Add(forwardProcessingDate);
}
}
if (forwardProcessingDates.Any())
{
instructions.AddRange(forwardProcessingDates.Select(d => new RFGraphProcessInstruction(key.GraphInstance.WithDate(d), _processName)));
_context.SystemLog.Debug(this, "Queuing {0} forward instructions for key {1} from {2} to {3}", forwardProcessingDates.Count, key.FriendlyString(), nextDate, maxDate);
}
}
return(instructions);
}
else
{
return(null);
}
}
