ArcGIS Developer Help

INAClassLoader Interface

Provides access to populate network analysis classes in preparation for analysis. Note: the INAClassLoader interface has been superseded by INAClassLoader2. Please consider using the more recent version.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server. Requires Network Analyst Extension.

Members

	Name	Description
	FieldMap	The field mapping definition.
	Load	Populate the network analysis class.
	Locator	The locator to be used.
	NAClass	The network analysis class.

Classes that implement INAClassLoader

Classes	Description
NAClassLoader	Loads a network class based on its field maps.

Remarks

INAClassLoader has been superseded by INAClassLoader2.

[C#]

// Load Stops
INAClassFieldMap naClassFieldMap = new NAClassFieldMapClass();
naClassFieldMap.CreateMapping(stopsNAClass.ClassDefinition, inputStopsFClass.Fields);
if (workspace.Type == esriFileSystemWorkspace)
    naClassFieldMap.set_MappedField("Name", SHAPE_INPUT_NAME_FIELD);
else
    naClassFieldMap.set_MappedField("Name", INPUT_NAME_FIELD);

INAClassLoader naLoader = new NAClassLoaderClass();
naLoader.Locator = naContext.Locator;
naLoader.NAClass = stopsNAClass;
naLoader.FieldMap = naClassFieldMap;
  
int rowsIn = 0;
int rowsLocated = 0;
naLoader.Load((ICursor)inputStopsFClass.Search(null, true), new CancelTrackerClass(), ref rowsIn, ref rowsLocated);

[Visual Basic .NET]

' Load Stops
Dim naClassFieldMap As INAClassFieldMap = New NAClassFieldMap() 
naClassFieldMap.CreateMapping(stopsNAClass.ClassDefinition, inputStopsFClass.Fields)
If workspace.Type = esriFileSystemWorkspace Then
    naClassFieldMap.MappedField("Name") = SHAPE_INPUT_NAME_FIELD
Else
    naClassFieldMap.MappedField("Name") = INPUT_NAME_FIELD
End If
 
Dim naLoader As INAClassLoader = New NAClassLoader() 
naLoader.Locator = naContext.Locator
naLoader.NAClass = stopsNAClass
naLoader.FieldMap = naClassFieldMap
 
Dim rowsIn As Integer =  0 
Dim rowsLocated As Integer =  0 
naLoader.Load(inputStopsFClass.Search(Nothing, True), New CancelTracker(),  rowsIn,  rowsLocated)

.NET Samples

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