com.esri.arcgis.geodatabase
Class ITopologyClassEventsAdapter

java.lang.Object
  com.esri.arcgis.geodatabase.ITopologyClassEventsAdapter

All Implemented Interfaces:

ITopologyClassEvents, Serializable, EventListener

public class ITopologyClassEventsAdapter
extends Object
implements ITopologyClassEvents

See Also:

Serialized Form

Constructor Summary

ITopologyClassEventsAdapter()

Method Summary

void	onValidate(ITopologyClassEventsOnValidateEvent theEvent) This event is fired when the topology containing the class is validated.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ITopologyClassEventsAdapter

public ITopologyClassEventsAdapter()

Method Detail

onValidate

public void onValidate(ITopologyClassEventsOnValidateEvent theEvent)
                throws IOException,
                       AutomationException

This event is fired when the topology containing the class is validated.

Remarks

The OnValidate event is fired each time a dirty area is validated in the topology in which the class is participating. Handlers are provided with an IGeometry object corresponding to the dirty areas that were validated. The IGeometry object may represent a single or multi-part polygon or a collection of polygons.

In some cases, using the OnValidate method on feature classes in a Topology may result in a situation where the Topology will always have a Dirty Area such as if the purpose of listening to the OnValidate event is to act on another feature class in the Topology and perform some action on the features in that class.

For example, an extension that listens to the OnValidate event in order to derive features for a feature class by aggregarting the features in the class that is validated. If the dervied features are in a feature class that is in the Topology, the result of the OnValidate event will be a Topology that will always contain a dirty area. The derived feature class should not be in the topology in order for this example to be applicable.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

Specified by:

onValidate in interface ITopologyClassEvents

Parameters:

theEvent - The event

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.