private ScheduleOfRITEs BuildScheduleFromRITChars(string name, HashSet <long> EDSschedule)
{
ScheduleOfRITEs newSchedule = new ScheduleOfRITEs(name);
foreach (long RITCharID in EDSschedule)
{
long RITEID = EDSDataExtract.CoverageIdAttrMap[RITCharID].RITExposureId;
RITCharacteristic characteristicToAdd = _characteristics.Where(ritchar => ritchar.ID == RITCharID).FirstOrDefault();
RITE ritetoAdd = _rites.Where(rite => rite.ExposureID == RITEID).FirstOrDefault();
if (characteristicToAdd != null)
{
newSchedule.AddCharacteristic(characteristicToAdd);
}
else
{
throw new IndexOutOfRangeException("Error building schedule with RITCharacteristics: Cannot find RITCharacteristic with id = " + RITCharID + " in Exposure Data");
}
if (ritetoAdd != null)
{
newSchedule.AddItem(ritetoAdd);
}
else
{
throw new IndexOutOfRangeException("Error building schedule with RITEs: Cannot find RITE with id = " + RITEID + " in Exposure Data");
}
}
return(newSchedule);
}
public void AddCharacteristic(long _ID, ExposureType _expType, double _tiv)
{
RITCharacteristic Char = new RITCharacteristic(_ID, _expType, _tiv);
RiskCharacteristics.Add(Char);
Char.ParentRITE = this;
}
public List <AtomicLoss> GetAllocatedLossList(float[] AllocatedLossVector, int[] GULossIndicies, uint[] TimeStamps, Declarations contractDeclarations)
{
List <AtomicLoss> AllocatedLosses = new List <AtomicLoss>();
int NumOfArites = AllocatedLossVector.Length;
for (int i = 0; i < NumOfArites; i++)
{
if (AllocatedLossVector[i] > 0)
{
AtomicLoss loss = new AtomicLoss();
loss.ExposureID = Mapper.GetRITEIDFromIndex(GULossIndicies[i]);
loss.Subperil = Mapper.GetSubPerilFromIndex(GULossIndicies[i]);
loss.Loss = AllocatedLossVector[i];
RITCharacteristic RitChar = Mapper.GetRITCharObject(loss.ExposureID);
loss.RITE = RitChar.ParentRITE;
loss.ExpType = RitChar.ExpType;
//Get TimeStamp using Mapper:
int ContractYear = contractDeclarations.Inception.Year;
uint timestamp = TimeStamps[GULossIndicies[i]];
DateTime ActualTimeStamp = new DateTime(ContractYear, 1, 1);
ActualTimeStamp = ActualTimeStamp.AddDays((double)timestamp - 1);
loss.timestamp = ActualTimeStamp;
AllocatedLosses.Add(loss);
}
}
return(AllocatedLosses);
}
//public double[] GetGUForNode(GraphNode node)
//{
// PrimarySubject sub = (PrimarySubject)node.Subject;
// int numBldgs = sub.Schedule.ActNumOfBldgs;
// double[] subjectloss = new double[numBldgs];
// List<RITCharacteristic> LeftoverRiteChars = sub.Schedule.RITChars.ToList();
// foreach (GraphNode childnode in graph.GetChildrenForNode(node))
// {
// double[] nodeLosses = GetGUForNode(childnode);
// if (childnode is TermNode)
// {
// TermNode termNode = childnode as TermNode;
// if (numBldgs == 1)
// {
// subjectloss[0] += nodeLosses.Sum();
// }
// else if (numBldgs == nodeLosses.Count())
// {
// subjectloss.Zip(nodeLosses, (a, b) => a + b);
// }
// }
// else
// {
// CoverNode covNode = childnode as CoverNode;
// subjectloss[0] += covNode.Payout;
// }
// LeftoverRiteChars = LeftoverRiteChars.Except(childnode.Subject.Schedule.RITChars).ToList();
// }
// foreach (RITCharacteristic RITChar in LeftoverRiteChars)
// {
// foreach (string subperil in sub.CauseOfLossSet.GetSubperils())
// {
// if (sub.ExposureTypes.Contains(RITChar.ExpType))
// {
// double[] RITELoss;
// uint timestamp;
// string error;
// if (GetRITCharacteristicLoss(RITChar, subperil, out RITELoss, out timestamp, out error, numBldgs))
// subjectloss = subjectloss.Zip(RITELoss, (x, y) => x + y).ToArray();
// else
// throw new GUInputEngineException(error);
// }
// }
// }
// return subjectloss;
//}
private bool GetRITCharacteristicLoss(RITCharacteristic RITChar, string subperil, out double[] loss, out uint timestamp, out string error, int numBldgs)
{
bool success = true;
error = "";
long CharId = RITChar.ID;
double BuildingTIV = RITChar.TIV / RITChar.ParentRITE.NumOfTrueBldgs;
loss = new double[1];
loss[0] = 0;
timestamp = 0;
Dictionary <int, Dictionary <long, Tuple <double, uint, List <float> > > > AfterCOL;
if (GULosses.TryGetValue(subperil, out AfterCOL))
{
Dictionary <long, Tuple <double, uint, List <float> > > AfterSample;
if (AfterCOL.TryGetValue(0, out AfterSample))
{
Tuple <double, uint, List <float> > DamageRatio;
if (AfterSample.TryGetValue(CharId, out DamageRatio))
{
timestamp = DamageRatio.Item2;
if (DamageRatio.Item3.Count == numBldgs)
{
double[] multiplyArr = RITE.GenerateMultiplierArr(RITChar.ParentRITE.NumOfSampleBldgs);
loss = DamageRatio.Item3.Zip(multiplyArr, (d1, d2) => (double)d1 * d2).ToArray();
//loss = Array.ConvertAll(DamageRatio.Item2.ToArray(), x => (double)x);
success = true;
}
else if (numBldgs == 1)
{
double[] multiplyArr = RITE.GenerateMultiplierArr(RITChar.ParentRITE.NumOfSampleBldgs);
loss[0] = DamageRatio.Item3.Zip(multiplyArr, (d1, d2) => d1 * d2).Sum();
//loss[0] = DamageRatio.Item2.ToArray().Sum();
success = true;
}
else
{
success = false;
error = "Error getting GU for RITE ID: " + RITChar.ID + ". GU losses specified not matching for NumBldgs...";
}
}
else
{
success = false;
error = "Error getting GU for RITE ID: " + RITChar.ID + ". Cannot find RITE ID in GU Input Loss dictionary";
}
}
else
{
success = false;
error = "Error getting GU for RITE ID: " + RITChar.ID + ". Cannot find Sample 0 in GU Input Loss dictionary, currenlty hard-coded to take sample id = 0";
}
}
return(success);
}
public Dictionary <long, int> BuildNumOfSampleDictionary(RITCharacteristic AggRITChar, HashSet <long> DisAggRITCharIDs, int eventID, int TotalNumSamples)
{
Dictionary <long, int> NumSamples = new Dictionary <long, int>();
//Order RITCharIds
List <long> OrderedDisAggRITCharIDs = DisAggRITCharIDs.OrderBy(id => expData.DisaggRitCharToDisAggRIT[id]).ToList();
//List<long> OrderedDisAggRITIDs = DisAggRITCharIDs.Select(id => expData.DisaggRitCharToDisAggRIT[id]).OrderBy(id => id).ToList();
int NumPartitions = DisAggRITCharIDs.Count - 1;
Dictionary <long, int> SamplePartitions = new Dictionary <long, int>();
int[] samples = new int[NumPartitions];
long AggLocID = AggRITChar.ParentRITE.ExposureID;
int currSeed = ((int)AggLocID * eventID) % Int32.MaxValue;
var RandGen = new Random(currSeed);
for (int i = 0; i < NumPartitions; i++)
{
samples[i] = RandGen.Next(TotalNumSamples + 1);
}
samples = samples.OrderBy(sample => sample).ToArray();
for (int i = 0; i < NumPartitions; i++)
{
long DisAggRITCharID = OrderedDisAggRITCharIDs[i];
SamplePartitions.Add(DisAggRITCharID, samples[i]);
}
long LastDisAggRITCharID = OrderedDisAggRITCharIDs[NumPartitions];
SamplePartitions.Add(LastDisAggRITCharID, TotalNumSamples);
int lastPartition = 0;
foreach (long DisAggRITCharID in OrderedDisAggRITCharIDs)
{
int CurrentPartition = SamplePartitions[DisAggRITCharID];
int CurrentNumOfSamples = CurrentPartition - lastPartition;
NumSamples.Add(DisAggRITCharID, CurrentNumOfSamples);
lastPartition = CurrentPartition;
}
int DebugToatlNumSamples = NumSamples.Select(pair => pair.Value).Sum();
return(NumSamples);
}
public void GetGUForCoverageRITE(CoverageAtomicRITE aRITE)
{
double[] GULossArray;
uint timestamp;
string error;
RITCharacteristic RIT = aRITE.RITE.RiskCharacteristics.Where(RITChar => RITChar.ID == aRITE.RITCharacterisiticID).FirstOrDefault();
if (GetRITCharacteristicLoss(RIT, aRITE.SubPeril, out GULossArray, out timestamp, out error, aRITE.RITE.ActNumOfBldgs))
{
aRITE.SetSubjectLoss(new LossTimeSeries(timestamp, GULossArray));
}
else
{
throw new GUInputEngineException(error);
}
}
public void GetGUForCoverageRITE(CoverageAtomicRITE aRITE)
{
double[] GULossArray;
uint timestamp;
string error;
RITCharacteristic RIT = aRITE.RITE.RiskCharacteristics.Where(RITChar => RITChar.ID == aRITE.RITCharacterisiticID).FirstOrDefault();
if (GetRITCharacteristicLoss(RIT, aRITE.SubPeril, out GULossArray, out timestamp, out error, aRITE.RITE.ActNumOfSampleBldgs))
{
DateTime ActualTimeStamp = new DateTime(ContractYear, 1, 1);
ActualTimeStamp = ActualTimeStamp.AddDays((double)timestamp - 1);
aRITE.SetSubjectLoss(new LossTimeSeries(ActualTimeStamp, GULossArray));
}
else
{
throw new GUInputEngineException(error);
}
}
public void AddCharacteristic(RITCharacteristic Char)
{
RiskCharacteristics.Add(Char);
Char.ParentRITE = this;
}
public void GetPrimaryData()
{
if (TreatyExposure)
{
throw new InvalidOperationException("Cannot use this method to get exposure data for reinsurance contract");
}
EDSDataExtract.ExtractRiteMap();
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
var LocationGroups = EDSDataExtract.CoverageIdAttrMap.GroupBy(pair => pair.Value.RITExposureId);
foreach (var LocGroup in LocationGroups)
{
RITE newRITE = BuildRITE(LocGroup.First());
_rites.Add(newRITE);
_ritesDict.Add(LocGroup.Key, newRITE);
foreach (KeyValuePair <long, RiskItemCharacteristicIDAttributes> pair in LocGroup)
{
RITCharacteristic newRITChar = BuildRITCharacteristic(pair);
_characteristics.Add(newRITChar);
_characteristicsDict.Add(pair.Key, newRITChar);
newRITE.AddCharacteristic(newRITChar);
}
}
foreach (KeyValuePair <string, Subschedule> EDSschedule in EDSDataExtract.SubSchedule)
{
ScheduleOfRITEs newSchedule;
HashSet <long> Ids = (EDSschedule.Value.Ids != null) ? EDSschedule.Value.Ids : new HashSet <long>(EDSschedule.Value.CompressedIds.Enumerable());
if (EDSschedule.Value.Type == SubscheduleType.RITCHARACTERISTICS)
{
newSchedule = BuildScheduleFromRITChars2(EDSschedule.Key, Ids);
}
else if (EDSschedule.Value.Type == SubscheduleType.RITEXPOSURES)
{
newSchedule = BuildScheduleFromRITs2(EDSschedule.Key, Ids);
}
else
{
throw new InvalidOperationException("Cannot support building schedules of type: " + EDSschedule.Value.Type.ToString());
}
_schedules.Add(newSchedule);
_schedulesDict.Add(newSchedule.Name, newSchedule);
}
stopwatch.Stop();
////////////////////////OLD OLD OLD Version//////////////////////////////////
//_schedules.Clear();
//_rites.Clear();
//_characteristics.Clear();
//stopwatch.Reset();
//stopwatch.Start();
//foreach (KeyValuePair<long, RiskItemCharacteristicIDAttributes> RiteAttribute in EDSDataExtract.RiskItemCharacteristicIDAttributeMap)
//{
// RITCharacteristic newRITChar = BuildRITCharacteristic(RiteAttribute);
// _characteristics.Add(newRITChar);
// RITE parentRITE = _rites.Where(rite => rite.ExposureID == RiteAttribute.Value.RITExposureId).FirstOrDefault();
// if (parentRITE != null)
// {
// parentRITE.AddCharacteristic(newRITChar);
// }
// else
// {
// RITE newRITE = BuildRITE(RiteAttribute);
// _rites.Add(newRITE);
// newRITE.AddCharacteristic(newRITChar);
// }
//}
//foreach (KeyValuePair<string, Subschedule> EDSschedule in EDSDataExtract.SubSchedule)
//{
// ScheduleOfRITEs newSchedule;
// HashSet<long> Ids = (EDSschedule.Value.Ids != null) ? EDSschedule.Value.Ids : new HashSet<long>(EDSschedule.Value.CompressedIds.Enumerable());
// if (EDSschedule.Value.Type == SubscheduleType.RITCHARACTERISTICS)
// newSchedule = BuildScheduleFromRITChars(EDSschedule.Key, Ids);
// else if (EDSschedule.Value.Type == SubscheduleType.RITEXPOSURES)
// newSchedule = BuildScheduleFromRITs(EDSschedule.Key, Ids);
// else
// throw new InvalidOperationException("Cannot support building schedules of type: " + EDSschedule.Value.Type.ToString());
// _schedules.Add(newSchedule);
//}
//stopwatch.Stop();
}
public void AddCharacteristic(RITCharacteristic Item)
{
RITChars.Add(Item);
}
//public ExposureDataAdaptor(ContractExposure contractExposure, NGFMPrototype _ParsingAPI)
//{
// //ParsingAPI = _ParsingAPI;
// UseJSContext = false;
// _contractExposure = contractExposure;
// _contractJSON = GetJSONForContract();
// EDSDataExtract = new ExposureDataExtractor(_contractExposure);
// _characteristics = new HashSet<RITCharacteristic>();
// _rites = new HashSet<RITE>();
// _schedules = new HashSet<ScheduleOfRITEs>();
// _characteristicsDict = new Dictionary<long, RITCharacteristic>();
// _ritesDict = new Dictionary<long, RITE>();
// _schedulesDict = new Dictionary<string, ScheduleOfRITEs>();
// if (_contractExposure.ContractType.IsReinsuranceContract())
// TreatyExposure = true;
// else
// TreatyExposure = false;
//}
public void GetPrimaryData()
{
if (TreatyExposure)
{
throw new InvalidOperationException("Cannot use this method to get exposure data for reinsurance contract");
}
EDSDataExtract.ExtractRiteMap();
Dictionary <long, ExtractRITCharInfo> CoverageIdAttrMap = EDSDataExtract.CoverageIdAttrMap;
if (UseAggregatedRITEs)
{
CoverageIdAttrMap = AggregateRITChars(CoverageIdAttrMap);
}
else
{
foreach (KeyValuePair <long, ExtractRITCharInfo> pair in CoverageIdAttrMap)
{
RiskCharIDtoAggregateID.Add(pair.Key, pair.Key);
AggregateIDtoDisaggIDs.Add(pair.Key, new HashSet <long> {
pair.Key
});
}
}
#region old RITE aggreagation code
//foreach (var LocGroup in LocationGroups)
//{
// if (UseAggregatedRITEs)
// {
// long RiteID = LocGroup.First().Value.RITExposureId;
// long OriginalRiteID = (long)LocGroup.First().Value.OriginalRITExposureId;
// if (RiteID == OriginalRiteID)
// {
// RITE newRITE = BuildRITE(LocGroup.First());
// _rites.Add(newRITE);
// _ritesDict.Add(LocGroup.Key, newRITE);
// foreach (KeyValuePair<long, ExtractRITCharInfo> pair in LocGroup)
// {
// RITCharacteristic newRITChar = BuildRITCharacteristic(pair);
// _characteristics.Add(newRITChar);
// _characteristicsDict.Add(pair.Key, newRITChar);
// newRITE.AddCharacteristic(newRITChar);
// }
// }
// else
// {
// foreach (KeyValuePair<long, ExtractRITCharInfo> pair in LocGroup)
// {
// RiskCharIDtoAggregateID.Add(pair.Key, (long)pair.Value.OriginalRITECharacteristicId);
// }
// }
// }
// else
// {
// RITE newRITE = BuildRITE(LocGroup.First());
// _rites.Add(newRITE);
// _ritesDict.Add(LocGroup.Key, newRITE);
// foreach (KeyValuePair<long, ExtractRITCharInfo> pair in LocGroup)
// {
// RITCharacteristic newRITChar = BuildRITCharacteristic(pair);
// _characteristics.Add(newRITChar);
// _characteristicsDict.Add(pair.Key, newRITChar);
// newRITE.AddCharacteristic(newRITChar);
// }
// }
//}
#endregion
var LocationGroups = CoverageIdAttrMap.GroupBy(pair => pair.Value.RITExposureId);
foreach (var LocGroup in LocationGroups)
{
RITE newRITE = BuildRITE(LocGroup.First());
_rites.Add(newRITE);
_ritesDict.Add(LocGroup.Key, newRITE);
foreach (KeyValuePair <long, ExtractRITCharInfo> pair in LocGroup)
{
RITCharacteristic newRITChar = BuildRITCharacteristic(pair);
_characteristics.Add(newRITChar);
_characteristicsDict.Add(pair.Key, newRITChar);
newRITE.AddCharacteristic(newRITChar);
}
}
foreach (KeyValuePair <string, Subschedule> EDSschedule in EDSDataExtract.SubSchedule)
{
ScheduleOfRITEs newSchedule;
HashSet <long> Ids = (EDSschedule.Value.Ids != null) ? EDSschedule.Value.Ids : new HashSet <long>(EDSschedule.Value.CompressedIds.Enumerable());
if (EDSschedule.Value.Type == SubscheduleType.RITCHARACTERISTICS) //|| EDSschedule.Value.Name == "Blanket_FL" || EDSschedule.Value.Name == "Blanket_EQ" || EDSschedule.Value.Name == "Blanket_WS") //Sunny Hack
{
newSchedule = BuildScheduleFromRITChars2(EDSschedule.Key, Ids);
}
else if (EDSschedule.Value.Type == SubscheduleType.RITEXPOSURES)
{
try { newSchedule = BuildScheduleFromRITs2(EDSschedule.Key, Ids); }
catch (IndexOutOfRangeException exp)
{
newSchedule = BuildScheduleFromRITChars2(EDSschedule.Key, Ids);
}
}
else
{
throw new InvalidOperationException("Cannot support building schedules of type: " + EDSschedule.Value.Type.ToString());
}
_schedules.Add(newSchedule);
_schedulesDict.Add(newSchedule.Name, newSchedule);
}
}
