static SortedSetDocValuesReaderState getNewFacetsState(final IndexReader indexReader, final String stateFacetField) throws IOException { try { return new DefaultSortedSetDocValuesReaderState(indexReader, stateFacetField == null ? FieldDefinition.DEFAULT_SORTEDSET_FACET_FIELD : stateFacetField); } catch (IllegalArgumentException e) { if (e.getMessage().contains("was not indexed with SortedSetDocValues")) return null; throw e; } }
SortedSetDocValues dv = getDocValues(); if (dv == null) { throw new IllegalArgumentException("field \"" + field + "\" was not indexed with SortedSetDocValues");
/** User runs a query and counts facets. */ private List<FacetResult> search() throws IOException { DirectoryReader indexReader = DirectoryReader.open(indexDir); IndexSearcher searcher = new IndexSearcher(indexReader); SortedSetDocValuesReaderState state = new DefaultSortedSetDocValuesReaderState(indexReader); // Aggregatses the facet counts FacetsCollector fc = new FacetsCollector(); // MatchAllDocsQuery is for "browsing" (counts facets // for all non-deleted docs in the index); normally // you'd use a "normal" query: FacetsCollector.search(searcher, new MatchAllDocsQuery(), 10, fc); // Retrieve results Facets facets = new SortedSetDocValuesFacetCounts(state, fc); List<FacetResult> results = new ArrayList<>(); results.add(facets.getTopChildren(10, "Author")); results.add(facets.getTopChildren(10, "Publish Year")); indexReader.close(); return results; }
/** User drills down on 'Publish Year/2010'. */ private FacetResult drillDown() throws IOException { DirectoryReader indexReader = DirectoryReader.open(indexDir); IndexSearcher searcher = new IndexSearcher(indexReader); SortedSetDocValuesReaderState state = new DefaultSortedSetDocValuesReaderState(indexReader); // Now user drills down on Publish Year/2010: DrillDownQuery q = new DrillDownQuery(config); q.add("Publish Year", "2010"); FacetsCollector fc = new FacetsCollector(); FacetsCollector.search(searcher, q, 10, fc); // Retrieve results Facets facets = new SortedSetDocValuesFacetCounts(state, fc); FacetResult result = facets.getTopChildren(10, "Author"); indexReader.close(); return result; }
FacetsCollector facetsCollector = new FacetsCollector(); try { DefaultSortedSetDocValuesReaderState state = new DefaultSortedSetDocValuesReaderState( searcher.getIndexReader(), FieldNames.createFacetFieldName(facetField)); FacetsCollector.search(searcher, query, null,1, Sort.INDEXORDER, facetsCollector);
FacetsCollector facetsCollector = new FacetsCollector(); try { DefaultSortedSetDocValuesReaderState state = new DefaultSortedSetDocValuesReaderState( searcher.getIndexReader(), FieldNames.createFacetFieldName(facetField)); FacetsCollector.search(searcher, query, null,1, Sort.INDEXORDER, facetsCollector);
SortedSetDocValuesReaderState docValuesReaderState; try { docValuesReaderState = new DefaultSortedSetDocValuesReaderState( searcher.getIndexReader() );
/** User runs a query and counts facets. */ private List<FacetResult> search() throws IOException { DirectoryReader indexReader = DirectoryReader.open(directory); IndexSearcher searcher = new IndexSearcher(indexReader); SortedSetDocValuesReaderState state = new DefaultSortedSetDocValuesReaderState(indexReader); // Aggregates the facet counts FacetsCollector fc = new FacetsCollector(); // MatchAllDocsQuery is for "browsing" (counts facets // for all non-deleted docs in the index); normally // you'd use a "normal" query: //FacetsCollector.search(searcher, new MatchAllDocsQuery(), 10, fc); TotalHitCountCollector collector = new TotalHitCountCollector(); searcher.search(new MatchAllDocsQuery(), MultiCollector.wrap(collector, fc)); // Retrieve results Facets facets = new SortedSetDocValuesFacetCounts(state, fc); List<FacetResult> results = new ArrayList<>(); results.add(facets.getTopChildren(10, "Author")); results.add(facets.getTopChildren(10, "Publish Year")); indexReader.close(); return results; }
private ArrayList<Facet> updateStringFacets(DiscreteFacetRequest facetRequest, FacetMetadata facetMetadata) throws IOException { SortedSetDocValuesReaderState docValuesReaderState; try { docValuesReaderState = new DefaultSortedSetDocValuesReaderState( searcher.getIndexReader() );
/** User drills down on 'Publish Year/2010'. */ private FacetResult drillDown() throws IOException { DirectoryReader indexReader = DirectoryReader.open(directory); IndexSearcher searcher = new IndexSearcher(indexReader); SortedSetDocValuesReaderState state = new DefaultSortedSetDocValuesReaderState(indexReader); // Now user drills down on Publish Year/2010: DrillDownQuery q = new DrillDownQuery(config); q.add("Publish Year", "2010"); FacetsCollector fc = new FacetsCollector(); FacetsCollector.search(searcher, q, 10, fc); // Retrieve results Facets facets = new SortedSetDocValuesFacetCounts(state, fc); FacetResult result = facets.getTopChildren(10, "Author"); indexReader.close(); return result; }