| FDO .NET API Reference | Feature Data Objects |
00001 /* 00002 * Copyright (C) 2004-2006 Autodesk, Inc. 00003 * 00004 * This library is free software; you can redistribute it and/or 00005 * modify it under the terms of version 2.1 of the GNU Lesser 00006 * General Public License as published by the Free Software Foundation. 00007 * 00008 * This library is distributed in the hope that it will be useful, 00009 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00010 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00011 * Lesser General Public License for more details. 00012 * 00013 * You should have received a copy of the GNU Lesser General Public 00014 * License along with this library; if not, write to the Free Software 00015 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00016 * 00017 */ 00018 00019 #pragma once 00020 00021 BEGIN_NAMESPACE_OSGEO_FDO_CONNECTIONS_CAPABILITIES 00022 00023 /// \ingroup (OSGeoFDOConnectionsCapabilities) 00024 /// \interface OSGeo::FDO::Connections::Capabilities::ICommandCapabilities 00025 /// \brief 00026 /// The ICommandCapabilities interface declares the feature provider's level 00027 /// of support for Commands. 00028 public __gc __interface ICommandCapabilities : public System::IDisposable 00029 { 00030 public: 00031 /// \brief 00032 /// Gets an array of the CommandType values supported by the feature provider. 00033 /// 00034 /// \return 00035 /// Returns the list of commands 00036 /// 00037 __property System::Int32 get_Commands() []; 00038 00039 /// \brief 00040 /// Determines if commands support parameterization. 00041 /// 00042 /// \return 00043 /// Returns true if commands support parameterization 00044 /// 00045 System::Boolean SupportsParameters(); 00046 00047 /// \brief 00048 /// Determines if the feature provider supports command execution timeout. 00049 /// 00050 /// \return 00051 /// Returns true if the feature provider supports timeout. 00052 /// 00053 System::Boolean SupportsTimeout(); 00054 00055 /// \brief 00056 /// Determines if the feature provider can use expressions for properties with Select and SelectAggregate commands. 00057 /// 00058 /// \return 00059 /// Returns true if the feature provider supports select expressions. 00060 /// 00061 System::Boolean SupportsSelectExpressions(); 00062 00063 /// \brief 00064 /// Determines if simple functions can be used in Select and SelectAggregates command. 00065 /// Aggregate functions can only be used in the SelectAggregates command. Capability for using SelectAggregates is found in 00066 /// CommandCapabilities. 00067 /// 00068 /// \return 00069 /// Returns true if the feature provider supports select simple functions. 00070 /// 00071 System::Boolean SupportsSelectFunctions(); 00072 00073 /// \brief 00074 /// Determines if Distinct can be used with SelectAggregates. This can be true only 00075 /// if the SelectAggregates command is supported by the provider. 00076 /// 00077 /// \return 00078 /// Returns true if the feature provider supports select distinct. 00079 /// 00080 System::Boolean SupportsSelectDistinct(); 00081 00082 /// \brief 00083 /// Determines if ordering is available in the Select and SelectAggregates command. 00084 /// 00085 /// \return 00086 /// Returns true if the feature provider supports select ordering. 00087 /// 00088 System::Boolean SupportsSelectOrdering(); 00089 00090 /// \brief 00091 /// Determines if a grouping criteria is available in the SelectAggregates command. 00092 /// This can be true only if the SelectAggregates command is supported by the provider. 00093 /// 00094 /// \return 00095 /// Returns true if the feature provider supports select grouping. 00096 /// 00097 /// Note: Aggregate functions can be supported without also supporting grouping criteria 00098 /// (but not vice versa). 00099 System::Boolean SupportsSelectGrouping(); 00100 00101 }; 00102 00103 END_NAMESPACE_OSGEO_FDO_CONNECTIONS_CAPABILITIES 00104 00105
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