// One-level search for all schema entries
SearchOperationContext searchCtx = new SearchOperationContext( null );
searchCtx.setDn( dn );
searchCtx.setScope( SearchScope.ONELEVEL );
ExprNode filter = FilterParser.parse(schemaManager, "(objectClass=metaSchema)");
NameComponentNormalizer ncn = new ConcreteNameComponentNormalizer( schemaManager );
FilterNormalizingVisitor visitor = new FilterNormalizingVisitor( ncn, schemaManager );
filter.accept( visitor );
searchCtx.setFilter( filter );
EntryFilteringCursor list = partition.search( searchCtx );