public WINTER_2012_SwimTimeRuleProcessor(IList <ISwimTimeRule> theRules)
{
if (theRules == null)
{
throw new ArgumentException("Cannot have a null list of rules");
}
this.ruleBucketTree = new List <SwimTimeRuleBucket>();
IList <ISwimTimeRule> rulesDecomposedIntoDiscreteTimePeriods = new List <ISwimTimeRule>();
foreach (ISwimTimeRule aRule in theRules)
{
if (Math.Sqrt(aRule.GetRuleRepeatabilityPeriodInHours() * aRule.GetRuleRepeatabilityPeriodInHours()) <= 1.0 / 60.0)//Rules less than 1 minute in repeatability are considered constant rules
{
rulesDecomposedIntoDiscreteTimePeriods.Add(aRule);
}
else//repeated rule, so explcitly make it a concrete one
{
DateTime startDate;//When the rule starts
DateTime endDate; //When the rule ends
DateTime repDate; //The "zero" date; the repition period "hops" forwards from this date.
double repPeriod;
ISwimTimeRule temp;
ApplicableMinAndMax ruleMinAndMax = aRule.GetMinAndMaxHours();
startDate = aRule.GetAbsoluteStartingDate();
endDate = aRule.GetAbsoluteEndingDate();
repDate = aRule.GetRuleStartDate();
repPeriod = aRule.GetRuleRepeatabilityPeriodInHours();
DateTime hopDate = repDate;
while (hopDate < startDate)//The hop date could be "funky"; move it forward until it is inside the time period we care about.
{
hopDate = hopDate.Add(TimeSpan.FromHours(repPeriod));
}
DateTime currentConcreteRuleStartDate = startDate;
DateTime currentConcreteRuleEndDate = (hopDate < endDate) ? hopDate : endDate;
while (currentConcreteRuleStartDate < endDate)
{
temp = SwimTimeRuleFactory.CreateSwimTimeRule(ruleMinAndMax.GetMinimumVisitLengthInHoursThatCounts(), ruleMinAndMax.GetMaximumHoursAllowedInThisTimePeriod(), currentConcreteRuleStartDate, currentConcreteRuleEndDate);
rulesDecomposedIntoDiscreteTimePeriods.Add(temp);
//Now move forward one repition period
currentConcreteRuleStartDate = currentConcreteRuleEndDate;
hopDate = hopDate.Add(TimeSpan.FromHours(repPeriod));
currentConcreteRuleEndDate = (hopDate < endDate) ? hopDate : endDate;
}
}
}
SwimTimeRuleBucket tempBucket;
foreach (ISwimTimeRule decoRules in rulesDecomposedIntoDiscreteTimePeriods)
{
tempBucket = new SwimTimeRuleBucket(decoRules);
ruleBucketTree.Add(tempBucket);
}
}
private bool RuleAppliesToThisVisit(DateTime startTime, SwimTimeRuleBucket ctrb)
{
return(startTime >= ctrb.GetStartDate() && startTime <= ctrb.GetEndDate());
}
