| 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\DataStore\mgIDataStoreReader.h" 00022 00023 class FdoIDataStoreReader; 00024 00025 BEGIN_NAMESPACE_OSGEO_FDO_COMMANDS_DATASTORE 00026 public __gc __interface IDataStorePropertyDictionary; 00027 00028 /// \ingroup (OSGeoFDOCommandsDataStore) 00029 /// \brief 00030 /// The IDataStoreReaderImp class is a concrete implementation class of the 00031 /// IDataStoreReader interface. IDataStoreReader provides a forward-only, read-only iterator 00032 /// for reading feature data. A reference to an IDataStoreReader is returned 00033 /// from the IListDataStores command. Because the initial position of the 00034 /// IDataStoreReader is prior to the first item, you must call 00035 /// ReadNext to begin accessing any data. 00036 private __gc class IDataStoreReaderImp : public NAMESPACE_OSGEO_RUNTIME::Disposable, public NAMESPACE_OSGEO_FDO_COMMANDS_DATASTORE::IDataStoreReader 00037 { 00038 public: 00039 /// \brief 00040 /// Gets the name of the datastore currently being read. 00041 /// 00042 /// \return 00043 /// Returns the description of the datastore. 00044 /// 00045 System::String* GetName(); 00046 00047 /// \brief 00048 /// Gets the description of the datastore currently being read. 00049 /// 00050 /// \return 00051 /// Returns the description of the datastore. 00052 /// 00053 System::String* GetDescription(); 00054 00055 /// \brief 00056 /// Gets the flag that indicates whether the datastore is FDO enabled. 00057 /// Non-FDO databases are also referred to as “Foreign?datastores. 00058 /// 00059 /// \return 00060 /// Returns the flag 00061 /// 00062 System::Boolean GetIsFdoEnabled(); 00063 00064 /// \brief 00065 /// Gets the IDataStorePropertyDictionary interface that 00066 /// includes the properties of the datastores set at datastore create 00067 /// time, with the exception of password. 00068 /// 00069 /// \return 00070 /// Returns the property dictionary 00071 /// 00072 NAMESPACE_OSGEO_FDO_COMMANDS_DATASTORE::IDataStorePropertyDictionary* GetDataStoreProperties(); 00073 00074 /// \brief 00075 /// Advances the reader to the next item and returns true if there is 00076 /// another object to read or false if reading is complete. The default 00077 /// position of the reader is prior to the first item. Thus you must 00078 /// call ReadNext to begin accessing any data. 00079 /// 00080 /// \return 00081 /// Returns true if there is a next item. 00082 /// 00083 System::Boolean ReadNext(); 00084 00085 /// \brief 00086 /// Closes the IDataStoreReader object, freeing any resources it may be holding. 00087 /// 00088 /// \return 00089 /// Returns nothing 00090 /// 00091 System::Void Close(); 00092 00093 public private: 00094 IDataStoreReaderImp(System::IntPtr unmanaged, System::Boolean autoDelete); 00095 00096 inline FdoIDataStoreReader* GetImpObj(); 00097 00098 /// \cond DOXYGEN-IGNORE 00099 protected: 00100 System::Void ReleaseUnmanagedObject(); 00101 /// \endcond 00102 }; 00103 00104 END_NAMESPACE_OSGEO_FDO_COMMANDS_DATASTORE 00105 00106
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