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\Feature\mgIBaseSelectImp.h" 00022 #include "FDO\Commands\Feature\mgISelect.h" 00023 00024 class FdoISelect; 00025 00026 BEGIN_NAMESPACE_OSGEO_FDO_COMMANDS_FEATURE 00027 00028 /// \ingroup (OSGeoFDOCommandsFeature) 00029 /// \brief 00030 /// The ISelectImp class is a concrete implementation of interface ISelect. 00031 /// The ISelect interface defines the Select command, which queries for features 00032 /// of a given class that match the specified criteria. Input to the select 00033 /// command includes the name of the class, the list of properties to be 00034 /// returned, and a filter. All but the class name is optional. If the list of 00035 /// properties to be returned is empty then all properties are returned. The 00036 /// filter may be specified either as text or as an expression tree (most likely 00037 /// produced by a query builder). The result of executing a select command is an 00038 /// IFeatureReader reference (see "Reading Features"). If the feature provider 00039 /// supports locking, then the select command can optionally lock all of the 00040 /// features selected, via the ExecuteWithLock method (see "Locking 00041 /// Commands" for more information on locking features). 00042 private __gc class ISelectImp : public NAMESPACE_OSGEO_FDO_COMMANDS_FEATURE::IBaseSelectImp, public NAMESPACE_OSGEO_FDO_COMMANDS_FEATURE::ISelect 00043 { 00044 public: 00045 /// \brief 00046 /// Gets the LockType value (see "Locking Commands"). 00047 /// 00048 /// \return 00049 /// Returns the lock type. 00050 /// 00051 __property NAMESPACE_OSGEO_FDO_COMMANDS_LOCKING::LockType get_LockType(); 00052 00053 /// \brief 00054 /// Sets the LockType value (see "Locking Commands"). 00055 /// 00056 /// \param value 00057 /// Input the lock type. 00058 /// 00059 /// \return 00060 /// Returns nothing 00061 /// 00062 __property System::Void set_LockType(NAMESPACE_OSGEO_FDO_COMMANDS_LOCKING::LockType value); 00063 00064 /// \brief 00065 /// Gets the LockStrategy value (see "Locking Commands"). 00066 /// 00067 /// \return 00068 /// Returns the lock strategy. 00069 /// 00070 __property NAMESPACE_OSGEO_FDO_COMMANDS_LOCKING::LockStrategy get_LockStrategy(); 00071 00072 /// \brief 00073 /// Sets the LockStrategy value (see "Locking Commands"). 00074 /// 00075 /// \param value 00076 /// Input the lock strategy. 00077 /// 00078 /// \return 00079 /// Returns nothing 00080 /// 00081 __property System::Void set_LockStrategy(NAMESPACE_OSGEO_FDO_COMMANDS_LOCKING::LockStrategy value); 00082 00083 /// \brief 00084 /// Executes the select command and returns a reference to an IFeatureReader. 00085 /// 00086 /// \return 00087 /// Returns the feature reader. 00088 /// 00089 NAMESPACE_OSGEO_FDO_COMMANDS_FEATURE::IFeatureReader* Execute(); 00090 00091 /// \brief 00092 /// Executes the select command and returns a reference to an 00093 /// IFeatureReader. 00094 /// 00095 /// \return 00096 /// Returns the feature reader. 00097 /// 00098 NAMESPACE_OSGEO_FDO_COMMANDS_FEATURE::IFeatureReader* ExecuteWithLock(); 00099 00100 /// \brief 00101 /// When executing the operation ExecuteWithLock lock 00102 /// conflicts may occur. Those lock conflicts are reported. The 00103 /// function GetLockConflicts returns a lock conflict reader 00104 /// providing access to the list of lock conflicts that occurred 00105 /// during the execution of the operation. 00106 /// 00107 /// \return 00108 /// Returns a lock conflict reader. 00109 /// 00110 __property NAMESPACE_OSGEO_FDO_COMMANDS_LOCKING::ILockConflictReader* get_LockConflicts(); 00111 00112 public private: 00113 ISelectImp(System::IntPtr unmanaged, System::Boolean autoDelete) : NAMESPACE_OSGEO_FDO_COMMANDS_FEATURE::IBaseSelectImp(unmanaged, autoDelete) 00114 { 00115 00116 } 00117 00118 inline FdoISelect* GetImpObj(); 00119 }; 00120 00121 END_NAMESPACE_OSGEO_FDO_COMMANDS_FEATURE 00122 00123
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