@Override
public AbstractProcess getDataSourceDescriptionAtTime(double time) {
Iterator<AbstractProcess> it =
descriptionTimeIndex.iterator(KEY_SML_START_ALL_TIME, new Key(time), Index.DESCENT_ORDER);
if (it.hasNext()) return it.next();
return null;
}
@Override
public AbstractProcess getLatestDataSourceDescription() {
Iterator<AbstractProcess> it =
descriptionTimeIndex.iterator(
KEY_SML_START_ALL_TIME, KEY_SML_END_ALL_TIME, Index.DESCENT_ORDER);
if (it.hasNext()) return it.next();
return null;
}
@Override
public void removeDataSourceDescription(double time) {
Iterator<AbstractProcess> it =
descriptionTimeIndex.iterator(KEY_SML_START_ALL_TIME, new Key(time), Index.DESCENT_ORDER);
if (it.hasNext()) {
AbstractProcess sml = it.next();
it.remove();
getStorage().deallocate(sml);
}
}
@Override
public void storeDataSourceDescription(AbstractProcess process) {
if (process.getNumValidTimes() > 0) {
// we add the description in index for each validity period/instant
for (AbstractTimeGeometricPrimitive validTime : process.getValidTimeList()) {
double time = Double.NaN;
if (validTime instanceof TimeInstant)
time = ((TimeInstant) validTime).getTimePosition().getDecimalValue();
else if (validTime instanceof TimePeriod)
time = ((TimePeriod) validTime).getBeginPosition().getDecimalValue();
if (!Double.isNaN(time)) {
AbstractProcess oldProcess = descriptionTimeIndex.set(new Key(time), process);
if (oldProcess != null) getStorage().deallocate(oldProcess);
}
}
} else {
// if no validity period is specified, we just add with current time
double time = System.currentTimeMillis() / 1000.;
descriptionTimeIndex.put(new Key(time), process);
}
}
@Override
public void removeDataSourceDescriptionHistory(double startTime, double endTime) {
Storage db = getStorage();
Iterator<AbstractProcess> it =
descriptionTimeIndex.iterator(new Key(startTime), new Key(endTime), Index.ASCENT_ORDER);
while (it.hasNext()) {
AbstractProcess sml = it.next();
// get end of validity of process description
double endValidity = Double.NaN;
AbstractTimeGeometricPrimitive validTime = sml.getValidTimeList().get(0);
if (validTime instanceof TimePeriod)
endValidity = ((TimePeriod) validTime).getEndPosition().getDecimalValue();
// check that end of validity is also within time range
// if end of validity is now, endValidity will be NaN
// if this is the last description returned, don't remove it if end of validity is now
if (endValidity <= endTime || (Double.isNaN(endValidity) && it.hasNext())) {
it.remove();
db.deallocate(sml);
}
}
}
@Override
public List<AbstractProcess> getDataSourceDescriptionHistory(double startTime, double endTime) {
List<AbstractProcess> processList =
descriptionTimeIndex.getList(new Key(startTime), new Key(endTime));
return Collections.unmodifiableList(processList);
}
