internal override string RegisterInHostThing()
{
string error = null;
string propertyName = DisplayName;
TheThing targetThing = null;
if (this.IsSubscribedAsThing)
{
// Dedicated event thing
targetThing = MyBaseThing;
}
if (this.IsSubscribedAsProperty)
{
// This is an external, multi-event thing: use the browsepath to avoid collisions with properties from multiple events
targetThing = this.GetHostThing().GetBaseThing();
}
if (targetThing != null)
{
var prop = targetThing.GetProperty(propertyName, true);
var sensorMeta = prop.GetSensorMeta();
prop = targetThing.DeclareSensorProperty(propertyName, ePropertyTypes.NOCHANGE, sensorMeta);
if (prop != null)
{
var opcSubscriptionInfo = new TheOPCSensorSubscription
{
SampleRate = this.SampleRate,
SensorId = this.NodeIdName,
ChangeTrigger = this.ChangeTrigger,
DeadbandValue = this.DeadbandFilterValue,
EventInfo = this.EventInfo,
};
var providerInfo = new cdeP.TheProviderInfo(this.MyOPCServer.GetBaseThing(), opcSubscriptionInfo);
prop.SetSensorProviderInfo(providerInfo);
}
else
{
error = "ERROR: Property not found";
}
}
else
{
error = "ERROR: Thing not found";
}
return(error);
}
internal static List <TheOPCSensorSubscription> GetHostThingOPCProperties(TheThing tHostThing, TheThing tProviderThing)
{
string prefix = "OPCUA";
var legacyProps = tHostThing.GetPropertiesMetaStartingWith(prefix, true);
if (legacyProps.Any())
{
foreach (var prop in legacyProps)
{
if (ParseOpcUaMetaString(prop.cdeM, out var propKind, out var nodeIdName, out var serverId, out var changeTrigger, out var deadBandValue, out var structTypeInfo, out var historyStartTime, out var eventFilter))
{
if (serverId == tProviderThing.ID)
{
// TODO log migration start
var opcSubscriptionInfo = new TheOPCSensorSubscription
{
SampleRate = (int)prop.cdeEXP,
SensorId = nodeIdName,
ChangeTrigger = changeTrigger,
DeadbandValue = deadBandValue,
EventInfo = eventFilter,
StructTypeInfo = structTypeInfo,
//HistoryStartTime = historyStartTime, // TODO
};
var providerInfo = new cdeP.TheProviderInfo(tProviderThing, opcSubscriptionInfo);
prop.SetSensorProviderInfo(providerInfo);
prop.cdeM = null;
// TODO Log migration finish
}
else
{
// tag from a different opc client
}
}
else
{
// Log migration error
}
}
