{
LOG.info( "Initializing ..." );
super.init( ds );
this.ds = ds;
OidRegistry oidRegistry = ds.getSchemaManager().getGlobalOidRegistry();
SchemaManager schemaManager = ds.getSchemaManager();
NameComponentNormalizer ncn = new ConcreteNameComponentNormalizer( schemaManager );
filterNormalizer = new FilterNormalizingVisitor( ncn, schemaManager );
evaluator = new ExpressionEvaluator( oidRegistry, schemaManager );
executor = new ThreadPoolExecutor( 1, 10, 1000, TimeUnit.MILLISECONDS,