protected ExactEstimate getTodaysStartValueWithScoping(
IterationHistoryEntry yesterdayEntry, IterationHistoryEntry todayEntry) {
long minorUnits = yesterdayEntry.getEffortLeftSum();
minorUnits += todayEntry.getDeltaOriginalEstimate();
return new ExactEstimate(minorUnits);
}
protected TimeSeriesDataItem getBurndownDataItemForDay(IterationHistoryEntry entry) {
TimeSeriesDataItem item =
new TimeSeriesDataItem(
new Second(
entry
.getTimestamp()
.toDateTimeAtCurrentTime()
.minusMinutes(timeDifferenceMinutes)
.toDateMidnight()
.plusDays(1)
.toDate()),
ExactEstimateUtils.extractMajorUnits(new ExactEstimate(entry.getEffortLeftSum())));
return item;
}
protected IterationHistoryEntry getHistoryEntryForDate(
List<IterationHistoryEntry> entries, LocalDate date) {
IterationHistoryEntry foundEntry = new IterationHistoryEntry();
for (IterationHistoryEntry entry : entries) {
if (entry.getTimestamp().equals(date)) {
return entry;
}
if (entry.getTimestamp().compareTo(date) > 0) {
break;
}
foundEntry = entry;
}
IterationHistoryEntry returnable = new IterationHistoryEntry();
returnable.setTimestamp(date.toDateMidnight().toLocalDate());
returnable.setEffortLeftSum(foundEntry.getEffortLeftSum());
returnable.setOriginalEstimateSum(foundEntry.getOriginalEstimateSum());
return returnable;
}
/** 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 Pair<TimeSeriesDataItem, TimeSeriesDataItem> getBurndownScopedDataItemForDay(
IterationHistoryEntry yesterdayEntry, IterationHistoryEntry todayEntry) {
DateTime timestamp =
todayEntry
.getTimestamp()
.toDateTimeAtCurrentTime()
.minusMinutes(timeDifferenceMinutes)
.toDateMidnight()
.toDateTime()
.plusSeconds(2);
Second period = new Second(timestamp.toDate());
long longValue = yesterdayEntry.getEffortLeftSum() + todayEntry.getDeltaOriginalEstimate();
ExactEstimate scopedValue = new ExactEstimate(longValue);
TimeSeriesDataItem nullItem =
new TimeSeriesDataItem(new Second(timestamp.minusSeconds(1).toDate()), null);
TimeSeriesDataItem scopedItem =
new TimeSeriesDataItem(period, ExactEstimateUtils.extractMajorUnits(scopedValue));
return Pair.create(nullItem, scopedItem);
}
/**
* Get the <code>TimeSeries</code> for drawing the current day line.
*
* @param timeDifferenceHours
*/
protected TimeSeries getCurrentDayTimeSeries(
IterationHistoryEntry yesterdayEntry, IterationHistoryEntry todayEntry) {
ExactEstimate startValue = this.getTodaysStartValueWithScoping(yesterdayEntry, todayEntry);
ExactEstimate endValue = new ExactEstimate(todayEntry.getEffortLeftSum());
return this.getSeriesByStartAndEndPoints(
CURRENT_DAY_SERIES_NAME,
todayEntry
.getTimestamp()
.toDateTimeAtCurrentTime()
.minusMinutes(timeDifferenceMinutes)
.toDateMidnight()
.toDateTime(),
startValue,
todayEntry
.getTimestamp()
.toDateTimeAtCurrentTime()
.minusMinutes(timeDifferenceMinutes)
.toDateMidnight()
.toDateTime()
.plusDays(1),
endValue);
}
protected List<TimeSeriesDataItem> getScopeSeriesDataItems(
IterationHistoryEntry yesterdayEntry, IterationHistoryEntry todayEntry) {
// Second item is places 2 seconds after the first
// Resulting in a almost vertical line in the graph
// Null value is added to break the line
Second firstItemPeriod =
new Second(
todayEntry
.getTimestamp()
.toDateTimeAtCurrentTime()
.minusMinutes(timeDifferenceMinutes)
.toDateMidnight()
.toDate());
Second secondItemPeriod =
new Second(
todayEntry
.getTimestamp()
.toDateTimeAtCurrentTime()
.minusMinutes(timeDifferenceMinutes)
.toDateMidnight()
.toDateTime()
.plusSeconds(2)
.toDate());
Second nullItemPeriod =
new Second(
todayEntry
.getTimestamp()
.toDateTimeAtCurrentTime()
.minusMinutes(timeDifferenceMinutes)
.toDateMidnight()
.toDateTime()
.plusSeconds(3)
.toDate());
ExactEstimate firstValue = new ExactEstimate(yesterdayEntry.getEffortLeftSum());
long secondValueAsLong =
yesterdayEntry.getEffortLeftSum() + todayEntry.getDeltaOriginalEstimate();
ExactEstimate secondValue = new ExactEstimate(secondValueAsLong);
TimeSeriesDataItem firstItem =
new TimeSeriesDataItem(firstItemPeriod, ExactEstimateUtils.extractMajorUnits(firstValue));
TimeSeriesDataItem secondItem =
new TimeSeriesDataItem(secondItemPeriod, ExactEstimateUtils.extractMajorUnits(secondValue));
TimeSeriesDataItem nullItem = new TimeSeriesDataItem(nullItemPeriod, null);
return Arrays.asList(firstItem, secondItem, nullItem);
}
protected boolean isScopingDone(IterationHistoryEntry entry) {
return (entry.getDeltaOriginalEstimate() != 0);
}