protected virtual Expression CreateMemberExpression()
{
Type memberType = FilterDescriptor.MemberType;
MemberAccessExpressionBuilderBase expressionBuilderBase =
ExpressionBuilderFactory.MemberAccess(ParameterExpression.Type, memberType, FilterDescriptor.Member);
expressionBuilderBase.Options.CopyFrom(Options);
expressionBuilderBase.ParameterExpression = ParameterExpression;
Expression expression = expressionBuilderBase.CreateMemberAccessExpression();
if (memberType != null &&
TypeExtensions.GetNonNullableType(expression.Type) != TypeExtensions.GetNonNullableType(memberType))
{
expression = Expression.Convert(expression, memberType);
}
return(expression);
}
public static LambdaExpression Lambda <T>(string memberName, bool checkForNull)
{
MemberAccessExpressionBuilderBase expressionBuilder = ExpressionBuilderFactory.MemberAccess(typeof(T), memberName, checkForNull);
return(expressionBuilder.CreateLambdaExpression());
}
