Gemstone Expressions Library
Value
Derives an expression based on member info with any this
keywords properly referencing Instance value.
Definition
Namespace: Gemstone.Expressions.Model
Assembly: Gemstone.Expressions (in Gemstone.Expressions.dll) Version: 1.0.150 -- Release Build+57a1382d24fc46d3ddb58e6b2fe8810ca35b09f5
Derived expression with any this keywords properly referencing Instance value.
Assembly: Gemstone.Expressions (in Gemstone.Expressions.dll) Version: 1.0.150 -- Release Build+57a1382d24fc46d3ddb58e6b2fe8810ca35b09f5
C#
public static string DeriveExpression(
string expression,
IValueExpressionAttribute valueExpressionAttribute,
MemberInfo member,
string typeName
)VB
Public Shared Function DeriveExpression (
expression As String,
valueExpressionAttribute As IValueExpressionAttribute,
member As MemberInfo,
typeName As String
) As StringC++
public:
static String^ DeriveExpression(
String^ expression,
IValueExpressionAttribute^ valueExpressionAttribute,
MemberInfo^ member,
String^ typeName
)JavaScript
Gemstone.Expressions.Model.ValueExpressionParser.DeriveExpression = function(expression, valueExpressionAttribute, member, typeName);Parameters
- expression String
- Expression to derive, typically from GetPropertyUpdateValue(PropertyInfo) or GetExpressionUpdateValue(PropertyInfo).
- valueExpressionAttribute IValueExpressionAttribute
- Associated IValueExpressionAttribute instance.
- member MemberInfo
- Associated MemberInfo instance, typically target property for valueExpressionAttribute.
- typeName String
- Modeled type name, e.g., typeof<T>.FullName.
Return Value
StringDerived expression with any this keywords properly referencing Instance value.
Exceptions
| EvaluationOrderException | Specified expression references the this keyword and must specify a positive EvaluationOrder. |
| ArgumentNullException | Parameter expression cannot be null. |