func NewDefaultObservation() *gossamer.ObservationEntity {
e := gossamer.NewObservationEntity()
e.PhenomenonTime = gossamer.NewTimePeriod(time.Now(), time.Now())
e.ResultTime = gossamer.NewTimeInstant(time.Now())
e.Result = 123
return e
// "Datastream":{"@iot.id":100}
}
func InsertObservation(c gossamer.Client) {
obs := &gossamer.ObservationEntity{}
obs.PhenomenonTime = gossamer.NewTimePeriod(time.Now(), time.Now())
obs.Result = "123"
obs.ResultTime = gossamer.NewTimeInstant(time.Now())
ds := &gossamer.DatastreamEntity{}
ds.Id = "Datastream-1"
obs.Datastream = ds
err := c.InsertObservation(obs)
if err != nil {
log.Fatal(err)
}
log.Println("Inserted New Observation")
}
func PatchObservations(c gossamer.Client) {
l, err := c.QueryObservations().Top(1).All()
if err != nil {
log.Fatal(err)
}
var o gossamer.Observation
if len(l) > 0 {
o = l[0].(gossamer.Observation)
n := gossamer.CloneObservationEntity(o)
n.ResultQuality = "Value was changed"
n.ResultTime = gossamer.NewTimeInstant(time.Now())
c.PatchObservation(n)
}
}