protected override SearcherAndTaxonomy RefreshIfNeeded(SearcherAndTaxonomy @ref)
{
// Must re-open searcher first, otherwise we may get a
// new reader that references ords not yet known to the
// taxonomy reader:
IndexReader r = @ref.searcher.IndexReader;
IndexReader newReader = DirectoryReader.OpenIfChanged((DirectoryReader)r);
if (newReader == null)
{
return(null);
}
else
{
var tr = TaxonomyReader.OpenIfChanged(@ref.taxonomyReader);
if (tr == null)
{
@ref.taxonomyReader.IncRef();
tr = @ref.taxonomyReader;
}
else if (taxoWriter != null && taxoWriter.TaxonomyEpoch != taxoEpoch)
{
IOUtils.Close(newReader, tr);
throw new ThreadStateException("DirectoryTaxonomyWriter.replaceTaxonomy was called, which is not allowed when using SearcherTaxonomyManager");
}
return(new SearcherAndTaxonomy(SearcherManager.GetSearcher(searcherFactory, newReader), tr));
}
}
/// <summary>
/// Creates search and taxonomy readers over the corresponding directories.
///
/// <para>
/// <b>NOTE:</b> you should only use this constructor if you commit and call
/// <seealso cref="#maybeRefresh()"/> in the same thread. Otherwise it could lead to an
/// unsync'd <seealso cref="IndexSearcher"/> and <seealso cref="TaxonomyReader"/> pair.
/// </para>
/// </summary>
public SearcherTaxonomyManager(Store.Directory indexDir, Store.Directory taxoDir, SearcherFactory searcherFactory)
{
if (searcherFactory == null)
{
searcherFactory = new SearcherFactory();
}
this.searcherFactory = searcherFactory;
var taxoReader = new DirectoryTaxonomyReader(taxoDir);
Current = new SearcherAndTaxonomy(SearcherManager.GetSearcher(searcherFactory, DirectoryReader.Open(indexDir)), taxoReader);
this.taxoWriter = null;
taxoEpoch = -1;
}
/// <summary>
/// Creates near-real-time searcher and taxonomy reader
/// from the corresponding writers.
/// </summary>
public SearcherTaxonomyManager(IndexWriter writer, bool applyAllDeletes, SearcherFactory searcherFactory, DirectoryTaxonomyWriter taxoWriter)
{
if (searcherFactory == null)
{
searcherFactory = new SearcherFactory();
}
this.searcherFactory = searcherFactory;
this.taxoWriter = taxoWriter;
var taxoReader = new DirectoryTaxonomyReader(taxoWriter);
Current = new SearcherAndTaxonomy(SearcherManager.GetSearcher(searcherFactory, DirectoryReader.Open(writer, applyAllDeletes)), taxoReader);
this.taxoEpoch = taxoWriter.TaxonomyEpoch;
}
protected override void DecRef(SearcherAndTaxonomy @ref)
{
@ref.searcher.IndexReader.DecRef();
// This decRef can fail, and then in theory we should
// tryIncRef the searcher to put back the ref count
// ... but 1) the below decRef should only fail because
// it decRef'd to 0 and closed and hit some IOException
// during close, in which case 2) very likely the
// searcher was also just closed by the above decRef and
// a tryIncRef would fail:
@ref.taxonomyReader.DecRef();
}
protected override bool TryIncRef(SearcherAndTaxonomy @ref)
{
if (@ref.searcher.IndexReader.TryIncRef())
{
if (@ref.taxonomyReader.TryIncRef())
{
return(true);
}
else
{
@ref.searcher.IndexReader.DecRef();
}
}
return(false);
}
public virtual void TestReplaceTaxonomyDirectory()
{
Store.Directory indexDir = NewDirectory();
Store.Directory taxoDir = NewDirectory();
IndexWriter w = new IndexWriter(indexDir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())));
var tw = new DirectoryTaxonomyWriter(taxoDir);
w.Commit();
tw.Commit();
Store.Directory taxoDir2 = NewDirectory();
var tw2 = new DirectoryTaxonomyWriter(taxoDir2);
tw2.AddCategory(new FacetLabel("a", "b"));
tw2.Dispose();
var mgr = new SearcherTaxonomyManager(indexDir, taxoDir, null);
SearcherAndTaxonomy pair = mgr.Acquire();
try
{
Assert.AreEqual(1, pair.taxonomyReader.Size);
}
finally
{
mgr.Release(pair);
}
w.AddDocument(new Document());
tw.ReplaceTaxonomy(taxoDir2);
taxoDir2.Dispose();
w.Commit();
tw.Commit();
mgr.MaybeRefresh();
pair = mgr.Acquire();
try
{
Assert.AreEqual(3, pair.taxonomyReader.Size);
}
finally
{
mgr.Release(pair);
}
IOUtils.Close(mgr, tw, w, taxoDir, indexDir);
}
protected override int GetRefCount(SearcherAndTaxonomy reference)
{
return(reference.searcher.IndexReader.RefCount);
}
public virtual void TestDirectory()
{
Store.Directory indexDir = NewDirectory();
Store.Directory taxoDir = NewDirectory();
IndexWriter w = new IndexWriter(indexDir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())));
var tw = new DirectoryTaxonomyWriter(taxoDir);
// first empty commit
w.Commit();
tw.Commit();
var mgr = new SearcherTaxonomyManager(indexDir, taxoDir, null);
FacetsConfig config = new FacetsConfig();
config.SetMultiValued("field", true);
AtomicBoolean stop = new AtomicBoolean();
// How many unique facets to index before stopping:
int ordLimit = TEST_NIGHTLY ? 100000 : 6000;
var indexer = new IndexerThread(w, config, tw, mgr, ordLimit, stop);
indexer.Start();
try
{
while (!stop.Get())
{
SearcherAndTaxonomy pair = mgr.Acquire();
try
{
//System.out.println("search maxOrd=" + pair.taxonomyReader.getSize());
FacetsCollector sfc = new FacetsCollector();
pair.searcher.Search(new MatchAllDocsQuery(), sfc);
Facets facets = GetTaxonomyFacetCounts(pair.taxonomyReader, config, sfc);
FacetResult result = facets.GetTopChildren(10, "field");
if (pair.searcher.IndexReader.NumDocs > 0)
{
//System.out.println(pair.taxonomyReader.getSize());
Assert.True(result.ChildCount > 0);
Assert.True(result.LabelValues.Length > 0);
}
//if (VERBOSE) {
//System.out.println("TEST: facets=" + FacetTestUtils.toString(results.get(0)));
//}
}
finally
{
mgr.Release(pair);
}
}
}
finally
{
indexer.Join();
}
if (VERBOSE)
{
Console.WriteLine("TEST: now stop");
}
IOUtils.Close(mgr, tw, w, taxoDir, indexDir);
}
public virtual void TestNrt()
{
Store.Directory dir = NewDirectory();
Store.Directory taxoDir = NewDirectory();
IndexWriterConfig iwc = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random()));
// Don't allow tiny maxBufferedDocs; it can make this
// test too slow:
iwc.SetMaxBufferedDocs(Math.Max(500, iwc.MaxBufferedDocs));
// MockRandom/AlcololicMergePolicy are too slow:
TieredMergePolicy tmp = new TieredMergePolicy();
tmp.FloorSegmentMB = .001;
iwc.SetMergePolicy(tmp);
IndexWriter w = new IndexWriter(dir, iwc);
var tw = new DirectoryTaxonomyWriter(taxoDir);
FacetsConfig config = new FacetsConfig();
config.SetMultiValued("field", true);
AtomicBoolean stop = new AtomicBoolean();
// How many unique facets to index before stopping:
int ordLimit = TEST_NIGHTLY ? 100000 : 6000;
var indexer = new IndexerThread(w, config, tw, null, ordLimit, stop);
var mgr = new SearcherTaxonomyManager(w, true, null, tw);
var reopener = new ThreadAnonymousInnerClassHelper(this, stop, mgr);
reopener.Name = "reopener";
reopener.Start();
indexer.Name = "indexer";
indexer.Start();
try
{
while (!stop.Get())
{
SearcherAndTaxonomy pair = mgr.Acquire();
try
{
//System.out.println("search maxOrd=" + pair.taxonomyReader.getSize());
FacetsCollector sfc = new FacetsCollector();
pair.searcher.Search(new MatchAllDocsQuery(), sfc);
Facets facets = GetTaxonomyFacetCounts(pair.taxonomyReader, config, sfc);
FacetResult result = facets.GetTopChildren(10, "field");
if (pair.searcher.IndexReader.NumDocs > 0)
{
//System.out.println(pair.taxonomyReader.getSize());
Assert.True(result.ChildCount > 0);
Assert.True(result.LabelValues.Length > 0);
}
//if (VERBOSE) {
//System.out.println("TEST: facets=" + FacetTestUtils.toString(results.get(0)));
//}
}
finally
{
mgr.Release(pair);
}
}
}
finally
{
indexer.Join();
reopener.Join();
}
if (VERBOSE)
{
Console.WriteLine("TEST: now stop");
}
IOUtils.Close(mgr, tw, w, taxoDir, dir);
}
public virtual void Test_Directory() // LUCENENET specific - name collides with property of LuceneTestCase
{
Store.Directory indexDir = NewDirectory();
Store.Directory taxoDir = NewDirectory();
IndexWriter w = new IndexWriter(indexDir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random)));
var tw = new DirectoryTaxonomyWriter(taxoDir);
// first empty commit
w.Commit();
tw.Commit();
var mgr = new SearcherTaxonomyManager(indexDir, taxoDir, null);
FacetsConfig config = new FacetsConfig();
config.SetMultiValued("field", true);
AtomicBoolean stop = new AtomicBoolean();
// How many unique facets to index before stopping:
//int ordLimit = TestNightly ? 100000 : 6000;
// LUCENENET specific: 100000 facets takes about 2-3 hours. To keep it under
// the 1 hour free limit of Azure DevOps, this was reduced to 30000.
int ordLimit = TestNightly ? 30000 : 6000;
var indexer = new IndexerThread(w, config, tw, mgr, ordLimit, stop);
indexer.Start();
try
{
while (!stop)
{
SearcherAndTaxonomy pair = mgr.Acquire();
try
{
//System.out.println("search maxOrd=" + pair.taxonomyReader.getSize());
FacetsCollector sfc = new FacetsCollector();
pair.Searcher.Search(new MatchAllDocsQuery(), sfc);
Facets facets = GetTaxonomyFacetCounts(pair.TaxonomyReader, config, sfc);
FacetResult result = facets.GetTopChildren(10, "field");
if (pair.Searcher.IndexReader.NumDocs > 0)
{
//System.out.println(pair.taxonomyReader.getSize());
Assert.IsTrue(result.ChildCount > 0);
Assert.IsTrue(result.LabelValues.Length > 0);
}
//if (VERBOSE) {
//System.out.println("TEST: facets=" + FacetTestUtils.toString(results.get(0)));
//}
}
finally
{
mgr.Release(pair);
}
}
}
finally
{
indexer.Join();
}
if (Verbose)
{
Console.WriteLine("TEST: now stop");
}
IOUtils.Dispose(mgr, tw, w, taxoDir, indexDir);
}