rw.rules

import org.openhab.model.script.actions.Timer

var Timer timer = null
var boolean washerStarted = false
var float washerPowerThreshold = 3.0
var int washerFinishedTimeout = 60

rule "Send notification when washer is finished"
when
    Item HS110_Power changed
then
    if(washerStarted) {
        if(HS110_Power.state<washerPowerThreshold) {
            timer = createTimer(now.plusSeconds(washerFinishedTimeout)) [|
                washerStarted = false
                // Send notification
                logInfo("washer", "Finished, send notification")
                sendNotification("email@gmail.com", "Washer has finished!")
                timer.cancel
                timer = null
            ]
        }else {
            if(timer!==null) {
                timer.cancel
                timer = null
            }
        }
    }
    else if(HS110_Power.state>=washerPowerThreshold) {
        logInfo("washer", HS110_Power.state.toString)
        logInfo("washer", "started")
        washerStarted = true
   }
end