Example #1
0
        /// <summary>
        /// Gets a dates schedule.
        /// </summary>
        /// <param name="metaScheduleDefinitionRange">This must have 3 columns: interval, interval, rollconventionenum.</param>
        /// <param name="startDate">The start date of the schedule to be generated.</param>
        /// <param name="calendar">The relevant calendar.</param>
        /// <param name="businessDayAdjustment">The business day adjustments.</param>
        /// <returns>A vertical arrray of dates.</returns>
        public object[,] GetMetaDatesSchedule(Excel.Range metaScheduleDefinitionRange,
                                              DateTime startDate,
                                              string calendar,
                                              string businessDayAdjustment)
        {
            var values = metaScheduleDefinitionRange.Value[System.Reflection.Missing.Value] as object[, ];
            List <ThreeStringsRangeItem> metaScheduleDefinition = ObjectToArrayOfPropertiesConverter.CreateListFromHorizontalArrayRange <ThreeStringsRangeItem>(values);
            BusinessCenters   centers          = BusinessCentersHelper.Parse(calendar);
            IBusinessCalendar businessCalendar = Engine.ToBusinessCalendar(centers);
            var metaSchedule = AdjustedDatesMetaSchedule.GetMetaDatesSchedule(metaScheduleDefinition, startDate, businessCalendar, calendar, businessDayAdjustment);
            var result       = RangeHelper.ConvertArrayToRange(metaSchedule);

            return(result);
        }
        ///<summary>
        ///</summary>
        ///<param name="termsRange"></param>
        ///<param name="metaScheduleDefinitionRange"></param>
        ///<param name="paymentCalendar"></param>
        ///<returns></returns>
        public static List <AmortisingResultItem> GenerateCashflowSchedule(BillsSwapPricer2TermsRange termsRange,
                                                                           List <MetaScheduleRangeItem> metaScheduleDefinitionRange, IBusinessCalendar paymentCalendar)
        {
            RollConventionEnum     rollConventionEnum     = RollConventionEnumHelper.Parse(termsRange.RollDay);
            BusinessDayAdjustments businessDayAdjustments = BusinessDayAdjustmentsHelper.Create(termsRange.DateRollConvention, termsRange.Calendar);
            bool            backwardGeneration            = (termsRange.BuildDates.ToLower() == "backward");
            List <DateTime> adjustedDatesResult;
            List <DateTime> unadjustedDatesResult;

            if (termsRange.RollFrequency.ToLower().Contains("custom"))
            {
                var rollsMetaSchedule = metaScheduleDefinitionRange.Select(item => new MetaScheduleItem
                {
                    RollFrequency = PeriodHelper.Parse(item.RollFrequency), Period = PeriodHelper.Parse(item.Period), RollConvention = RollConventionEnumHelper.Parse(item.RollConvention)
                }).ToList();
                unadjustedDatesResult = DatesMetaSchedule.GetUnadjustedDates3(termsRange.StartDate, termsRange.EndDate,
                                                                              rollsMetaSchedule, backwardGeneration);
                adjustedDatesResult = AdjustedDatesMetaSchedule.GetAdjustedDates3(termsRange.StartDate, termsRange.EndDate,
                                                                                  rollsMetaSchedule, backwardGeneration, businessDayAdjustments, paymentCalendar);
            }
            else
            {
                Period interval = PeriodHelper.Parse(termsRange.RollFrequency);
                unadjustedDatesResult = DatesMetaSchedule.GetUnadjustedDates2(termsRange.StartDate, termsRange.EndDate,
                                                                              interval, rollConventionEnum, backwardGeneration);
                adjustedDatesResult = AdjustedDatesMetaSchedule.GetAdjustedDates2(termsRange.StartDate, termsRange.EndDate,
                                                                                  interval, rollConventionEnum, backwardGeneration, businessDayAdjustments, paymentCalendar);
            }
            var result = new List <AmortisingResultItem>();

            for (int i = 0; i < adjustedDatesResult.Count; i++)
            {
                DateTime adjustedTime         = adjustedDatesResult[i];
                DateTime unadjustedTime       = unadjustedDatesResult[i];
                var      amortisingResultItem = new AmortisingResultItem
                {
                    WasRolled        = (adjustedTime == unadjustedTime) ? "No" : "Yes",
                    RollDate         = adjustedTime,
                    AmortisingAmount = 0,
                    OutstandingValue = termsRange.FaceValue
                };
                result.Add(amortisingResultItem);
            }
            return(result);
        }