C# Class openHistorian.Adapters.HistorianQueryHubClient

Represents a client instance of a SignalR Hub for historian data queries.

Inheritance: GSF.Web.Hubs.HubClientBase

Public Methods

Method	Description
GetHistorianData ( string instanceName, System.DateTime startTime, System.DateTime stopTime, ulong measurementIDs, Resolution resolution, int seriesLimit, bool forceLimit ) : IEnumerable	Read historian data from server.
GetInstanceNames ( ) : IEnumerable	Gets loaded historian adapter instance names.
GetSelectedInstanceName ( ) : string	Gets selected instance name.
HistorianQueryHubClient ( ) : System	Creates a new HistorianQueryHubClient.
SetSelectedInstanceName ( string instanceName ) : void	Set selected instance name.

Method	Description
Dispose ( bool disposing ) : void	Releases the unmanaged resources used by the HistorianQueryHubClient object and optionally releases the managed resources.

Method	Description
GetConnection ( string instanceName ) : SnapClient
GetDatabase ( string instanceName ) : HistorianValue>.ClientDatabaseBase

Releases the unmanaged resources used by the HistorianQueryHubClient object and optionally releases the managed resources.

protected Dispose ( bool disposing ) : void
disposing	bool	true to release both managed and unmanaged resources; false to release only unmanaged resources.
return	void

Read historian data from server.

public GetHistorianData ( string instanceName, System.DateTime startTime, System.DateTime stopTime, ulong measurementIDs, Resolution resolution, int seriesLimit, bool forceLimit ) : IEnumerable
instanceName	string	Historian instance name.
startTime	System.DateTime	Start time of query.
stopTime	System.DateTime	Stop time of query.
measurementIDs	ulong	Measurement IDs to query - or null for all available points.
resolution	Resolution	Resolution for data query.
seriesLimit	int	Maximum number of points per series.
forceLimit	bool	Flag that determines if series limit should be strictly enforced.
return	IEnumerable

Gets loaded historian adapter instance names.

public GetInstanceNames ( ) : IEnumerable
return	IEnumerable

Gets selected instance name.

public GetSelectedInstanceName ( ) : string
return	string

Creates a new HistorianQueryHubClient.

public HistorianQueryHubClient ( ) : System
return	System

Set selected instance name.

public SetSelectedInstanceName ( string instanceName ) : void
instanceName	string	Instance name that is selected by user.
return	void