/// <summary>
/// Evaluate the current Formula with a passed list of arguments.
/// </summary>
/// <param name="arguments">The name/value pairs of arguments.</param>
/// <returns>An object representing the value of the Formula.</returns>
public object Evaluate(IDictionary arguments)
{
if (resolutionType == FormulaResolutionType.NxBRE)
{
if (evaluator == null)
{
evaluator = Compilation.NewEvaluator(expression,
DEFAULT_EXPRESSION_PLACEHOLDER,
DEFAULT_NUMERIC_ARGUMENT_PATTERN,
arguments);
}
return(evaluator.Run(arguments));
}
else if (resolutionType == FormulaResolutionType.Binder)
{
if (formulaSignature == null)
{
formulaSignature = Parameter.BuildFormulaSignature(expression);
}
// if arguments have been passed in the formula signature, pass them to the binder as
// a special entry in the arguments IDictionary (this approach has been preferred to modifying the
// Compute method signature which would have broken this compatibility
if (formulaSignature.Arguments.Count > 0)
{
arguments.Add(typeof(Parameter), formulaSignature.Arguments);
}
return(bob.Compute(formulaSignature.Name, arguments));
}
else
{
throw new BREException("Formula evaluation mode not supported: " + resolutionType);
}
}
