/** 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 runs a query and counts facets. */ private List<FacetResult> facetsWithSearch() throws IOException { DirectoryReader indexReader = DirectoryReader.open(indexDir); IndexSearcher searcher = new IndexSearcher(indexReader); TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir); 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 List<FacetResult> results = new ArrayList<>(); // Count both "Publish Date" and "Author" dimensions Facets facets = new FastTaxonomyFacetCounts(taxoReader, config, fc); results.add(facets.getTopChildren(10, "Author")); results.add(facets.getTopChildren(10, "Publish Date")); indexReader.close(); taxoReader.close(); return results; }
/** User runs a query and counts facets. */ private List<FacetResult> search() throws IOException { DirectoryReader indexReader = DirectoryReader.open(indexDir); IndexSearcher searcher = new IndexSearcher(indexReader); TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir); 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 List<FacetResult> results = new ArrayList<>(); // Count both "Publish Date" and "Author" dimensions Facets author = new FastTaxonomyFacetCounts("author", taxoReader, config, fc); results.add(author.getTopChildren(10, "Author")); Facets pubDate = new FastTaxonomyFacetCounts("pubdate", taxoReader, config, fc); results.add(pubDate.getTopChildren(10, "Publish Date")); indexReader.close(); taxoReader.close(); return results; }
/** User runs a query and aggregates facets by summing their association values. */ private List<FacetResult> sumAssociations() throws IOException { DirectoryReader indexReader = DirectoryReader.open(indexDir); IndexSearcher searcher = new IndexSearcher(indexReader); TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir); 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); Facets tags = new TaxonomyFacetSumIntAssociations("$tags", taxoReader, config, fc); Facets genre = new TaxonomyFacetSumFloatAssociations("$genre", taxoReader, config, fc); // Retrieve results List<FacetResult> results = new ArrayList<>(); results.add(tags.getTopChildren(10, "tags")); results.add(genre.getTopChildren(10, "genre")); indexReader.close(); taxoReader.close(); return results; }
/** User runs a query and counts facets. */ public FacetResult search() throws IOException { // 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); Facets facets = new LongRangeFacetCounts("timestamp", fc, PAST_HOUR, PAST_SIX_HOURS, PAST_DAY); return facets.getTopChildren(10, "timestamp"); }
/** 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; }
/** User drills down on 'tags/solr'. */ private FacetResult drillDown() throws IOException { DirectoryReader indexReader = DirectoryReader.open(indexDir); IndexSearcher searcher = new IndexSearcher(indexReader); TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir); // Passing no baseQuery means we drill down on all // documents ("browse only"): DrillDownQuery q = new DrillDownQuery(config); // Now user drills down on Publish Date/2010: q.add("tags", "solr"); FacetsCollector fc = new FacetsCollector(); FacetsCollector.search(searcher, q, 10, fc); // Retrieve results Facets facets = new TaxonomyFacetSumFloatAssociations("$genre", taxoReader, config, fc); FacetResult result = facets.getTopChildren(10, "genre"); indexReader.close(); taxoReader.close(); return result; }
Map.Entry<String, List<String>> aCategory = categoryPaths.entrySet().iterator().next(); String categoryName = aCategory.getKey(); FacetsCollector.search(indexSearcher, drillDownQuery, Integer.MAX_VALUE, facetsCollector); Facets facets = new TaxonomyFacetSumValueSource(taxonomyReader, config, facetsCollector, scoreFunction); FacetResult facetResult = facets.getTopChildren(Integer.MAX_VALUE, categoryName);
/** User drills down on 'Publish Date/2010', and we * return facets for 'Author' */ private FacetResult drillDown() throws IOException { DirectoryReader indexReader = DirectoryReader.open(indexDir); IndexSearcher searcher = new IndexSearcher(indexReader); TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir); // Passing no baseQuery means we drill down on all // documents ("browse only"): DrillDownQuery q = new DrillDownQuery(config); // Now user drills down on Publish Date/2010: q.add("Publish Date", "2010"); FacetsCollector fc = new FacetsCollector(); FacetsCollector.search(searcher, q, 10, fc); // Retrieve results Facets facets = new FastTaxonomyFacetCounts(taxoReader, config, fc); FacetResult result = facets.getTopChildren(10, "Author"); indexReader.close(); taxoReader.close(); return result; }
TopDocs topDocs; if (drillDownRequest.getSortByFields() == null || drillDownRequest.getSortByFields().isEmpty()) { topDocs = FacetsCollector.search(indexSearcher, drillDownQuery, topResultCount, facetsCollector); } else { SortField[] sortFields = createSortFields(drillDownRequest.getSortByFields(), indices); topDocs = FacetsCollector.search(indexSearcher, drillDownQuery, null, topResultCount, new Sort(sortFields), true, false, facetsCollector);
DefaultSortedSetDocValuesReaderState state = new DefaultSortedSetDocValuesReaderState( searcher.getIndexReader(), FieldNames.createFacetFieldName(facetField)); FacetsCollector.search(searcher, query, null,1, Sort.INDEXORDER, facetsCollector);
DefaultSortedSetDocValuesReaderState state = new DefaultSortedSetDocValuesReaderState( searcher.getIndexReader(), FieldNames.createFacetFieldName(facetField)); FacetsCollector.search(searcher, query, null,1, Sort.INDEXORDER, facetsCollector);
/** User runs a query and aggregates facets. */ private FacetResult search() throws IOException, ParseException { DirectoryReader indexReader = DirectoryReader.open(indexDir); IndexSearcher searcher = new IndexSearcher(indexReader); TaxonomyReader taxoReader = new DirectoryTaxonomyReader(taxoDir); // Aggregate categories by an expression that combines the document's score // and its popularity field Expression expr = JavascriptCompiler.compile("_score * sqrt(popularity)"); SimpleBindings bindings = new SimpleBindings(); bindings.add(new SortField("_score", SortField.Type.SCORE)); // the score of the document bindings.add(new SortField("popularity", SortField.Type.LONG)); // the value of the 'popularity' field // Aggregates the facet values FacetsCollector fc = new FacetsCollector(true); // 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 TaxonomyFacetSumValueSource(taxoReader, config, fc, expr.getDoubleValuesSource(bindings)); FacetResult result = facets.getTopChildren(10, "A"); indexReader.close(); taxoReader.close(); return result; }
/** 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; }