/**
* Get count of available observation for this time series
*
* @param series Time series
* @param request GetDataAvailability request
* @param session Hibernate session
* @return Count of available observations
*/
private Long getCountFor(Series series, GetDataAvailabilityRequest request, Session session) {
Criteria criteria =
session
.createCriteria(SeriesObservationInfo.class)
.add(Restrictions.eq(AbstractObservation.DELETED, false));
criteria.add(Restrictions.eq(SeriesObservationInfo.SERIES, series));
if (request.isSetOfferings()) {
criteria
.createCriteria(SeriesObservationTime.OFFERINGS)
.add(Restrictions.in(Offering.IDENTIFIER, request.getOfferings()));
}
criteria.setProjection(Projections.rowCount());
return (Long) criteria.uniqueResult();
}
/**
* Get time information from SeriesGetDataAvailability mapping
*
* @param seriesGetDataAvailabilityDAO Series GetDataAvailability DAO class
* @param series Series to get information for
* @param request
* @param seriesMinMaxTransformer Hibernate result transformator for min/max time value
* @param session Hibernate Session
* @return Time period
*/
private TimePeriod getTimePeriodFromSeriesGetDataAvailability(
SeriesObservationTimeDAO seriesGetDataAvailabilityDAO,
Series series,
GetDataAvailabilityRequest request,
SeriesMinMaxTransformer seriesMinMaxTransformer,
Session session) {
Criteria criteria =
seriesGetDataAvailabilityDAO.getMinMaxTimeCriteriaForSeriesGetDataAvailabilityDAO(
series, request.getOfferings(), session);
criteria.setResultTransformer(seriesMinMaxTransformer);
LOGGER.debug(
"QUERY getTimePeriodFromSeriesObservation(series): {}",
HibernateHelper.getSqlString(criteria));
return (TimePeriod) criteria.uniqueResult();
}
/**
* Get the result times for the timeseries
*
* @param seriesObservationDAO DAO
* @param series time series
* @param request GetDataAvailability request
* @param session Hibernate session
* @return List of result times
* @throws OwsExceptionReport if the requested temporal filter is not supported
*/
private List<TimeInstant> getResultTimesFromSeriesObservation(
AbstractSeriesObservationDAO seriesObservationDAO,
Series series,
GetDataAvailabilityRequest request,
Session session)
throws OwsExceptionReport {
Criterion filter = null;
if (hasPhenomenonTimeFilter(request.getExtensions())) {
filter = TemporalRestrictions.filter(getPhenomenonTimeFilter(request.getExtensions()));
}
List<Date> dateTimes =
seriesObservationDAO.getResultTimesForSeriesObservation(
series, request.getOfferings(), filter, session);
List<TimeInstant> resultTimes = Lists.newArrayList();
for (Date date : dateTimes) {
resultTimes.add(new TimeInstant(date));
}
return resultTimes;
}
