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# Topology.h

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    00001 #ifndef _FDOTOPOLOGY_H_
    00002 #define _FDOTOPOLOGY_H_
    00003
    00004 //
    00005 // Copyright (C) 2004-2006  Autodesk, Inc.
    00006 //
    00007 // This library is free software; you can redistribute it and/or
    00008 // modify it under the terms of version 2.1 of the GNU Lesser
    00009 // General Public License as published by the Free Software Foundation.
    00010 //
    00011 // This library is distributed in the hope that it will be useful,
    00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00014 // Lesser General Public License for more details.
    00015 //
    00016 // You should have received a copy of the GNU Lesser General Public
    00017 // License along with this library; if not, write to the Free Software
    00018 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    00019 //
    00020
    00021 #ifdef _WIN32
    00022 #pragma once
    00023 #endif
    00024
    00025 #include <FdoStd.h>
    00026 #include <Fdo/Schema/ClassDefinition.h>
    00027
    00028 /// \brief
    00029 /// This class is used to represent a topology.
    00030 /// \note
    00031 /// This Help topic is provided for informational use only. There is
    00032 /// no interface or support provided. Autodesk reserves the right to change
    00033 /// the software related to the content herein.
    00034 class FdoTopology : public FdoClassDefinition
    00035 {
    00036     public:
    00037     /// Constructor
    00038     FdoTopology(
    00039     /// The topology name.
    00040         FdoString * name,
    00041     /// The topology description.
    00042         FdoString * description,
    00043     /// The name of the spatial context from which to aquire spatial
    00044     /// parameters for the topology.
    00045         FdoString * spatialContext
    00046     );
    00047
    00048     /// Get the name of the node primitive feature class for this topology.
    00049     FdoString * GetNodeClassName();
    00050
    00051     /// Get the name of the edge primitive feature class for this topology.
    00052     FdoString * GetEdgeClassName();
    00053
    00054     /// Get the name of the face primitive feature class for this topology.
    00055     FdoString * GetFaceClassName();
    00056
    00057     /// Get the name of the spatial context for this topology.
    00058     FdoString * GetSpatialContextName();
    00059
    00060     /// Set the name of the spatial context for this topology. The spatial
    00061     /// context must already exist.
    00062     void SetSpatialContextName(
    00063         FdoString * spatialContextName
    00064     );
    00065
    00066     private:
    00067     /// The system-generated name of the feature class for node primitives in
    00068     /// this topology.
    00069     FdoString * nodeClassName;
    00070
    00071     /// The system-generated name of the feature class for edge primitives in
    00072     /// this topology.
    00073     FdoString * edgeClassName;
    00074
    00075     /// The system-generated name of the feature class for face primitives in
    00076     /// this topology.
    00077     FdoString * faceClassName;
    00078
    00079     /// The name of the spatial context in which the topology’s spatial data is
    00080     /// defined.  The spatial context is used to acquire extents, coordinate
    00081     /// system and internal tolerances.  It is also used as the common reference
    00082     /// for spatial queries that span more than one topological feature class.
    00083     FdoString * spatialContextName;
    00084
    00085     /// Public non-API functions for XML support
    00086
    00087     /// Initialize the class from its XML attributes
    00088     virtual void InitFromXml(FdoString* classTypeName, FdoSchemaXmlContext* pContext, FdoXmlAttributeCollection* attrs);
    00089     virtual void InitFromXml(FdoSchemaXmlContext* pContext, FdoXmlAttributeCollection* attrs);
    00090
    00091     /// Handle sub-elements such as properties
    00092     /// Element start
    00093     virtual FdoXmlSaxHandler* XmlStartElement(
    00094         FdoXmlSaxContext* context,
    00095         FdoString* uri,
    00096         FdoString* name,
    00097         FdoString* qname,
    00098         FdoXmlAttributeCollection* atts
    00099     );
    00100     /// Element end
    00101     virtual FdoBoolean XmlEndElement(
    00102         FdoXmlSaxContext* context,
    00103         FdoString* uri,
    00104         FdoString* name,
    00105         FdoString* qname
    00106     );
    00107
    00108     /// Serialize this class to XML.
    00109     virtual void _writeXml( FdoSchemaXmlContext* pContext );
    00110
    00111 protected:
    00112     /// \brief
    00113     /// Dispose this object.
    00114     ///
    00115     /// \return
    00116     /// Returns nothing
    00117     ///
    00118     virtual void Dispose ();
    00119
    00120 /// \cond DOXYGEN-IGNORE
    00121
    00122     /// Hide default constructor to ensure that it cannot be used.
    00123     FdoTopology() {};
    00124     virtual ~FdoTopology();
    00125
    00126     /// FdoFeatureSchema::RejectChanges() support
    00127     virtual void    _StartChanges();
    00128     virtual void    _BeginChangeProcessing();
    00129     virtual void    _AcceptChanges();
    00130     virtual void    _RejectChanges();
    00131     virtual void    _EndChangeProcessing();
    00132  /// \endcond
    00133 };
    00134
    00135
    00136
    00137 #endif /* _FDOTOPOLOGY_H_ */
    00138
    00139

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