public bool Evaluate(MessageDataItem dataItem)
{
Variant firstValue = FirstValue.GetValue(dataItem);
string message = null;
switch (firstValue.Type)
{
case VariantType.Boolean: message = firstValue.BooleanValue.ToString(); break;
case VariantType.DateTime: message = firstValue.DateTimeValue.ToString("o"); break;
case VariantType.Float: message = firstValue.FloatValue.ToString(); break;
case VariantType.Int: message = firstValue.IntValue.ToString(); break;
case VariantType.String: message = firstValue.StringValue; break;
}
if (Operator == RegExExpressionOperator.Matches)
{
return(RegularExpressions.Evaluate(message));
}
if (Operator == RegExExpressionOperator.NotMatches)
{
return(!RegularExpressions.Evaluate(message));
}
return(false);
}