Hi,
Spend already some time on this rule which throws always an error:
import org.openhab.model.script.actions.*
rule "electricity 15 Minutes"
when
Time cron "0 0,15,30,45 0,5,10,15,20,25,30,35,40,45,50,55 * * * ?"
then
var Number PrevE
if (ElectPre15Min =! null ) {
PrevE = ElectPre15Min.state
}
else {
PrevE = ElectCounter.state
}
var Number CurE = ElectCounter.state
var Number DeltaE = (CurE - PrevE)*12
postUpdate(ElectDelta15Min, DeltaE)
postUpdate(ElectPre15Min, CurE)
end
rule "gas 15 Minutes"
when
Time cron "0 0,5,10,15,20,25,30,35,40,45,50,55 * * * ?"
then
var Number PrevG
if (GasPre15Min.state =! null ) {
PrevG = GasPre15Min.state
}
else {
PrevG = GasCounter.state
}
var Number CurG = GasCounter.state
var Number DeltaG = (CurG - PrevG)*12
postUpdate(GasDelta15Min, DeltaG)
postUpdate(GasPre15Min, CurG)
end
// Energy
Group g_Energy
Number GasCounter "HM Gas Counter [%.2f m2]" <energy> (g_Energy) { channel="homematic:HM-ES-TX-WM:637956a7:MEQ0706399:1#GAS_ENERGY_COUNTER" }
Number GasCurrent "HM Gas Current [%.2f m2]" <energy> (g_Energy) { channel="homematic:HM-ES-TX-WM:637956a7:MEQ0706399:1#GAS_POWER" }
Number GasPre15Min "HM Gas Counter 15 Mins ago" <energy> (g_Energy)
Number GasDelta15Min "HM Gas Delta 15 Mins" <energy> (g_Energy)
Number ElectCounter "HM Electricity Counter [%.2f Wh]" <energy> (g_Energy) { channel="homematic:HM-ES-TX-WM:637956a7:MEQ0703969:1#ENERGY_COUNTER" }
Number ElectCurrent "HM Electricity Current [%.2f W]" <energy> (g_Energy) { channel="homematic:HM-ES-TX-WM:637956a7:MEQ0703969:1#POWER" }
Number ElectPre15Min "HM Electricity Counter 15 Mins ago" <energy> (g_Energy)
Number ElectDelta15Min "HM Electricity Delta 15 Mins" <energy> (g_Energy)
Can someone give me hint whats wrong
2017-01-20 15:55:00.828 [ERROR] [ntime.internal.engine.ExecuteRuleJob] - Error during the execution of rule electricity 15 Minutes: An error occured during the script execution: The name '! <XNullLiteralImplCustom>' cannot be resolved to an item or type.
Eroor is thrown at:
if (ElectPre15Min =! null ) {