public static string ToString <T>(Activity <T> activity)
{
var literal = activity as Literal <T>;
if (literal != null && CSharpConvert.IsCodePrimitive(literal.Value))
{
// TODO : P2 : Handle literals according to the expression language
return(CSharpConvert.ToString(literal.Value));
}
var serializableExpression = activity as IValueSerializableExpression;
if (serializableExpression != null && serializableExpression.CanConvertToString(null))
{
return(serializableExpression.ConvertToString(null));
}
var textExpression = activity as ITextExpression;
if (textExpression != null)
{
return(textExpression.ExpressionText);
}
return(null);
}
public static string ToString(ActivityWithResult activity)
{
if (activity == null)
{
return(null);
}
if (activity.GetType().IsConstructedGenericTypeOf(typeof(Literal <>)) && CSharpConvert.IsCodePrimitive(activity.ResultType))
{
return(CSharpConvert.ToString(((dynamic)activity).Value));
}
var serializableExpression = activity as IValueSerializableExpression;
if (serializableExpression != null && serializableExpression.CanConvertToString(null))
{
return(serializableExpression.ConvertToString(null));
}
var textExpression = activity as ITextExpression;
if (textExpression != null)
{
return(textExpression.ExpressionText);
}
return(null);
}