/**
* See Interface for functional description.
*
* @param xmlData aggregationDefinition as xml in aggregationDefinition schema.
* @return Returns the XML representation of the resource.
* @throws MissingMethodParameterException ex
* @throws ScopeNotFoundException ex
* @throws SystemException ex
* @see de.escidoc.core.sm.business.interfaces
* .AggregationDefinitionHandlerInterface#create(java.lang.String)
*/
@Override
@Transactional(rollbackFor = {SystemException.class, RuntimeException.class})
public String create(final String xmlData)
throws MissingMethodParameterException, ScopeNotFoundException, SystemException {
if (xmlData == null || xmlData.length() == 0) {
throw new MissingMethodParameterException("xml may not be null");
}
// parse
final StaxParser sp = new StaxParser();
final AggregationDefinitionStaxHandler handler = new AggregationDefinitionStaxHandler(sp);
sp.addHandler(handler);
try {
sp.parse(xmlData);
} catch (final Exception e) {
throw new SystemException(e);
}
final String scopeId = handler.getAggregationDefinition().getScope().getId();
final Scope scope = scopesDao.retrieve(scopeId);
// get AggregationDefinitionObject to insert aggregation-definition
// into database
final AggregationDefinition aggregationDefinition = handler.getAggregationDefinition();
aggregationDefinition.setCreatorId(utility.getCurrentUserId());
aggregationDefinition.setCreationDate(new Timestamp(System.currentTimeMillis()));
aggregationDefinition.setScope(scope);
dao.save(aggregationDefinition);
handler.setAggregationDefinition(aggregationDefinition);
// AggregationStatisticDataSelectors
for (final AggregationStatisticDataSelector selector :
handler.getAggregationStatisticDataSelectors()) {
dao.save(selector);
}
aggregationDefinition.setAggregationStatisticDataSelectors(
handler.getAggregationStatisticDataSelectors());
// AggregationTables
for (final AggregationTable aggregationTable : handler.getAggregationTables()) {
dao.save(aggregationTable);
}
aggregationDefinition.setAggregationTables(handler.getAggregationTables());
// Get databaseTableVos for all Aggregation-Tables
// defined in Aggregation Definition
final Collection<DatabaseTableVo> databaseTableVos =
generateAggregationDatabaseTableVos(aggregationDefinition);
if (databaseTableVos != null) {
for (final DatabaseTableVo databaseTableVo : databaseTableVos) {
// create aggregation table in Database
dbAccessor.createTable(databaseTableVo);
}
}
return renderer.render(aggregationDefinition);
}
/**
* 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;
}