Examples with FacetResult org.apache.lucene.facet.FacetResult used on opensource projects

Example 51 with FacetResult

use of org.apache.lucene.facet.FacetResult in project lucene-solr by apache.

the class SimpleSortedSetFacetsExample method drillDown.

/** 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;
}

Example 52 with FacetResult

use of org.apache.lucene.facet.FacetResult in project lucene-solr by apache.

the class MultiCategoryListsFacetsExample method search.

/** 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;
}

Example 53 with FacetResult

use of org.apache.lucene.facet.FacetResult in project lucene-solr by apache.

the class SimpleFacetsExample method facetsOnly.

/** User runs a query and counts facets only without collecting the matching documents.*/
private List<FacetResult> facetsOnly() 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:
    searcher.search(new MatchAllDocsQuery(), 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;
}

Example 54 with FacetResult

use of org.apache.lucene.facet.FacetResult in project lucene-solr by apache.

the class TestDistanceFacetsExample method testSimple.

public void testSimple() throws Exception {
    DistanceFacetsExample example = new DistanceFacetsExample();
    example.index();
    FacetResult result = example.search();
    assertEquals("dim=field path=[] value=3 childCount=4\n  < 1 km (1)\n  < 2 km (2)\n  < 5 km (2)\n  < 10 km (3)\n", result.toString());
    example.close();
}

Example 55 with FacetResult

use of org.apache.lucene.facet.FacetResult in project lucene-solr by apache.

the class TestRangeFacetsExample method testSimple.

@Test
public void testSimple() throws Exception {
    RangeFacetsExample example = new RangeFacetsExample();
    example.index();
    FacetResult result = example.search();
    assertEquals("dim=timestamp path=[] value=87 childCount=3\n  Past hour (4)\n  Past six hours (22)\n  Past day (87)\n", result.toString());
    example.close();
}