private static DataValue FromDataType(DataType dt)
{
switch (dt)
{
case DataType.Bool:
return(new DataValue("false"));
case DataType.Byte:
case DataType.SByte:
case DataType.Int16:
case DataType.UInt16:
case DataType.Int32:
case DataType.UInt32:
case DataType.Int64:
case DataType.UInt64:
return(new DataValue("0"));
case DataType.Float32:
case DataType.Float64:
return(new DataValue("0.0"));
case DataType.String:
case DataType.ObjectRef:
case DataType.LocationRef:
case DataType.URI:
case DataType.Enum:
return(new DataValue("\"\""));
case DataType.JSON:
return(new DataValue("\"0.0\""));
case DataType.Guid:
return(new DataValue("\"00000000-0000-0000-0000-00000000000\""));
case DataType.NamedValue:
return(new DataValue("{ \"Name\": \"\", \"Value\": \"\"}"));
case DataType.LocalDate:
return(FromString(LocalDate.FromJavaTicks(0).ToString()));
case DataType.LocalTime:
return(FromString(LocalTime.FromMillisecondsOfDay(0).ToString()));
case DataType.LocalDateTime:
return(FromString(LocalDateTime.FromJavaTicks(0).ToString()));
case DataType.Timestamp:
return(FromString(Timestamp.FromJavaTicks(0).ToString()));
case DataType.Duration:
return(FromString(Duration.FromSeconds(0).ToString()));
case DataType.Struct:
return(new DataValue("{}"));
}
return(new DataValue(null));
}
private bool IsIntervalBetweenTimetamps(Timestamp tLeft, Timestamp tRight, History history)
{
if (!history.Interval.HasValue)
{
return(false);
}
long intervalMS = history.Interval.Value.TotalMilliseconds;
long offMS = history.Offset.HasValue ? history.Offset.Value.TotalMilliseconds : 0;
long intervals = 1 + (tLeft.JavaTicks - offMS) / intervalMS;
Timestamp tNext = Timestamp.FromJavaTicks(intervals * intervalMS + offMS);
return(tNext < tRight);
}
