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 00022 public __gc __interface IConnection; 00023 END_NAMESPACE_OSGEO_FDO_CONNECTIONS 00024 00025 BEGIN_NAMESPACE_OSGEO_FDO 00026 00027 /// \ingroup (OSGeoFDO) 00028 /// \interface OSGeo::FDO::IConnectionManager 00029 /// \brief 00030 /// The IConnectionManager interface supports dynamic creation of connection objects 00031 /// given a provider name. 00032 /// 00033 /// \remarks 00034 /// In order for dynamic creation to work, each dynamic link library, shared library, 00035 /// or assembly that implements a provider must supply a well-defined entry point function that 00036 /// takes as input a provider name and returns an FdoIConnection instance. The definition of the 00037 /// entry point function is language- and platform-dependent. For this release of FDO, the 00038 /// windows libraries supporting FDO providers will be expected to support the following well-known 00039 /// entry point function, which will create and return an unitialized connection object: 00040 /// 00041 /// FdoIConnection * CreateConnection(); 00042 /// 00043 public __gc __interface IConnectionManager : public System::IDisposable 00044 { 00045 public: 00046 /// \brief 00047 /// Creates an unitialized connection object given the provider name. 00048 /// 00049 /// \param providerName 00050 /// The unique name of the feature provider. This name should be of the form 00051 /// [Company].[Provider].[Version]. 00052 /// 00053 /// \return 00054 /// Returns an instance of an IConnection object. Throws an instance of Exception if an error occurs. 00055 /// 00056 NAMESPACE_OSGEO_FDO_CONNECTIONS::IConnection* CreateConnection(String* providerName); 00057 00058 /// \brief 00059 /// Frees a connection library reference given the provider name. 00060 /// 00061 /// \param providerName 00062 /// The unique name of the feature provider. This name should be of the form 00063 /// [Company].[Provider].[Version]. 00064 /// 00065 /// \return 00066 /// Returns nothing. Throws an instance of Exception if an error occurs. 00067 /// 00068 System::Void FreeLibrary(String* providerName); 00069 }; 00070 00071 END_NAMESPACE_OSGEO_FDO 00072 00073
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