[Wikidata-tech] wikidata toolkit - property filter

Hello All Property filter does not seem to be working for me. My code: WikibaseDataFetcher wbdf = WikibaseDataFetcher.getWikidataDataFetcher(); wbdf.getFilter().setPropertyFilter(Collections.singleton(this.dataObjectFactory.getPropertyIdValue("P57", "http://www.wikidata.org/entity"))); wbdf.getFilter().setPropertyFilter(Collections.singleton(PropertyIdValueImpl.create("P57", "http://www.wikidata.org/entity"))); i am still receiving all statements. what am i missing ? Thanks in advance Assaf