Design Pattern: Simple State Machine (e.g. Time Of Day)

[Udo_Hartmann]

DateTime Items can’t be used as DateTime vars. If referring to the Item state, you have to use

DT_Feed_Last.state

and there is no plusDays method for IDateTime Items either. Instead, you have to build a DateTime var which is the same as the Item state. see

DateTime Conversion (openHAB 2.x)

Because openHAB 3.x rules now use Java Time API instead of Jodatime, there is a new DateTime Conversion thread for openHAB 3.x. Overview In openHab 2.x there are different ways to handle Date/Time values. DateTimeType A DateTime Item carries a DateTimeType. Joda DateTime By default openHAB 2.x-Rules use a Joda DateTime class to represent time, most notably now. Epoch The lowest common denominator when working with time is to get at the epoc value. Epoc is the number of milliseconds …