com.esri.arcgis.carto
Class BasicOverposter

java.lang.Object
  com.esri.arcgis.carto.BasicOverposter

All Implemented Interfaces:

IOverposter, IOverposter2, IOverposter3, IOverposter4, IConnectionPointContainer, com.esri.arcgis.interop.RemoteObjRef, IPersist, IPersistStream, Externalizable, Serializable

public class BasicOverposter
extends Object
implements com.esri.arcgis.interop.RemoteObjRef, IOverposter, IOverposter2, IOverposter3, IOverposter4, IConnectionPointContainer, IPersist, IPersistStream, Externalizable

An engine that places labels for features using conflict detection.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

See Also:

Serialized Form

Constructor Summary

BasicOverposter()
Constructs a BasicOverposter using ArcGIS Engine.

BasicOverposter(Object obj)
Deprecated. As of ArcGIS 9.2, replaced by normal Java casts.
BasicOverposter theBasicOverposter = (BasicOverposter) obj;

Method Summary

void	addBarriers(int weight, IGeometryCollection barriers) Adds a barrier object that placed objects must avoid.
int	addClass(IOverposterLayerProperties props) Adds a class to the overposter and specifies its properties.
int	addClass(IOverposterLayerProperties props, ITextSymbol symbol) Adds a class to the overposter and specifies its properties.
void	addCurvedLabel(int classIndex, String label, Object widths, Object ascents, Object descents, double fontHeight, double fontDescent, IGeometry controlShape, int featureId, ISymbol symbol) Adds a curved label object to be placed.
void	addIBasicOverposterEventsListener(IBasicOverposterEvents theListener) addIBasicOverposterEventsListener.
void	addLabel(int classIndex, String label, double width, double height, IGeometry controlShape, int featureId, ISymbol symbol) Adds a label object to be placed.
void	addLabel2(int classIndex, String label, double width, double height, IGeometry controlShape, int featureId, ISymbol symbol, double angle) Adds a label object to be placed.
void	addSymbol(int classIndex, ISymbol symbol, IGeometry geometry, int featureId) Adds a symbol to be placed.
void	enumConnectionPoints(IEnumConnectionPoints[] ppEnum) enumConnectionPoints
boolean	equals(Object o) Compare this object with another
void	findConnectionPoint(GUID riid, IConnectionPoint[] ppCP) findConnectionPoint
int	getCapabilities(ILayer layer) Overposter capabilities for the specified layer.
void	getClassID(GUID[] pClassID) getClassID
static String	getClsid() getClsid.
int	getNumberOfPlacedLabels() The number of unplaced labels.
int	getNumberOfUnplacedLabels() The number of unplaced labels.
int	getNumClasses() The number of classes.
void	getSizeMax(_ULARGE_INTEGER[] pcbSize) getSizeMax
int	hashCode() the hashcode for this object
void	initialize(IEnvelope extent, IDisplay display) Initializes the overposter for drawing into the specified area of the map display.
void	initialize(IEnvelope extent, IDisplay display, IOverposterProperties pOverposterProps) Initializes the overposter for drawing into the specified area of the map display.
void	insertClass(int index, IOverposterLayerProperties props) Inserts a class at a specific index, and specifies its peoperties.
void	isDirty() isDirty
void	load(IStream pstm) load
void	nextPlaced(IPlacedObject[] object, ITrackCancel trackCancel, IStepProgressor stepProgressor) The next object that was successfully placed.
void	nextUnplaced(IPlacedObject[] object) The next object that was not successfully placed.
void	nextUnused(IPlacedObject[] object) The next object that was not used.
void	placeObjects() Places objects using the overposter.
void	readExternal(ObjectInput in)
void	releaseResources() Releases current objects from memory.
void	removeClass(int classIndex) Removes the class at the specified index from the overposter.
void	removeIBasicOverposterEventsListener(IBasicOverposterEvents theListener) removeIBasicOverposterEventsListener.
void	resetClasses() Removes all classes from the overposter.
void	save(IStream pstm, int fClearDirty) save
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.esri.arcgis.interop.RemoteObjRef

getJintegraDispatch, release

Constructor Detail

BasicOverposter

public BasicOverposter()
                throws IOException,
                       UnknownHostException

Constructs a BasicOverposter using ArcGIS Engine.

Throws:

IOException - if there are interop problems

UnknownHostException - if there are interop problems

BasicOverposter

public BasicOverposter(Object obj)
                throws IOException

Deprecated. As of ArcGIS 9.2, replaced by normal Java casts.
BasicOverposter theBasicOverposter = (BasicOverposter) obj;

Construct a BasicOverposter using a reference to such an object returned from ArcGIS Engine or Server. This is semantically equivalent to casting obj to BasicOverposter.

Parameters:

obj - an object returned from ArcGIS Engine or Server

Throws:

IOException - if there are interop problems

Method Detail

getClsid

public static String getClsid()

getClsid.

equals

public boolean equals(Object o)

Compare this object with another

Overrides:

equals in class Object

hashCode

public int hashCode()

the hashcode for this object

Overrides:

hashCode in class Object

addIBasicOverposterEventsListener

public void addIBasicOverposterEventsListener(IBasicOverposterEvents theListener)
                                       throws IOException

addIBasicOverposterEventsListener. Listen to events generated by this class.

Parameters:

theListener - An object that implements the com.esri.arcgis.carto.IBasicOverposterEvents interface.

Throws:

IOException - If there are communications problems.

removeIBasicOverposterEventsListener

public void removeIBasicOverposterEventsListener(IBasicOverposterEvents theListener)
                                          throws IOException

removeIBasicOverposterEventsListener. Stop listening to events generated by this class.

Parameters:

theListener - An object that implements the com.esri.arcgis.carto.IBasicOverposterEvents interface.

Throws:

IOException - If there are communications problems.

getNumClasses

public int getNumClasses()
                  throws IOException,
                         AutomationException

The number of classes.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

getNumClasses in interface IOverposter

Specified by:

getNumClasses in interface IOverposter2

Specified by:

getNumClasses in interface IOverposter3

Returns:

The count

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getCapabilities

public int getCapabilities(ILayer layer)
                    throws IOException,
                           AutomationException

Overposter capabilities for the specified layer.

Product Availability

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

Specified by:

getCapabilities in interface IOverposter

Specified by:

getCapabilities in interface IOverposter2

Specified by:

getCapabilities in interface IOverposter3

Parameters:

layer - A reference to a com.esri.arcgis.carto.ILayer (in)

Returns:

A com.esri.arcgis.carto.esriOverposterCaps constant

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

addClass

public int addClass(IOverposterLayerProperties props)
             throws IOException,
                    AutomationException

Adds a class to the overposter and specifies its properties.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

addClass in interface IOverposter

Specified by:

addClass in interface IOverposter2

Specified by:

addClass in interface IOverposter3

Parameters:

props - A reference to a com.esri.arcgis.carto.IOverposterLayerProperties (in)

Returns:

The classIndex

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

insertClass

public void insertClass(int index,
                        IOverposterLayerProperties props)
                 throws IOException,
                        AutomationException

Inserts a class at a specific index, and specifies its peoperties.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

insertClass in interface IOverposter

Specified by:

insertClass in interface IOverposter2

Specified by:

insertClass in interface IOverposter3

Parameters:

index - The index (in)

props - A reference to a com.esri.arcgis.carto.IOverposterLayerProperties (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

removeClass

public void removeClass(int classIndex)
                 throws IOException,
                        AutomationException

Removes the class at the specified index from the overposter.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

removeClass in interface IOverposter

Specified by:

removeClass in interface IOverposter2

Specified by:

removeClass in interface IOverposter3

Parameters:

classIndex - The classIndex (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

resetClasses

public void resetClasses()
                  throws IOException,
                         AutomationException

Removes all classes from the overposter.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

resetClasses in interface IOverposter

Specified by:

resetClasses in interface IOverposter2

Specified by:

resetClasses in interface IOverposter3

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

initialize

public void initialize(IEnvelope extent,
                       IDisplay display)
                throws IOException,
                       AutomationException

Initializes the overposter for drawing into the specified area of the map display.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

initialize in interface IOverposter

Specified by:

initialize in interface IOverposter2

Parameters:

extent - A reference to a com.esri.arcgis.geometry.IEnvelope (in)

display - A reference to a com.esri.arcgis.display.IDisplay (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

addBarriers

public void addBarriers(int weight,
                        IGeometryCollection barriers)
                 throws IOException,
                        AutomationException

Adds a barrier object that placed objects must avoid.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

addBarriers in interface IOverposter

Specified by:

addBarriers in interface IOverposter2

Specified by:

addBarriers in interface IOverposter3

Parameters:

weight - A com.esri.arcgis.carto.esriBasicOverposterWeight constant (in)

barriers - A reference to a com.esri.arcgis.geometry.IGeometryCollection (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

addLabel

public void addLabel(int classIndex,
                     String label,
                     double width,
                     double height,
                     IGeometry controlShape,
                     int featureId,
                     ISymbol symbol)
              throws IOException,
                     AutomationException

Adds a label object to be placed.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

addLabel in interface IOverposter

Specified by:

addLabel in interface IOverposter2

Specified by:

addLabel in interface IOverposter3

Parameters:

classIndex - The classIndex (in)

label - The label (in)

width - The width (in)

height - The height (in)

controlShape - A reference to a com.esri.arcgis.geometry.IGeometry (in)

featureId - The featureId (in)

symbol - A reference to a com.esri.arcgis.display.ISymbol (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

addCurvedLabel

public void addCurvedLabel(int classIndex,
                           String label,
                           Object widths,
                           Object ascents,
                           Object descents,
                           double fontHeight,
                           double fontDescent,
                           IGeometry controlShape,
                           int featureId,
                           ISymbol symbol)
                    throws IOException,
                           AutomationException

Adds a curved label object to be placed.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

addCurvedLabel in interface IOverposter

Specified by:

addCurvedLabel in interface IOverposter2

Specified by:

addCurvedLabel in interface IOverposter3

Parameters:

classIndex - The classIndex (in)

label - The label (in)

widths - A Variant (in)

ascents - A Variant (in)

descents - A Variant (in)

fontHeight - The fontHeight (in)

fontDescent - The fontDescent (in)

controlShape - A reference to a com.esri.arcgis.geometry.IGeometry (in)

featureId - The featureId (in)

symbol - A reference to a com.esri.arcgis.display.ISymbol (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

addSymbol

public void addSymbol(int classIndex,
                      ISymbol symbol,
                      IGeometry geometry,
                      int featureId)
               throws IOException,
                      AutomationException

Adds a symbol to be placed.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

addSymbol in interface IOverposter

Specified by:

addSymbol in interface IOverposter2

Specified by:

addSymbol in interface IOverposter3

Parameters:

classIndex - The classIndex (in)

symbol - A reference to a com.esri.arcgis.display.ISymbol (in)

geometry - A reference to a com.esri.arcgis.geometry.IGeometry (in)

featureId - The featureId (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

placeObjects

public void placeObjects()
                  throws IOException,
                         AutomationException

Places objects using the overposter.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

placeObjects in interface IOverposter

Specified by:

placeObjects in interface IOverposter2

Specified by:

placeObjects in interface IOverposter3

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

nextPlaced

public void nextPlaced(IPlacedObject[] object,
                       ITrackCancel trackCancel,
                       IStepProgressor stepProgressor)
                throws IOException,
                       AutomationException

The next object that was successfully placed.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

nextPlaced in interface IOverposter

Specified by:

nextPlaced in interface IOverposter2

Specified by:

nextPlaced in interface IOverposter3

Parameters:

object - A reference to a com.esri.arcgis.carto.IPlacedObject (in/out: use single element array)

trackCancel - A reference to a com.esri.arcgis.system.ITrackCancel (in)

stepProgressor - A reference to a com.esri.arcgis.system.IStepProgressor (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

nextUnplaced

public void nextUnplaced(IPlacedObject[] object)
                  throws IOException,
                         AutomationException

The next object that was not successfully placed.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

nextUnplaced in interface IOverposter

Specified by:

nextUnplaced in interface IOverposter2

Specified by:

nextUnplaced in interface IOverposter3

Parameters:

object - A reference to a com.esri.arcgis.carto.IPlacedObject (out: use single element array)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

nextUnused

public void nextUnused(IPlacedObject[] object)
                throws IOException,
                       AutomationException

The next object that was not used.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

nextUnused in interface IOverposter

Specified by:

nextUnused in interface IOverposter2

Specified by:

nextUnused in interface IOverposter3

Parameters:

object - A reference to a com.esri.arcgis.carto.IPlacedObject (out: use single element array)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

releaseResources

public void releaseResources()
                      throws IOException,
                             AutomationException

Releases current objects from memory.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

releaseResources in interface IOverposter

Specified by:

releaseResources in interface IOverposter2

Specified by:

releaseResources in interface IOverposter3

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getNumberOfUnplacedLabels

public int getNumberOfUnplacedLabels()
                              throws IOException,
                                     AutomationException

The number of unplaced labels. Only valid after calling PlaceObjects.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

getNumberOfUnplacedLabels in interface IOverposter

Specified by:

getNumberOfUnplacedLabels in interface IOverposter2

Specified by:

getNumberOfUnplacedLabels in interface IOverposter3

Returns:

The count

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getNumberOfPlacedLabels

public int getNumberOfPlacedLabels()
                            throws IOException,
                                   AutomationException

The number of unplaced labels. Only valid after calling PlaceObjects.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

getNumberOfPlacedLabels in interface IOverposter

Specified by:

getNumberOfPlacedLabels in interface IOverposter2

Specified by:

getNumberOfPlacedLabels in interface IOverposter3

Returns:

The count

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

addLabel2

public void addLabel2(int classIndex,
                      String label,
                      double width,
                      double height,
                      IGeometry controlShape,
                      int featureId,
                      ISymbol symbol,
                      double angle)
               throws IOException,
                      AutomationException

Adds a label object to be placed.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

addLabel2 in interface IOverposter2

Specified by:

addLabel2 in interface IOverposter3

Parameters:

classIndex - The classIndex (in)

label - The label (in)

width - The width (in)

height - The height (in)

controlShape - A reference to a com.esri.arcgis.geometry.IGeometry (in)

featureId - The featureId (in)

symbol - A reference to a com.esri.arcgis.display.ISymbol (in)

angle - The angle (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

initialize

public void initialize(IEnvelope extent,
                       IDisplay display,
                       IOverposterProperties pOverposterProps)
                throws IOException,
                       AutomationException

Initializes the overposter for drawing into the specified area of the map display.

Product Availability

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

Specified by:

initialize in interface IOverposter3

Parameters:

extent - A reference to a com.esri.arcgis.geometry.IEnvelope (in)

display - A reference to a com.esri.arcgis.display.IDisplay (in)

pOverposterProps - A reference to a com.esri.arcgis.carto.IOverposterProperties (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

addClass

public int addClass(IOverposterLayerProperties props,
                    ITextSymbol symbol)
             throws IOException,
                    AutomationException

Adds a class to the overposter and specifies its properties.

Product Availability

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

Specified by:

addClass in interface IOverposter4

Parameters:

props - A reference to a com.esri.arcgis.carto.IOverposterLayerProperties (in)

symbol - A reference to a com.esri.arcgis.display.ITextSymbol (in)

Returns:

The classIndex

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

enumConnectionPoints

public void enumConnectionPoints(IEnumConnectionPoints[] ppEnum)
                          throws IOException,
                                 AutomationException

enumConnectionPoints

Description

IConnectionPointContainer is a Microsoft interface. Please refer to MSDN for information about this interface.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

enumConnectionPoints in interface IConnectionPointContainer

Parameters:

ppEnum - A reference to a com.esri.arcgis.display.IEnumConnectionPoints (out: use single element array)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

findConnectionPoint

public void findConnectionPoint(GUID riid,
                                IConnectionPoint[] ppCP)
                         throws IOException,
                                AutomationException

findConnectionPoint

Description

IConnectionPointContainer is a Microsoft interface. Please refer to MSDN for information about this interface.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

findConnectionPoint in interface IConnectionPointContainer

Parameters:

riid - A Structure: com.esri.arcgis.support.ms.stdole.GUID (in)

ppCP - A reference to a com.esri.arcgis.display.IConnectionPoint (out: use single element array)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getClassID

public void getClassID(GUID[] pClassID)
                throws IOException,
                       AutomationException

getClassID

Description

IPersist is a Microsoft interface. Please refer to MSDN for information about this interface.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

getClassID in interface IPersist

Parameters:

pClassID - A Structure: com.esri.arcgis.support.ms.stdole.GUID (out: use single element array)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

isDirty

public void isDirty()
             throws IOException,
                    AutomationException

isDirty

Description

IPersistStream is a Microsoft interface. Please refer to MSDN for information about this interface.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

isDirty in interface IPersistStream

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

load

public void load(IStream pstm)
          throws IOException,
                 AutomationException

load

Description

IPersistStream is a Microsoft interface. Please refer to MSDN for information about this interface.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

load in interface IPersistStream

Parameters:

pstm - A reference to a com.esri.arcgis.system.IStream (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

save

public void save(IStream pstm,
                 int fClearDirty)
          throws IOException,
                 AutomationException

save

Description

IPersistStream is a Microsoft interface. Please refer to MSDN for information about this interface.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

save in interface IPersistStream

Parameters:

pstm - A reference to a com.esri.arcgis.system.IStream (in)

fClearDirty - The fClearDirty (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getSizeMax

public void getSizeMax(_ULARGE_INTEGER[] pcbSize)
                throws IOException,
                       AutomationException

getSizeMax

Description

IPersistStream is a Microsoft interface. Please refer to MSDN for information about this interface.

Product Availability

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

Supported Platforms

Windows, Solaris, Linux

Specified by:

getSizeMax in interface IPersistStream

Parameters:

pcbSize - A Structure: com.esri.arcgis.system._ULARGE_INTEGER (out: use single element array)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException