/**
* GetDataAvailability processing is series mapping is supported.
*
* @param request GetDataAvailability request
* @param session Hibernate session
* @return List of valid data availability information
* @throws OwsExceptionReport If an error occurs
*/
private List<?> querySeriesDataAvailabilities(GetDataAvailabilityRequest request, Session session)
throws OwsExceptionReport {
List<DataAvailability> dataAvailabilityValues = Lists.newLinkedList();
Map<String, ReferenceType> procedures = new HashMap<String, ReferenceType>();
Map<String, ReferenceType> observableProperties = new HashMap<String, ReferenceType>();
Map<String, ReferenceType> featuresOfInterest = new HashMap<String, ReferenceType>();
AbstractSeriesObservationDAO seriesObservationDAO = getSeriesObservationDAO();
SeriesMinMaxTransformer seriesMinMaxTransformer = new SeriesMinMaxTransformer();
boolean supportsNamedQuery =
HibernateHelper.isNamedQuerySupported(SQL_QUERY_GET_DATA_AVAILABILITY_FOR_SERIES, session);
for (final Series series :
DaoFactory.getInstance()
.getSeriesDAO()
.getSeries(
request.getProcedures(),
request.getObservedProperties(),
request.getFeaturesOfInterest(),
session)) {
TimePeriod timePeriod = null;
if (!request.isSetOfferings()) {
// get time information from series object
if (series.isSetFirstLastTime()) {
timePeriod = new TimePeriod(series.getFirstTimeStamp(), series.getLastTimeStamp());
}
// get time information from a named query
else if (timePeriod == null && supportsNamedQuery) {
timePeriod =
getTimePeriodFromNamedQuery(series.getSeriesId(), seriesMinMaxTransformer, session);
}
}
// get time information from SeriesGetDataAvailability mapping if
// supported
if (timePeriod == null) {
SeriesObservationTimeDAO seriesObservationTimeDAO =
(SeriesObservationTimeDAO) DaoFactory.getInstance().getObservationTimeDAO();
timePeriod =
getTimePeriodFromSeriesGetDataAvailability(
seriesObservationTimeDAO, series, request, seriesMinMaxTransformer, session);
}
// create DataAvailabilities
if (timePeriod != null && !timePeriod.isEmpty()) {
DataAvailability dataAvailability =
new DataAvailability(
getProcedureReference(series, procedures),
getObservedPropertyReference(series, observableProperties),
getFeatureOfInterestReference(series, featuresOfInterest, session),
timePeriod);
if (isShowCount(request)) {
dataAvailability.setCount(getCountFor(series, request, session));
}
if (isIncludeResultTime(request)) {
dataAvailability.setResultTimes(
getResultTimesFromSeriesObservation(seriesObservationDAO, series, request, session));
}
dataAvailabilityValues.add(dataAvailability);
}
}
return dataAvailabilityValues;
}
/**
* 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();
}
