C# Class GSF.TimeSeries.MeasurementKey

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Méthodes publiques

Свойство	Type	Description
Undefined	MeasurementKey

Méthodes publiques

Méthode	Description
CreateOrUpdate ( System.Guid signalID, string value ) : MeasurementKey	Constructs a new MeasurementKey given the specified parameters.
CreateOrUpdate ( System.Guid signalID, string source, uint id ) : MeasurementKey	Constructs a new MeasurementKey given the specified parameters.
EstablishDefaultCache ( IDbConnection connection, Type adapterType, string measurementTable = "ActiveMeasurement" ) : void	Establish default MeasurementKey cache. Source tables are expected to have at least the following fields: `ID NVARCHAR Measurement key formatted as: ArchiveSource:PointID SignalID GUID Unique identification for measurement`
GetHashCode ( ) : int	Serves as a hash function for the current MeasurementKey.
LookUpBySignalID ( System.Guid signalID ) : MeasurementKey	Looks up the measurement key associated with the given signal ID. If no measurement key is found with the given signal ID, this method returns Undefined.
LookUpBySource ( string source, uint id ) : MeasurementKey	Looks up the measurement key associated with the given source and ID. If no measurement key is found with the given source and ID, this method returns Undefined.
LookUpOrCreate ( System.Guid signalID, string value ) : MeasurementKey	Performs a lookup by signal ID and, failing that, attempts to create the key using the given signal ID and the parsed source, and ID.
LookUpOrCreate ( System.Guid signalID, string source, uint id ) : MeasurementKey	Performs a lookup by signal ID and, failing that, attempts to create the key using the given signal ID, source, and ID.
LookUpOrCreate ( string value ) : MeasurementKey	Performs a lookup by source and, failing that, attempts to create the key using a newly generated signal ID and the parsed source and ID.
LookUpOrCreate ( string source, uint id ) : MeasurementKey	Performs a lookup by source and, failing that, attempts to create the key using a newly generated signal ID and the given source and ID.
Parse ( string value ) : MeasurementKey	Converts the string representation of a MeasurementKey into its value equivalent.
SetMeasurementMetadata ( string tagName, double adder, double multiplier, MeasurementValueFilterFunction valueFilter ) : void	Updates the values of the Metadata.
ToString ( ) : string	Returns a string that represents the current MeasurementKey.
TryCreateOrUpdate ( System.Guid signalID, string value, MeasurementKey &key ) : bool	Constructs a new MeasurementKey given the specified parameters.
TryCreateOrUpdate ( System.Guid signalID, string source, uint id, MeasurementKey &key ) : bool	Constructs a new MeasurementKey given the specified parameters.
TryParse ( string value, MeasurementKey &key ) : bool	Attempts to convert the string representation of a MeasurementKey into its value equivalent.

Private Methods

Méthode	Description
CreateUndefinedMeasurementKey ( ) : MeasurementKey	Creates the undefined measurement key. Used to initialize Undefined.
MeasurementKey ( ) : System
MeasurementKey ( System.Guid signalID, uint id, string source ) : System
TrySplit ( string value, string &source, uint &id ) : bool	Attempts to split the given string representation of a measurement key into a source and ID pair.

Method Details

CreateOrUpdate() public static méthode

Constructs a new MeasurementKey given the specified parameters.

cannot be empty The value is not in the correct format for a value.

public static CreateOrUpdate ( System.Guid signalID, string value ) : MeasurementKey
signalID	System.Guid	ID of associated signal, if defined.
value	string	A string representation of the .
Résultat	MeasurementKey

CreateOrUpdate() public static méthode

Constructs a new MeasurementKey given the specified parameters.

cannot be empty. cannot be null.

public static CreateOrUpdate ( System.Guid signalID, string source, uint id ) : MeasurementKey
signalID	System.Guid	ID of associated signal, if defined.
source	string	Source of the measurement that this represents (e.g., name of archive).
id	uint	Numeric ID of the measurement that this represents.
Résultat	MeasurementKey

EstablishDefaultCache() public static méthode

Establish default MeasurementKey cache.

Source tables are expected to have at least the following fields:

 ID          NVARCHAR    Measurement key formatted as: ArchiveSource:PointID SignalID    GUID        Unique identification for measurement

public static EstablishDefaultCache ( IDbConnection connection, Type adapterType, string measurementTable = "ActiveMeasurement" ) : void
connection	IDbConnection	The database connection.
adapterType	System.Type	The database adapter type.
measurementTable	string	Measurement table name used to load measurement key cache.
Résultat	void

GetHashCode() public méthode

Serves as a hash function for the current MeasurementKey.

public GetHashCode ( ) : int
Résultat	int

LookUpBySignalID() public static méthode

Looks up the measurement key associated with the given signal ID.

If no measurement key is found with the given signal ID, this method returns Undefined.

public static LookUpBySignalID ( System.Guid signalID ) : MeasurementKey
signalID	System.Guid	The signal ID of the measurement key.
Résultat	MeasurementKey

LookUpBySource() public static méthode

Looks up the measurement key associated with the given source and ID.

If no measurement key is found with the given source and ID, this method returns Undefined.

public static LookUpBySource ( string source, uint id ) : MeasurementKey
source	string	The source of the signal.
id	uint	The source-specific unique integer identifier.
Résultat	MeasurementKey

LookUpOrCreate() public static méthode

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

public static LookUpOrCreate ( System.Guid signalID, string value ) : MeasurementKey
signalID	System.Guid	The signal ID of the key to be looked up.
value	string	A string representation of the .
Résultat	MeasurementKey

LookUpOrCreate() public static méthode

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

public static LookUpOrCreate ( System.Guid signalID, string source, uint id ) : MeasurementKey
signalID	System.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	uint	The ID to use for the key if the lookup fails.
Résultat	MeasurementKey

LookUpOrCreate() public static méthode

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

public static LookUpOrCreate ( string value ) : MeasurementKey
value	string	A string representation of the .
Résultat	MeasurementKey

LookUpOrCreate() public static méthode

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

public static LookUpOrCreate ( string source, uint id ) : MeasurementKey
source	string	The source to use for the key if the lookup fails.
id	uint	The ID to use for the key if the lookup fails.
Résultat	MeasurementKey

Parse() public static méthode

Converts the string representation of a MeasurementKey into its value equivalent.

The value is not in the correct format for a value.

public static Parse ( string value ) : MeasurementKey
value	string	A string representing the to convert.
Résultat	MeasurementKey

SetMeasurementMetadata() public méthode

Updates the values of the Metadata.

public SetMeasurementMetadata ( string tagName, double adder, double multiplier, MeasurementValueFilterFunction valueFilter ) : void
tagName	string	Gets or sets the text based tag name.
adder	double	Defines an offset to add to the value.
multiplier	double	Defines a multiplicative offset to apply to the value.
valueFilter	MeasurementValueFilterFunction	Defines the to use when downsampling this type of value.
Résultat	void

ToString() public méthode

Returns a string that represents the current MeasurementKey.

public ToString ( ) : string
Résultat	string

TryCreateOrUpdate() public static méthode

Constructs a new MeasurementKey given the specified parameters.

cannot be empty. Measurement key Source cannot be null.

public static TryCreateOrUpdate ( System.Guid signalID, string value, MeasurementKey &key ) : bool
signalID	System.Guid	ID of associated signal, if defined.
value	string	A string representation of the .
key	MeasurementKey	The measurement key that was created or updated or .
Résultat	bool

TryCreateOrUpdate() public static méthode

Constructs a new MeasurementKey given the specified parameters.

cannot be empty. cannot be null.

public static TryCreateOrUpdate ( System.Guid signalID, string source, uint id, MeasurementKey &key ) : bool
signalID	System.Guid	ID of associated signal, if defined.
source	string	Source of the measurement that this represents (e.g., name of archive).
id	uint	Numeric ID of the measurement that this represents.
key	MeasurementKey	The measurement key that was created or updated or .
Résultat	bool

TryParse() public static méthode

Attempts to convert the string representation of a MeasurementKey into its value equivalent.

public static TryParse ( string value, MeasurementKey &key ) : bool
value	string	A string representing the to convert.
key	MeasurementKey	Output in which to stored parsed value.
Résultat	bool

Property Details

Undefined public_oe static_oe property

Represents an undefined measurement key.

public static MeasurementKey,GSF.TimeSeries Undefined
Résultat	MeasurementKey