How to use

getFeaturesOfInterestForOffering

method

in

org.n52.sos.cache.SosContentCache

/**
 * Get FOIs contained in an offering
 *
 * @param offering Offering identifier
 *
 * @return FOI identifiers
 *
 *
 * @throws OwsExceptionReport * If an error occurs
 */
protected Set<String> getFOI4offering(final String offering) throws OwsExceptionReport {
  final Set<String> featureIDs = new HashSet<>(0);
  final Set<String> features = getCache().getFeaturesOfInterestForOffering(offering);
  if (!getProfileHandler().getActiveProfile().isListFeatureOfInterestsInOfferings() ||
    features == null) {
    featureIDs.add(OGCConstants.UNKNOWN);
  } else {
    featureIDs.addAll(features);
  }
  return featureIDs;
}

/**
 * Get featureOfInterests for procedure and version
 *
 * @return Collection with featureOfInterests
 *
 * @throws OwsExceptionReport If an error occurs
 */
private Collection<String> getFeatureOfInterestIDs()
    throws OwsExceptionReport {
  Set<String> features = Sets.newHashSet();
  // add cache map for proc/fois and get fois for proc
  for (String offering : getCache().getOfferingsForProcedure(getIdentifier())) {
    // don't include features for offerings which this procedure is a
    // hidden child of
    if (!getCache().getHiddenChildProceduresForOffering(offering).contains(getIdentifier())) {
      features.addAll(getCache().getFeaturesOfInterestForOffering(offering));
    }
  }
  return SosHelper.getFeatureIDs(features, getVersion());
}