/**
* Returns the x-value for a time period.
*
* @param period the time period.
* @return The x-value.
*/
private long getX(TimePeriod period) {
if (this.xPosition == TimePeriodAnchor.START) {
return period.getStart().getTime();
} else if (this.xPosition == TimePeriodAnchor.MIDDLE) {
return period.getStart().getTime() / 2 + period.getEnd().getTime() / 2;
} else if (this.xPosition == TimePeriodAnchor.END) {
return period.getEnd().getTime();
} else {
throw new IllegalStateException("TimePeriodAnchor unknown.");
}
}
/**
* Returns the x-value for a time period.
*
* @param period the time period.
* @return The x-value.
*/
private long getXValue(TimePeriod period) {
long result = 0L;
if (this.xPosition == TimePeriodAnchor.START) {
result = period.getStart().getTime();
} else if (this.xPosition == TimePeriodAnchor.MIDDLE) {
long t0 = period.getStart().getTime();
long t1 = period.getEnd().getTime();
result = t0 + (t1 - t0) / 2L;
} else if (this.xPosition == TimePeriodAnchor.END) {
result = period.getEnd().getTime();
}
return result;
}
/**
* Returns the range of the values in this dataset's domain.
*
* @param includeInterval a flag that controls whether or not the x-intervals are taken into
* account.
* @return The range.
*/
public Range getDomainBounds(boolean includeInterval) {
List keys = this.values.getRowKeys();
if (keys.isEmpty()) {
return null;
}
TimePeriod first = (TimePeriod) keys.get(0);
TimePeriod last = (TimePeriod) keys.get(keys.size() - 1);
if (!includeInterval || this.domainIsPointsInTime) {
return new Range(getXValue(first), getXValue(last));
} else {
return new Range(first.getStart().getTime(), last.getEnd().getTime());
}
}
/**
* Returns the range of the values in this dataset's domain.
*
* @param includeInterval a flag that determines whether or not the x-interval is taken into
* account.
* @return The range.
*/
@Override
public Range getDomainBounds(boolean includeInterval) {
boolean interval = includeInterval || this.domainIsPointsInTime;
Range result = null;
Range temp = null;
Iterator iterator = this.data.iterator();
while (iterator.hasNext()) {
TimePeriodValues series = (TimePeriodValues) iterator.next();
int count = series.getItemCount();
if (count > 0) {
TimePeriod start = series.getTimePeriod(series.getMinStartIndex());
TimePeriod end = series.getTimePeriod(series.getMaxEndIndex());
if (!interval) {
if (this.xPosition == TimePeriodAnchor.START) {
TimePeriod maxStart = series.getTimePeriod(series.getMaxStartIndex());
temp = new Range(start.getStart().getTime(), maxStart.getStart().getTime());
} else if (this.xPosition == TimePeriodAnchor.MIDDLE) {
TimePeriod minMiddle = series.getTimePeriod(series.getMinMiddleIndex());
long s1 = minMiddle.getStart().getTime();
long e1 = minMiddle.getEnd().getTime();
TimePeriod maxMiddle = series.getTimePeriod(series.getMaxMiddleIndex());
long s2 = maxMiddle.getStart().getTime();
long e2 = maxMiddle.getEnd().getTime();
temp = new Range(s1 + (e1 - s1) / 2, s2 + (e2 - s2) / 2);
} else if (this.xPosition == TimePeriodAnchor.END) {
TimePeriod minEnd = series.getTimePeriod(series.getMinEndIndex());
temp = new Range(minEnd.getEnd().getTime(), end.getEnd().getTime());
}
} else {
temp = new Range(start.getStart().getTime(), end.getEnd().getTime());
}
result = Range.combine(result, temp);
}
}
return result;
}
/**
* Returns the end x-value (as a double primitive) for an item within a series.
*
* @param series the series index (zero-based).
* @param item the item index (zero-based).
* @return The value.
*/
public double getEndXValue(int series, int item) {
TimePeriod period = (TimePeriod) this.values.getRowKey(item);
return period.getEnd().getTime();
}
/**
* Update the index values for the maximum and minimum bounds.
*
* @param period the time period.
* @param index the index of the time period.
*/
private void updateBounds(TimePeriod period, int index) {
long start = period.getStart().getTime();
long end = period.getEnd().getTime();
long middle = start + ((end - start) / 2);
if (this.minStartIndex >= 0) {
long minStart = getDataItem(this.minStartIndex).getPeriod().getStart().getTime();
if (start < minStart) {
this.minStartIndex = index;
}
} else {
this.minStartIndex = index;
}
if (this.maxStartIndex >= 0) {
long maxStart = getDataItem(this.maxStartIndex).getPeriod().getStart().getTime();
if (start > maxStart) {
this.maxStartIndex = index;
}
} else {
this.maxStartIndex = index;
}
if (this.minMiddleIndex >= 0) {
long s = getDataItem(this.minMiddleIndex).getPeriod().getStart().getTime();
long e = getDataItem(this.minMiddleIndex).getPeriod().getEnd().getTime();
long minMiddle = s + (e - s) / 2;
if (middle < minMiddle) {
this.minMiddleIndex = index;
}
} else {
this.minMiddleIndex = index;
}
if (this.maxMiddleIndex >= 0) {
long s = getDataItem(this.maxMiddleIndex).getPeriod().getStart().getTime();
long e = getDataItem(this.maxMiddleIndex).getPeriod().getEnd().getTime();
long maxMiddle = s + (e - s) / 2;
if (middle > maxMiddle) {
this.maxMiddleIndex = index;
}
} else {
this.maxMiddleIndex = index;
}
if (this.minEndIndex >= 0) {
long minEnd = getDataItem(this.minEndIndex).getPeriod().getEnd().getTime();
if (end < minEnd) {
this.minEndIndex = index;
}
} else {
this.minEndIndex = index;
}
if (this.maxEndIndex >= 0) {
long maxEnd = getDataItem(this.maxEndIndex).getPeriod().getEnd().getTime();
if (end > maxEnd) {
this.maxEndIndex = index;
}
} else {
this.maxEndIndex = index;
}
}
