static public IFeedbackCounter Parse(string text)
{
if (string.IsNullOrEmpty(text))
{
return(null);
}
string parseText = text.Trim();
if (!parseText.StartsWith("{") || !parseText.EndsWith("}"))
{
return(null);
}
parseText = parseText.Substring(1, parseText.Length - 2);
var splitedParseText = parseText.Split(new[] { ',' });
var positiveLifeCycleStamp = int.Parse(splitedParseText[1].Trim().Substring(IdentifierPositiveLifeCycleStamp.Length));
var negativeLifeCycleStamp = int.Parse(splitedParseText[3].Trim().Substring(IdentifierNegativeLifeCycleStamp.Length));
var result = new FeedbackCounter(positiveLifeCycleStamp, negativeLifeCycleStamp);
result.PositiveCount = int.Parse(splitedParseText[0].Trim().Substring(IdentifierPositiveCount.Length));
result.NegativeCount = int.Parse(splitedParseText[2].Trim().Substring(IdentifierNegativeCount.Length));
return(result);
}
static public FeedbackCounter operator +(FeedbackCounter lhs, FeedbackCounter rhs)
{
if (lhs == null || rhs == null)
{
return(null);
}
FeedbackCounter result = new FeedbackCounter(lhs.PositiveLifeCycleStamp + rhs.PositiveLifeCycleStamp, lhs.NegativeLifeCycleStamp + rhs.NegativeLifeCycleStamp);
result.PositiveCount = lhs.PositiveCount + rhs.PositiveCount;
result.NegativeCount = lhs.NegativeCount + rhs.NegativeCount;
return(result);
}