protected TimeSeries getPredictedVelocityTimeSeries(
LocalDate iterationStart,
LocalDate iterationEnd,
IterationHistoryEntry yesterdayEntry,
IterationHistoryEntry todayEntry) {
LocalDate today = new LocalDate();
ExactEstimate startValue = getTodaysStartValueWithScoping(yesterdayEntry, todayEntry);
ExactEstimate velocity =
iterationBusiness.calculateDailyVelocity(iterationStart, yesterdayEntry);
LocalDate startDate = (iterationEnd.isBefore(today)) ? iterationEnd : today;
LocalDate endDate =
iterationHistoryEntryBusiness.calculateExpectedEffortDoneDate(
startDate, startValue, velocity);
if (endDate == null) return null;
endDate = endDate.plusDays(1);
if (startDate.isEqual(endDate)) return null;
return this.getSeriesByStartAndEndPoints(
EXPECTED_SERIES_NAME,
today
.toDateTimeAtCurrentTime()
.minusMinutes(timeDifferenceMinutes)
.toLocalDate()
.toDateTimeAtStartOfDay(),
startValue,
endDate
.toDateTimeAtCurrentTime()
.minusMinutes(timeDifferenceMinutes)
.toLocalDate()
.toDateTimeAtStartOfDay(),
ExactEstimate.ZERO);
}
/** Assembles all the needed <code>TimeSeries</code>. */
protected TimeSeriesCollection getDataset(Iteration iteration) {
TimeSeriesCollection chartDataset = new TimeSeriesCollection();
List<IterationHistoryEntry> iterationEntries =
iterationHistoryEntryBusiness.getHistoryEntriesForIteration(iteration);
LocalDate yesterday = new LocalDate().minusDays(1);
LocalDate today = new LocalDate();
IterationHistoryEntry yesterdayEntry = getHistoryEntryForDate(iterationEntries, yesterday);
IterationHistoryEntry todayEntry = getHistoryEntryForDate(iterationEntries, today);
DateTime iterationStartDate = new DateTime(iteration.getStartDate());
DateTime iterationEndDate = new DateTime(iteration.getEndDate());
chartDataset.addSeries(
getBurndownTimeSeries(
iterationEntries,
new LocalDate(iteration.getStartDate()),
determineEndDate(new LocalDate(iteration.getEndDate()))));
chartDataset.addSeries(getCurrentDayTimeSeries(yesterdayEntry, todayEntry));
chartDataset.addSeries(
getScopingTimeSeries(
iterationEntries, iterationStartDate.toLocalDate(), iterationEndDate.toLocalDate()));
chartDataset.addSeries(
getReferenceVelocityTimeSeries(
iterationStartDate,
iterationEndDate,
new ExactEstimate(todayEntry.getOriginalEstimateSum())));
TimeSeries predictedVelocity =
getPredictedVelocityTimeSeries(
iterationStartDate.toLocalDate(),
iterationEndDate.toLocalDate(),
yesterdayEntry,
todayEntry);
if (predictedVelocity != null) {
chartDataset.addSeries(predictedVelocity);
}
return chartDataset;
}
protected List<IterationHistoryEntry> getIterationHistoryEntries(Iteration iteration) {
return iterationHistoryEntryBusiness.getHistoryEntriesForIteration(iteration);
}