public DateTime GetTime(TimePolicy policy)
{
DateTime time;
switch (policy)
{
case TimePolicy.EventTime:
var prop = this.Value.GetType().GetProperties().Where(prop => Attribute.IsDefined(prop, typeof(EventTime))).FirstOrDefault();
var value = prop.GetValue(Value, null);
if (value == null)
{
throw new FieldAccessException("Data type does not contain event time");
}
time = (DateTime)value;
break;
case TimePolicy.ProcessingTime:
time = TimeStamp;
break;
default:
throw new ArgumentException("Such Time policy not suported");
}
return(time);
}
public async Task InitSource(TimePolicy policy)
{
Policy = policy;
if ((NextStreamIds.Count == 0 || NextStreamGuid == null))
{
var result = await GrainFactory.GetGrain <IJob>(JobMgrId, JobMgrType.FullName).GetOutputStreams(this.GetPrimaryKey(), GetType());
if (result.HasValue)
{
NextStreamGuid = result.Value.Item1;
NextStreamIds = result.Value.Item2;
_partitioner.SetOutputStreams(NextStreamGuid, NextStreamIds);
}
else
{
throw new ArgumentNullException("No next operator found, check topology");
}
// Need to keep null types in case of sink,
}
}
