/**
* See Interface for functional description.
*
* @param parameters filter as CQL query
* @return Returns the XML representation of the resource-list.
* @throws InvalidSearchQueryException thrown if the given search query could not be translated
* into a SQL query
* @throws SystemException e.
* @see de.escidoc.core.sm.business.interfaces .AggregationDefinitionHandlerInterface
* #retrieveAggregationDefinitions(java.util.Map)
*/
@Override
public String retrieveAggregationDefinitions(final Map<String, String[]> parameters)
throws InvalidSearchQueryException, SystemException {
final String result;
final SRURequestParameters params = new DbRequestParameters(parameters);
final String query = params.getQuery();
final int limit = params.getMaximumRecords();
final int offset = params.getStartRecord();
if (params.isExplain()) {
final Map<String, Object> values = new HashMap<String, Object>();
values.put("PROPERTY_NAMES", new AggregationDefinitionFilter(null).getPropertyNames());
result = ExplainXmlProvider.getInstance().getExplainAggregationDefinitionXml(values);
} else if (limit == 0) {
result =
renderer.renderAggregationDefinitions(
new ArrayList<AggregationDefinition>(0), params.getRecordPacking());
} else {
// get all scope ids from database
final List<String> scopeIds = scopesDao.retrieveScopeIds();
Collection<String> filteredScopeIds = null;
if (scopeIds != null && !scopeIds.isEmpty()) {
// get scope-ids filtered by user-privileges
filteredScopeIds =
filterUtility.filterRetrievePrivilege(Constants.SCOPE_OBJECT_TYPE, scopeIds);
}
Collection<AggregationDefinition> aggregationDefinitions = null;
if (filteredScopeIds != null && !filteredScopeIds.isEmpty()) {
// get aggregation-definitions as XML
aggregationDefinitions =
dao.retrieveAggregationDefinitions(filteredScopeIds, query, offset, limit);
}
result =
renderer.renderAggregationDefinitions(aggregationDefinitions, params.getRecordPacking());
}
return result;
}
