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# IFilterCapabilities.h

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    00001 #ifndef _IFILTERCAPABILITIES_H_
    00002 #define _IFILTERCAPABILITIES_H_
    00003 //
    00004
    00005 //
    00006 // Copyright (C) 2004-2006  Autodesk, Inc.
    00007 //
    00008 // This library is free software; you can redistribute it and/or
    00009 // modify it under the terms of version 2.1 of the GNU Lesser
    00010 // General Public License as published by the Free Software Foundation.
    00011 //
    00012 // This library is distributed in the hope that it will be useful,
    00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00015 // Lesser General Public License for more details.
    00016 //
    00017 // You should have received a copy of the GNU Lesser General Public
    00018 // License along with this library; if not, write to the Free Software
    00019 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    00020 //
    00021
    00022 #ifdef _WIN32
    00023 #pragma once
    00024 #endif
    00025
    00026 #include <FdoStd.h>
    00027 #include <Fdo/Filter/ConditionType.h>
    00028 #include <Fdo/Filter/DistanceOperations.h>
    00029 #include <Fdo/Filter/SpatialOperations.h>
    00030
    00031 /// \brief
    00032 /// The FdoIFilterCapabilities interface declares the feature provider's level of support for FdoFilter classes.
    00033 class FdoIFilterCapabilities : public FdoIDisposable
    00034 {
    00035 public:
    00036     /// \brief
    00037     /// Returns an array of FdoConditionType objects the feature provider supports.
    00038     ///
    00039     /// \param length
    00040     /// Output the number of condition types
    00041     ///
    00042     /// \return
    00043     /// Returns the list of condition types
    00044     ///
    00045     FDO_API virtual FdoConditionType* GetConditionTypes(FdoInt32& length) = 0;
    00046
    00047     /// \brief
    00048     /// Returns an array of FdoSpatialOperation objects the feature provider supports.
    00049     ///
    00050     /// \param length
    00051     /// Output the number of spatial operations
    00052     ///
    00053     /// \return
    00054     /// Returns the list of spartial operations
    00055     ///
    00056     FDO_API virtual FdoSpatialOperations* GetSpatialOperations(FdoInt32& length) = 0;
    00057
    00058     /// \brief
    00059     /// Returns an array of FdoDistanceOperation objects the feature provider supports.
    00060     ///
    00061     /// \param length
    00062     /// Output the number of distance operations
    00063     ///
    00064     /// \return
    00065     /// Returns the list of distance operations
    00066     ///
    00067     FDO_API virtual FdoDistanceOperations* GetDistanceOperations(FdoInt32& length) = 0;
    00068
    00069     /// \brief
    00070     /// Determines if the feature provider supports geodesic distance measurement. Returns false if the feature provider supports only linear distance measurement.
    00071     ///
    00072     /// \return
    00073     /// Returns true if the feature provider supports geodesic distance measurement
    00074     ///
    00075     FDO_API virtual bool SupportsGeodesicDistance() = 0;
    00076
    00077     /// \brief
    00078     /// Determines if spatial and distance operations can be applied between two
    00079     /// geometric properties. Returns false if spatial and distance operations can be applied only between
    00080     /// a geometric property and a literal geometry.
    00081     ///
    00082     /// \return
    00083     /// Returns true if spatial and distance operations can be applied
    00084     ///
    00085     FDO_API virtual bool SupportsNonLiteralGeometricOperations() = 0;
    00086 };
    00087 #endif
    00088
    00089

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