Changes between Version 20 and Version 21 of FDORfc17

Timestamp:

Apr 28, 2008, 9:44:34 AM (16 years ago)

Author:

gregboone

Comment:

--

FDORfc17

@@ -498 +498 @@
 {{{
 /// \brief
-/// This class defines the base interface from which all Expression Engine interfaces derive.
+/// This class defines the base interface from which all Function classes derive.
 ///
 public __gc class OSGeo::FDO::Utilities::ExpressionEngine::IFunction : public OSGeo::Runtime::Disposable
@@ -509 +509 @@
     __property OSGeo::FDO::Connections::Capabilities::FunctionDefinition *get_FunctionDefinition ();
 };
+
+=== Expression Engine IAggregateFunction Interface ===
+
+{{{
+/// \brief
+/// This class defines the base interface from which all Aggregate Function classes derive.
+///
+public __gc class OSGeo::FDO::Utilities::ExpressionEngine::IAggregateFunction : public OSGeo::FDO::Utilities::ExpressionEngine::IFunction
+{
+public:
+    /// \brief
+    /// Executes the call of the function on an expression value.
+    System::Void Process(OSGeo::FDO::Expression::LiteralValueCollection *literal_values);
+
+    /// \brief
+    //  Returns the result of the function.
+    __property OSGeo::FDO::Expression::LiteralValue *get_Result();
+};
+
+
+=== Expression Engine INonAggregateFunction Interface ===
+
+{{{
+/// \brief
+/// This class defines the base interface from which all Non-Aggregate Function classes derive.
+///
+public __gc class OSGeo::FDO::Utilities::ExpressionEngine::INonAggregateFunction : public OSGeo::FDO::Utilities::ExpressionEngine::IFunction
+{
+public:
+    /// \brief
+    /// The function determines the function result and returns it back to
+    /// the calling routine.
+    __property OSGeo::FDO::Expression::LiteralValue * Evaluate(OSGeo::FDO::Expression::LiteralValueCollection *literalValues);
+};
+
+