MeasurementKeyLookUpOrCreate(Guid, String, UInt64) Method

Performs a lookup by signal ID and, failing that, attempts to create the key using the given signal ID, source, and ID.

Namespace: GSF.TimeSeries
Assembly: GSF.TimeSeries (in GSF.TimeSeries.dll) Version: 2.4.205-beta

Syntax

C++

JavaScript

Copy

public static MeasurementKey LookUpOrCreate(
	Guid signalID,
	string source,
	ulong id
)

Public Shared Function LookUpOrCreate ( 
	signalID As Guid,
	source As String,
	id As ULong
) As MeasurementKey

public:
static MeasurementKey^ LookUpOrCreate(
	Guid signalID, 
	String^ source, 
	unsigned long long id
)

static member LookUpOrCreate : 
        signalID : Guid * 
        source : string * 
        id : uint64 -> MeasurementKey

GSF.TimeSeries.MeasurementKey.LookUpOrCreate = function(signalID, source, id);

View Source

Parameters

signalID Guid: The signal ID of the key to be looked up.
source String: The source to use for the key if the lookup fails.
id UInt64: The ID to use for the key if the lookup fails.

Return Value

MeasurementKey
If the lookup succeeds, an existing measurement key with a matching signalID. If creation succeeds, a new measurement key with matching signal ID, source, and ID. Otherwise, Undefined.

Reference

MeasurementKey Class

LookUpOrCreate Overload

GSF.TimeSeries Namespace