/**
* Check if result times should be added
*
* @param request GetDataAvailability request
* @return <code>true</code>, if result times should be added
*/
private boolean isIncludeResultTime(GetDataAvailabilityRequest request) {
if (request.isSetExtensions()) {
return request.getExtensions().isBooleanExtensionSet(INCLUDE_RESULT_TIMES)
|| hasPhenomenonTimeFilter(request.getExtensions());
}
return false;
}
/**
* 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();
}
/**
* 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;
}
private boolean checkForNamedQueries(GetDataAvailabilityRequest req, Session session) {
final boolean features = req.isSetFeaturesOfInterest();
final boolean observableProperties = req.isSetObservedProperties();
final boolean procedures = req.isSetProcedures();
// all
if (features && observableProperties && procedures) {
return HibernateHelper.isNamedQuerySupported(
SQL_QUERY_GET_DATA_AVAILABILITY_FOR_FEATURES_PROCEDURES_OBSERVED_PROPERTIES, session);
}
// observableProperties and procedures
else if (!features && observableProperties && procedures) {
return HibernateHelper.isNamedQuerySupported(
SQL_QUERY_GET_DATA_AVAILABILITY_FOR_PROCEDURES_OBSERVED_PROPERTIES, session);
}
// only observableProperties
else if (!features && observableProperties && !procedures) {
return HibernateHelper.isNamedQuerySupported(
SQL_QUERY_GET_DATA_AVAILABILITY_FOR_OBSERVED_PROPERTIES, session);
}
// only procedures
else if (!features && !observableProperties && procedures) {
return HibernateHelper.isNamedQuerySupported(
SQL_QUERY_GET_DATA_AVAILABILITY_FOR_PROCEDURES, session);
}
// features and observableProperties
else if (features && observableProperties && !procedures) {
return HibernateHelper.isNamedQuerySupported(
SQL_QUERY_GET_DATA_AVAILABILITY_FOR_FEATURES_OBSERVED_PROPERTIES, session);
}
// features and procedures
else if (features && !observableProperties && procedures) {
return HibernateHelper.isNamedQuerySupported(
SQL_QUERY_GET_DATA_AVAILABILITY_FOR_FEATURES_PROCEDURES, session);
}
// only features
else if (features && !observableProperties && procedures) {
return HibernateHelper.isNamedQuerySupported(
SQL_QUERY_GET_DATA_AVAILABILITY_FOR_FEATURES, session);
}
return false;
}
/**
* 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();
}
@Override
public GetDataAvailabilityResponse getDataAvailability(GetDataAvailabilityRequest req)
throws OwsExceptionReport {
Session session = sessionHolder.getSession();
try {
List<?> dataAvailabilityValues = queryDataAvailabilityValues(req, session);
GetDataAvailabilityResponse response = new GetDataAvailabilityResponse();
response.setService(req.getService());
response.setVersion(req.getVersion());
response.setNamespace(req.getNamespace());
for (Object o : dataAvailabilityValues) {
if (o != null) {
response.addDataAvailability((DataAvailability) o);
}
}
return response;
} catch (HibernateException he) {
throw new NoApplicableCodeException()
.causedBy(he)
.withMessage("Error while querying data for GetDataAvailability!");
} finally {
sessionHolder.returnSession(session);
}
}
/**
* Check if optional count should be added
*
* @param request GetDataAvailability request
* @return <code>true</code>, if optional count should be added
*/
private boolean isShowCount(GetDataAvailabilityRequest request) {
if (request.isSetExtensions()) {
return request.getExtensions().isBooleanExtensionSet(SHOW_COUNT);
}
return isForceValueCount();
}
private List<?> executeNamedQuery(GetDataAvailabilityRequest req, Session session) {
final boolean features = req.isSetFeaturesOfInterest();
final boolean observableProperties = req.isSetObservedProperties();
final boolean procedures = req.isSetProcedures();
String namedQueryName = null;
Map<String, Collection<String>> parameter = Maps.newHashMap();
// all
if (features && observableProperties && procedures) {
namedQueryName = SQL_QUERY_GET_DATA_AVAILABILITY_FOR_FEATURES_PROCEDURES_OBSERVED_PROPERTIES;
parameter.put(FEATURES, req.getFeaturesOfInterest());
parameter.put(OBSERVABLE_PROPERTIES, req.getObservedProperties());
parameter.put(PROCEDURES, req.getProcedures());
}
// observableProperties and procedures
else if (!features && observableProperties && procedures) {
namedQueryName = SQL_QUERY_GET_DATA_AVAILABILITY_FOR_PROCEDURES_OBSERVED_PROPERTIES;
parameter.put(OBSERVABLE_PROPERTIES, req.getObservedProperties());
parameter.put(PROCEDURES, req.getProcedures());
}
// only observableProperties
else if (!features && observableProperties && !procedures) {
namedQueryName = SQL_QUERY_GET_DATA_AVAILABILITY_FOR_OBSERVED_PROPERTIES;
parameter.put(OBSERVABLE_PROPERTIES, req.getObservedProperties());
}
// only procedures
else if (!features && !observableProperties && procedures) {
namedQueryName = SQL_QUERY_GET_DATA_AVAILABILITY_FOR_PROCEDURES;
parameter.put(PROCEDURES, req.getProcedures());
}
// features and observableProperties
else if (features && observableProperties && !procedures) {
namedQueryName = SQL_QUERY_GET_DATA_AVAILABILITY_FOR_FEATURES_OBSERVED_PROPERTIES;
parameter.put(FEATURES, req.getFeaturesOfInterest());
parameter.put(OBSERVABLE_PROPERTIES, req.getObservedProperties());
}
// features and procedures
else if (features && !observableProperties && procedures) {
namedQueryName = SQL_QUERY_GET_DATA_AVAILABILITY_FOR_FEATURES_PROCEDURES;
parameter.put(FEATURES, req.getFeaturesOfInterest());
parameter.put(PROCEDURES, req.getProcedures());
}
// only features
else if (features && !observableProperties && procedures) {
namedQueryName = SQL_QUERY_GET_DATA_AVAILABILITY_FOR_FEATURES;
parameter.put(FEATURES, req.getFeaturesOfInterest());
}
if (StringHelper.isNotEmpty(namedQueryName)) {
Query namedQuery = session.getNamedQuery(namedQueryName);
for (String key : parameter.keySet()) {
namedQuery.setParameterList(key, parameter.get(key));
}
LOGGER.debug(
"QUERY getProceduresForFeatureOfInterest(feature) with NamedQuery: {}", namedQuery);
namedQuery.setResultTransformer(new DataAvailabilityTransformer(session));
return namedQuery.list();
}
return Lists.newLinkedList();
}