final FullTextEntityManager fullTextEntityManager = Search.getFullTextEntityManager(entityManager);
		final QueryBuilder builder = fullTextEntityManager.getSearchFactory().buildQueryBuilder().forEntity(Phrase.class).get();
		final FacetingRequest categoryFacetingRequest = builder.facet()
			    .name("categoryFacet")
			    .onField("categoryId")
			    .discrete()
			    .orderedBy(FacetSortOrder.FIELD_VALUE)
			    .includeZeroCounts(false)
			    .maxFacetCount(3)
			    .createFacetingRequest();
		
		// create a fulltext query
		final Query luceneQuery = builder.all().createQuery();
		final FullTextQuery fullTextQuery = fullTextEntityManager.createFullTextQuery(luceneQuery, Phrase.class);
		
		// retrieve facet manager and apply faceting request
		final FacetManager facetManager = fullTextQuery.getFacetManager();
		facetManager.enableFaceting(categoryFacetingRequest);
		
		final List<Facet> facets = facetManager.getFacets("categoryFacet");

   @Field(analyze = Analyze.NO)
   @Facet(forField = "categoryId",encoding = FacetEncodingType.LONG)
    Integer categoryId