/**
* Generate the cache validity object.
*
* <p>The validity object will include the collection being viewed and all recently submitted
* items. This does not include the community / collection hierarch, when this changes they will
* not be reflected in the cache.
*/
public SourceValidity getValidity() {
if (this.validity == null) {
try {
DSpaceValidity validity = new DSpaceValidity();
DSpaceObject dso = HandleUtil.obtainHandle(objectModel);
if (dso != null) {
// Add the actual collection;
validity.add(dso);
}
// add recently submitted items, serialize solr query contents.
DiscoverResult response = getQueryResponse(dso);
validity.add("numFound:" + response.getDspaceObjects().size());
for (DSpaceObject resultDso : response.getDspaceObjects()) {
validity.add(resultDso);
}
for (String facetField : response.getFacetResults().keySet()) {
validity.add(facetField);
List<DiscoverResult.FacetResult> facetValues = response.getFacetResults().get(facetField);
for (DiscoverResult.FacetResult facetValue : facetValues) {
validity.add(facetValue.getAsFilterQuery() + facetValue.getCount());
}
}
this.validity = validity.complete();
} catch (Exception e) {
// Just ignore all errors and return an invalid cache.
}
// TODO: dependent on tags as well :)
}
return this.validity;
}
