private void intervalSave(PointValueTime pvt) {
synchronized (intervalLoggingLock) {
if (vo.getIntervalLoggingType() == DataPointVO.IntervalLoggingTypes.MAXIMUM) {
if (intervalValue == null) intervalValue = pvt;
else if (pvt != null) {
if (intervalValue.getDoubleValue() < pvt.getDoubleValue()) intervalValue = pvt;
}
} else if (vo.getIntervalLoggingType() == DataPointVO.IntervalLoggingTypes.MINIMUM) {
if (intervalValue == null) intervalValue = pvt;
else if (pvt != null) {
if (intervalValue.getDoubleValue() > pvt.getDoubleValue()) intervalValue = pvt;
}
} else if (vo.getIntervalLoggingType() == DataPointVO.IntervalLoggingTypes.AVERAGE) {
// Using the averaging values, ensure we keep the most recent values and pop off the old
// ones
if (vo.isOverrideIntervalLoggingSamples()) {
while (averagingValues.size() >= vo.getIntervalLoggingSampleWindowSize()) {
averagingValues.remove(0); // Size -1 for the next item we are going to add
}
}
averagingValues.add(pvt);
}
}
}
@Override
public void scheduleTimeout(long fireTime) {
synchronized (intervalLoggingLock) {
DataValue value;
if (vo.getIntervalLoggingType() == DataPointVO.IntervalLoggingTypes.INSTANT)
value = PointValueTime.getValue(pointValue);
else if (vo.getIntervalLoggingType() == DataPointVO.IntervalLoggingTypes.MAXIMUM
|| vo.getIntervalLoggingType() == DataPointVO.IntervalLoggingTypes.MINIMUM) {
value = PointValueTime.getValue(intervalValue);
intervalValue = pointValue;
} else if (vo.getIntervalLoggingType() == DataPointVO.IntervalLoggingTypes.AVERAGE) {
// We won't allow logging values until we have a full average window
// If we don't have enough averaging values then we will bail and wait for more
if (vo.isOverrideIntervalLoggingSamples()
&& (averagingValues.size() != vo.getIntervalLoggingSampleWindowSize())) return;
IValueTime endValue = intervalValue;
if (!averagingValues.isEmpty()) endValue = averagingValues.get(averagingValues.size() - 1);
AnalogStatistics stats =
new AnalogStatistics(
intervalStartTime, fireTime, intervalValue, averagingValues, endValue);
if (stats.getAverage() == null) value = null;
else value = new NumericValue(stats.getAverage());
// Compute the center point of our average data, starting by finding where our period
// started
long sampleWindowStartTime;
if (vo.isOverrideIntervalLoggingSamples())
sampleWindowStartTime = averagingValues.get(0).getTime();
else sampleWindowStartTime = intervalStartTime;
intervalStartTime = fireTime;
fireTime =
sampleWindowStartTime
+ (fireTime - sampleWindowStartTime)
/ 2L; // Fix to simulate center tapped filter (un-shift the average)
intervalValue = pointValue;
if (!vo.isOverrideIntervalLoggingSamples()) averagingValues.clear();
} else
throw new ShouldNeverHappenException(
"Unknown interval logging type: " + vo.getIntervalLoggingType());
if (value != null) valueCache.logPointValueAsync(new PointValueTime(value, fireTime), null);
}
}