OpenTable Method (RealtimeDatastore)

In This Topic

Gets a RealtimeTable or RealtimeFeatureClass instance associated with . This method must be called on the MCT. Use QueuedTask.Run.

Syntax

Visual Basic (Declaration)
C#

Public Function OpenTable( _
   ByVal name As String _
) As Table

public Table OpenTable( 
   string name
)

Parameters

name: The name of the dataset to open.

Return Value

A RealtimeTable or RealtimeFeatureClass instance.

Exceptions

Exception	Description
System.InvalidOperationException	No valid real-time datastore has been opened prior to calling this operation.
System.ArgumentException	A realtime datastore related exception has occurred. For example, the name is invalid.
ArcGIS.Core.CalledOnWrongThreadException	This method or property must be called within the lambda passed to QueuedTask.Run.
System.NotSupportedException	The data store does not support this operation.

Example

Connect to a real-time feature class from a real-time datastore

{
  var url = "https://geoeventsample1.esri.com:6443/arcgis/rest/services/AirportTraffics/StreamServer";

  // Note: call within QueuedTask.Run()
  {
    var realtimeServiceConProp = new RealtimeServiceConnectionProperties(
                                   new Uri(url),
                                   RealtimeDatastoreType.StreamService
                                );
    using var realtimeDatastore = new RealtimeDatastore(realtimeServiceConProp);
    //A Realtime data store only contains **one** Realtime feature class (or table)
    var name = realtimeDatastore.GetTableNames().First();
    using (RealtimeFeatureClass realtimeFeatureClass = realtimeDatastore.OpenTable(name) as RealtimeFeatureClass)
    {
      //feature class, by default, is not streaming (opposite of the stream layer)
      realtimeFeatureClass.StartStreaming();
      //TODO use the feature class
      //...
    }
  }
}

Requirements

Target Platforms: Windows 11 Home, Pro, Enterprise (64 bit)

ArcGIS Pro version: 3.0 or higher.

Reference

RealtimeDatastore Class
RealtimeDatastore Members

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