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\Expression\mgExpression.h" 00022 #include "FDO\Expression\mgUnaryOperations.h" 00023 00024 class FdoUnaryExpression; 00025 00026 BEGIN_NAMESPACE_OSGEO_FDO_EXPRESSION 00027 public __gc class Expression; 00028 public __gc __interface IExpressionProcessor; 00029 00030 /// \ingroup (OSGeoFDOExpression) 00031 /// \brief 00032 /// The UnaryExpression class derives from Expression and allows negation of 00033 /// arithmetic expressions. 00034 public __gc class UnaryExpression : public NAMESPACE_OSGEO_FDO_EXPRESSION::Expression 00035 { 00036 public: 00037 00038 /// \brief 00039 /// Constructs a default instance of an UnaryExpression. 00040 /// 00041 /// \return 00042 /// Returns UnaryExpression 00043 /// 00044 UnaryExpression(); 00045 00046 /// \brief 00047 /// Constructs an instance of an UnaryExpression using the specified arguments. 00048 /// 00049 /// \param operation 00050 /// Input the type of unary operation 00051 /// \param expression 00052 /// Input the expression 00053 /// 00054 /// \return 00055 /// Returns UnaryExpression 00056 /// 00057 UnaryExpression(NAMESPACE_OSGEO_FDO_EXPRESSION::UnaryOperations operation, NAMESPACE_OSGEO_FDO_EXPRESSION::Expression* expression); 00058 00059 /// \brief 00060 /// Gets the unary operation to be evaluated by this expression. 00061 /// 00062 /// \return 00063 /// Returns the unary operation 00064 /// 00065 __property NAMESPACE_OSGEO_FDO_EXPRESSION::UnaryOperations get_Operation(); 00066 00067 /// \brief 00068 /// Sets the unary operation to be evaluated by this expression. 00069 /// 00070 /// \param value 00071 /// Input the type of unary operation 00072 /// 00073 /// \return 00074 /// Returns nothing 00075 /// 00076 __property System::Void set_Operation(NAMESPACE_OSGEO_FDO_EXPRESSION::UnaryOperations value); 00077 00078 /// \brief 00079 /// Gets the expression to be operated on. 00080 /// 00081 /// \return 00082 /// Returns the expression 00083 /// 00084 __property NAMESPACE_OSGEO_FDO_EXPRESSION::Expression* get_Expressions(); 00085 00086 /// \brief 00087 /// Sets the expression to be operated on. 00088 /// 00089 /// \param value 00090 /// Input the value expression 00091 /// 00092 /// \return 00093 /// Returns nothing 00094 /// 00095 __property System::Void set_Expressions(NAMESPACE_OSGEO_FDO_EXPRESSION::Expression* value); 00096 00097 /// \brief 00098 /// Overrides Expression.Process to pass the UnaryExpression to the 00099 /// appropriate expression processor operation. 00100 /// 00101 /// \param processor 00102 /// Input expression processor interface 00103 /// 00104 /// \return 00105 /// Returns nothing 00106 /// 00107 System::Void Process(NAMESPACE_OSGEO_FDO_EXPRESSION::IExpressionProcessor* processor); 00108 00109 /// \brief 00110 /// Returns the well defined text representation of this expression. 00111 /// 00112 /// \return 00113 /// Returns the well defined text representation of this expression 00114 /// 00115 System::String* ToString(); 00116 00117 /// \brief 00118 /// Constructs a UnaryExpression object based on an unmanaged instance of the object 00119 /// 00120 /// \param unmanaged 00121 /// Input A Pointer to the unmanaged object. 00122 /// 00123 /// \param autoDelete 00124 /// Input Indicates if the constructed object should be automatically deleted 00125 /// once it no longer referenced. 00126 /// 00127 UnaryExpression(System::IntPtr unmanaged, System::Boolean autoDelete); 00128 00129 public private: 00130 inline FdoUnaryExpression* GetImpObj(); 00131 }; 00132 00133 END_NAMESPACE_OSGEO_FDO_EXPRESSION 00134 00135
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