NamespaceMappings nsMappings) throws Exception {
configuration = config;
ism = context.getItemStateManager();
hmgr = new HierarchyManagerImpl(context.getRootId(), ism);
NamespaceResolver nsResolver = new AdditionalNamespaceResolver(getNamespaces(config));
resolver = new ParsingNameResolver(NameFactoryImpl.getInstance(), nsResolver);
ntReg = context.getNodeTypeRegistry();
ntReg.addListener(this);
refreshIndexRules();
List<AggregateRule> idxAggregates = new ArrayList<AggregateRule>();