public bool? Call()
{
if (indexReader == null)
{
indexReader = DirectoryReader.Open(indexDir);
lastIndexGeneration = indexReader.IndexCommit.Generation;
taxoReader = new DirectoryTaxonomyReader(taxoDir);
}
else
{
// verify search index
DirectoryReader newReader = DirectoryReader.OpenIfChanged(indexReader);
assertNotNull("should not have reached here if no changes were made to the index", newReader);
long newGeneration = newReader.IndexCommit.Generation;
assertTrue("expected newer generation; current=" + lastIndexGeneration + " new=" + newGeneration, newGeneration > lastIndexGeneration);
indexReader.Dispose();
indexReader = newReader;
lastIndexGeneration = newGeneration;
TestUtil.CheckIndex(indexDir);
// verify taxonomy index
DirectoryTaxonomyReader newTaxoReader = TaxonomyReader.OpenIfChanged(taxoReader);
if (newTaxoReader != null)
{
taxoReader.Dispose();
taxoReader = newTaxoReader;
}
TestUtil.CheckIndex(taxoDir);
// verify faceted search
int id = int.Parse(indexReader.IndexCommit.UserData[VERSION_ID], NumberStyles.HexNumber);
IndexSearcher searcher = new IndexSearcher(indexReader);
FacetsCollector fc = new FacetsCollector();
searcher.Search(new MatchAllDocsQuery(), fc);
Facets facets = new FastTaxonomyFacetCounts(taxoReader, config, fc);
assertEquals(1, (int)facets.GetSpecificValue("A", id.ToString("X")));
DrillDownQuery drillDown = new DrillDownQuery(config);
drillDown.Add("A", id.ToString("X"));
TopDocs docs = searcher.Search(drillDown, 10);
assertEquals(1, docs.TotalHits);
}
return null;
}
