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 #include "FDO\Commands\mgICommandImp.h" 00022 #include "FDO\Commands\Schema\mgIDescribeSchema.h" 00023 00024 class FdoIDescribeSchema; 00025 00026 BEGIN_NAMESPACE_OSGEO_FDO_SCHEMA 00027 public __gc class FeatureSchemaCollection; 00028 END_NAMESPACE_OSGEO_FDO_SCHEMA 00029 00030 BEGIN_NAMESPACE_OSGEO_FDO_COMMANDS_SCHEMA 00031 00032 /// \ingroup (OSGeoFDOCommandsSchema) 00033 /// \brief 00034 /// The IDescribeSchemaImp class is a concrete implementation of IDescribeSchema. 00035 /// The IDescribeSchema interface defines the DescribeSchema command, which 00036 /// describes the feature schemas available from the connection. The DescribeSchema 00037 /// command can describe a single schema or all schemas available from 00038 /// the connection. The Execute operation returns an FeatureSchemaCollection 00039 /// object. 00040 private __gc class IDescribeSchemaImp : public NAMESPACE_OSGEO_FDO_COMMANDS::ICommandImp, 00041 public NAMESPACE_OSGEO_FDO_COMMANDS_SCHEMA::IDescribeSchema 00042 { 00043 public: 00044 /// \brief 00045 /// Gets the name of the schema to describe. This function is optional; 00046 /// if not specified, execution of the command will describe all schemas. 00047 /// 00048 /// \return 00049 /// Returns the schema name 00050 /// 00051 __property System::String* get_SchemaName(); 00052 00053 /// \brief 00054 /// Sets the name of the schema to describe. This function is optional; if not 00055 /// specified execution of the command will describe all schemas. 00056 /// 00057 /// \param value 00058 /// Input the schema name 00059 /// 00060 /// \return 00061 /// Returns nothing 00062 /// 00063 __property System::Void set_SchemaName(System::String* value); 00064 00065 /// \brief 00066 /// Executes the DescribeSchema command and returns a 00067 /// FeatureSchemaCollection. If a schema name is given that has 00068 /// references to another schema, the dependent schemas will 00069 /// be returned as well. If the specified schema name does not exist, 00070 /// the Execute method throws an exception. 00071 /// 00072 /// \return 00073 /// Returns the schema collection representing the schema created. 00074 /// The element states for all elements will be set to SchemaElementState_Unchanged. 00075 /// Each provider-specific implementation of Execute() can ensure 00076 /// that this is the case by 00077 /// calling FeatureSchema::AcceptChanges() for each feature schema 00078 /// in the returned collection. 00079 /// 00080 NAMESPACE_OSGEO_FDO_SCHEMA::FeatureSchemaCollection* Execute(); 00081 00082 public private: 00083 IDescribeSchemaImp(System::IntPtr unmanaged, System::Boolean autoDelete) : NAMESPACE_OSGEO_FDO_COMMANDS::ICommandImp(unmanaged, autoDelete) 00084 { 00085 00086 } 00087 00088 inline FdoIDescribeSchema* GetImpObj(); 00089 }; 00090 00091 END_NAMESPACE_OSGEO_FDO_COMMANDS_SCHEMA 00092 00093
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