protected TreatmentResult GetTreatment(Key key, ParsedSplit split, Dictionary <string, object> attributes, ISplitClient splitClient)
{
if (!split.killed)
{
bool inRollout = false;
// use the first matching condition
foreach (var condition in split.conditions)
{
if (!inRollout && condition.conditionType == ConditionType.ROLLOUT)
{
if (split.trafficAllocation < 100)
{
// bucket ranges from 1-100.
var bucket = split.algo == AlgorithmEnum.LegacyHash ? splitter.LegacyBucket(key.bucketingKey, split.trafficAllocationSeed) : splitter.Bucket(key.bucketingKey, split.trafficAllocationSeed);
if (bucket > split.trafficAllocation)
{
return(new TreatmentResult(LabelTrafficAllocationFailed, split.defaultTreatment, split.changeNumber));
}
}
inRollout = true;
}
var combiningMatcher = condition.matcher;
if (combiningMatcher.Match(key, attributes, splitClient))
{
var treatment = splitter.GetTreatment(key.bucketingKey, split.seed, condition.partitions, split.algo);
return(new TreatmentResult(condition.label, treatment, split.changeNumber));
}
}
return(new TreatmentResult(LabelDefaultRule, split.defaultTreatment, split.changeNumber));
}
else
{
return(new TreatmentResult(LabelKilled, split.defaultTreatment, split.changeNumber));
}
}
private void VerifyTestFile(string file, string[] sepparator, bool legacy = true)
{
//Arrange
var fileContent = File.ReadAllText(file);
var contents = fileContent.Split(sepparator, StringSplitOptions.None);
var csv = from line in contents
select line.Split(',').ToArray();
var splitter = new Splitter();
bool first = true;
var results = new List <string>();
//Act
foreach (string[] item in csv)
{
if (first)
{
first = false;
}
else
{
if (item.Length == 4)
{
var hash = legacy ? splitter.LegacyHash(item[1], int.Parse(item[0])) : splitter.Hash(item[1], int.Parse(item[0]));
var bucket = legacy ? splitter.LegacyBucket(item[1], int.Parse(item[0])) : splitter.Bucket(item[1], int.Parse(item[0]));
//Assert
Assert.AreEqual(hash, long.Parse(item[2]));
Assert.AreEqual(bucket, int.Parse(item[3]));
}
}
}
}
protected string GetTreatment(Key key, ParsedSplit split, Dictionary <string, object> attributes, long start, Stopwatch clock, ISplitClient splitClient, bool logMetricsAndImpressions)
{
if (!split.killed)
{
bool inRollout = false;
// use the first matching condition
foreach (ConditionWithLogic condition in split.conditions)
{
if (!inRollout && condition.conditionType == ConditionType.ROLLOUT)
{
if (split.trafficAllocation < 100)
{
// bucket ranges from 1-100.
int bucket = split.algo == AlgorithmEnum.LegacyHash ? splitter.LegacyBucket(key.bucketingKey, split.trafficAllocationSeed) : splitter.Bucket(key.bucketingKey, split.trafficAllocationSeed);
if (bucket >= split.trafficAllocation)
{
if (logMetricsAndImpressions)
{
// If not in traffic allocation, abort and return
// default treatment
RecordStats(key, split.name, split.changeNumber, LabelTrafficAllocationFailed, start, split.defaultTreatment, SdkGetTreatment, clock);
}
return(split.defaultTreatment);
}
}
inRollout = true;
}
var combiningMatcher = condition.matcher;
if (combiningMatcher.Match(key, attributes, splitClient))
{
var treatment = splitter.GetTreatment(key.bucketingKey, split.seed, condition.partitions, split.algo);
if (logMetricsAndImpressions)
{
//If condition matched, impression label = condition.label
RecordStats(key, split.name, split.changeNumber, condition.label, start, treatment, SdkGetTreatment, clock);
}
return(treatment);
}
}
if (logMetricsAndImpressions)
{
//If no condition matched, impression label = "no rule matched"
RecordStats(key, split.name, split.changeNumber, LabelNoConditionMatched, start, split.defaultTreatment, SdkGetTreatment, clock);
}
return(split.defaultTreatment);
}
else
{
if (logMetricsAndImpressions)
{
//If split was killed, impression label = "killed"
RecordStats(key, split.name, split.changeNumber, LabelKilled, start, split.defaultTreatment, SdkGetTreatment, clock);
}
return(split.defaultTreatment);
}
}