public virtual void TestBasic()
{
Store.Directory dir = NewDirectory();
Store.Directory taxoDir = NewDirectory();
// Writes facet ords to a separate directory from the
// main index:
var taxoWriter = new DirectoryTaxonomyWriter(taxoDir, IndexWriterConfig.OpenMode_e.CREATE);
FacetsConfig config = new FacetsConfig();
config.SetHierarchical("Publish Date", true);
RandomIndexWriter writer = new RandomIndexWriter(Random(), dir, Similarity, TimeZone);
Document doc = new Document();
doc.Add(new FacetField("Author", "Bob"));
doc.Add(new FacetField("Publish Date", "2010", "10", "15"));
writer.AddDocument(config.Build(taxoWriter, doc));
doc = new Document();
doc.Add(new FacetField("Author", "Lisa"));
doc.Add(new FacetField("Publish Date", "2010", "10", "20"));
writer.AddDocument(config.Build(taxoWriter, doc));
doc = new Document();
doc.Add(new FacetField("Author", "Lisa"));
doc.Add(new FacetField("Publish Date", "2012", "1", "1"));
writer.AddDocument(config.Build(taxoWriter, doc));
doc = new Document();
doc.Add(new FacetField("Author", "Susan"));
doc.Add(new FacetField("Publish Date", "2012", "1", "7"));
writer.AddDocument(config.Build(taxoWriter, doc));
doc = new Document();
doc.Add(new FacetField("Author", "Frank"));
doc.Add(new FacetField("Publish Date", "1999", "5", "5"));
writer.AddDocument(config.Build(taxoWriter, doc));
// NRT open
IndexSearcher searcher = NewSearcher(writer.Reader);
// NRT open
var taxoReader = new DirectoryTaxonomyReader(taxoWriter);
// Aggregate the facet counts:
FacetsCollector c = new FacetsCollector();
// MatchAllDocsQuery is for "browsing" (counts facets
// for all non-deleted docs in the index); normally
// you'd use a "normal" query, and use MultiCollector to
// wrap collecting the "normal" hits and also facets:
searcher.Search(new MatchAllDocsQuery(), c);
Facets facets = new FastTaxonomyFacetCounts(taxoReader, config, c);
// Retrieve & verify results:
Assert.AreEqual("dim=Publish Date path=[] value=5 childCount=3\n 2010 (2)\n 2012 (2)\n 1999 (1)\n", facets.GetTopChildren(10, "Publish Date").ToString());
Assert.AreEqual("dim=Author path=[] value=5 childCount=4\n Lisa (2)\n Bob (1)\n Susan (1)\n Frank (1)\n", facets.GetTopChildren(10, "Author").ToString());
// Now user drills down on Publish Date/2010:
DrillDownQuery q2 = new DrillDownQuery(config);
q2.Add("Publish Date", "2010");
c = new FacetsCollector();
searcher.Search(q2, c);
facets = new FastTaxonomyFacetCounts(taxoReader, config, c);
Assert.AreEqual("dim=Author path=[] value=2 childCount=2\n Bob (1)\n Lisa (1)\n", facets.GetTopChildren(10, "Author").ToString());
Assert.AreEqual(1, facets.GetSpecificValue("Author", "Lisa"));
Assert.Null(facets.GetTopChildren(10, "Non exitent dim"));
// Smoke test PrintTaxonomyStats:
string result;
using (ByteArrayOutputStream bos = new ByteArrayOutputStream())
{
using (StreamWriter w = new StreamWriter(bos, Encoding.UTF8, 2048, true)
{
AutoFlush = true
})
{
PrintTaxonomyStats.PrintStats(taxoReader, w, true);
}
result = bos.ToString();
}
Assert.True(result.IndexOf("/Author: 4 immediate children; 5 total categories", StringComparison.Ordinal) != -1);
Assert.True(result.IndexOf("/Publish Date: 3 immediate children; 12 total categories", StringComparison.Ordinal) != -1);
// Make sure at least a few nodes of the tree came out:
Assert.True(result.IndexOf(" /1999", StringComparison.Ordinal) != -1);
Assert.True(result.IndexOf(" /2012", StringComparison.Ordinal) != -1);
Assert.True(result.IndexOf(" /20", StringComparison.Ordinal) != -1);
IOUtils.Close(writer, taxoWriter, searcher.IndexReader, taxoReader, taxoDir, dir);
}
public virtual void TestWrongIndexFieldName()
{
Store.Directory dir = NewDirectory();
Store.Directory taxoDir = NewDirectory();
// Writes facet ords to a separate directory from the
// main index:
DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir, IndexWriterConfig.OpenMode_e.CREATE);
FacetsConfig config = new FacetsConfig();
config.SetIndexFieldName("a", "$facets2");
RandomIndexWriter writer = new RandomIndexWriter(Random(), dir, Similarity, TimeZone);
Document doc = new Document();
doc.Add(new FacetField("a", "foo1"));
writer.AddDocument(config.Build(taxoWriter, doc));
// NRT open
IndexSearcher searcher = NewSearcher(writer.Reader);
// NRT open
var taxoReader = new DirectoryTaxonomyReader(taxoWriter);
FacetsCollector c = new FacetsCollector();
searcher.Search(new MatchAllDocsQuery(), c);
// Uses default $facets field:
Facets facets;
if (Random().NextBoolean())
{
facets = new FastTaxonomyFacetCounts(taxoReader, config, c);
}
else
{
OrdinalsReader ordsReader = new DocValuesOrdinalsReader();
if (Random().NextBoolean())
{
ordsReader = new CachedOrdinalsReader(ordsReader);
}
facets = new TaxonomyFacetCounts(ordsReader, taxoReader, config, c);
}
// Ask for top 10 labels for any dims that have counts:
IList <FacetResult> results = facets.GetAllDims(10);
Assert.True(results.Count == 0);
try
{
facets.GetSpecificValue("a");
Fail("should have hit exc");
}
catch (System.ArgumentException)
{
// expected
}
try
{
facets.GetTopChildren(10, "a");
Fail("should have hit exc");
}
catch (System.ArgumentException)
{
// expected
}
IOUtils.Close(writer, taxoWriter, searcher.IndexReader, taxoReader, taxoDir, dir);
}
public virtual void TestWrongIndexFieldName()
{
Store.Directory dir = NewDirectory();
Store.Directory taxoDir = NewDirectory();
// Writes facet ords to a separate directory from the
// main index:
DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir, IndexWriterConfig.OpenMode_e.CREATE);
FacetsConfig config = new FacetsConfig();
config.SetIndexFieldName("a", "$facets2");
RandomIndexWriter writer = new RandomIndexWriter(Random(), dir);
Document doc = new Document();
doc.Add(new FacetField("a", "foo1"));
writer.AddDocument(config.Build(taxoWriter, doc));
// NRT open
IndexSearcher searcher = NewSearcher(writer.Reader);
// NRT open
var taxoReader = new DirectoryTaxonomyReader(taxoWriter);
FacetsCollector c = new FacetsCollector();
searcher.Search(new MatchAllDocsQuery(), c);
// Uses default $facets field:
Facets facets;
if (Random().NextBoolean())
{
facets = new FastTaxonomyFacetCounts(taxoReader, config, c);
}
else
{
OrdinalsReader ordsReader = new DocValuesOrdinalsReader();
if (Random().NextBoolean())
{
ordsReader = new CachedOrdinalsReader(ordsReader);
}
facets = new TaxonomyFacetCounts(ordsReader, taxoReader, config, c);
}
// Ask for top 10 labels for any dims that have counts:
IList<FacetResult> results = facets.GetAllDims(10);
Assert.True(results.Count == 0);
try
{
facets.GetSpecificValue("a");
Fail("should have hit exc");
}
catch (System.ArgumentException)
{
// expected
}
try
{
facets.GetTopChildren(10, "a");
Fail("should have hit exc");
}
catch (System.ArgumentException)
{
// expected
}
IOUtils.Close(writer, taxoWriter, searcher.IndexReader, taxoReader, taxoDir, dir);
}
public virtual void TestBasic()
{
Store.Directory dir = NewDirectory();
Store.Directory taxoDir = NewDirectory();
// Writes facet ords to a separate directory from the
// main index:
var taxoWriter = new DirectoryTaxonomyWriter(taxoDir, IndexWriterConfig.OpenMode_e.CREATE);
FacetsConfig config = new FacetsConfig();
config.SetHierarchical("Publish Date", true);
RandomIndexWriter writer = new RandomIndexWriter(Random(), dir);
Document doc = new Document();
doc.Add(new FacetField("Author", "Bob"));
doc.Add(new FacetField("Publish Date", "2010", "10", "15"));
writer.AddDocument(config.Build(taxoWriter, doc));
doc = new Document();
doc.Add(new FacetField("Author", "Lisa"));
doc.Add(new FacetField("Publish Date", "2010", "10", "20"));
writer.AddDocument(config.Build(taxoWriter, doc));
doc = new Document();
doc.Add(new FacetField("Author", "Lisa"));
doc.Add(new FacetField("Publish Date", "2012", "1", "1"));
writer.AddDocument(config.Build(taxoWriter, doc));
doc = new Document();
doc.Add(new FacetField("Author", "Susan"));
doc.Add(new FacetField("Publish Date", "2012", "1", "7"));
writer.AddDocument(config.Build(taxoWriter, doc));
doc = new Document();
doc.Add(new FacetField("Author", "Frank"));
doc.Add(new FacetField("Publish Date", "1999", "5", "5"));
writer.AddDocument(config.Build(taxoWriter, doc));
// NRT open
IndexSearcher searcher = NewSearcher(writer.Reader);
// NRT open
var taxoReader = new DirectoryTaxonomyReader(taxoWriter);
// Aggregate the facet counts:
FacetsCollector c = new FacetsCollector();
// MatchAllDocsQuery is for "browsing" (counts facets
// for all non-deleted docs in the index); normally
// you'd use a "normal" query, and use MultiCollector to
// wrap collecting the "normal" hits and also facets:
searcher.Search(new MatchAllDocsQuery(), c);
Facets facets = new FastTaxonomyFacetCounts(taxoReader, config, c);
// Retrieve & verify results:
Assert.AreEqual("dim=Publish Date path=[] value=5 childCount=3\n 2010 (2)\n 2012 (2)\n 1999 (1)\n", facets.GetTopChildren(10, "Publish Date").ToString());
Assert.AreEqual("dim=Author path=[] value=5 childCount=4\n Lisa (2)\n Bob (1)\n Susan (1)\n Frank (1)\n", facets.GetTopChildren(10, "Author").ToString());
// Now user drills down on Publish Date/2010:
DrillDownQuery q2 = new DrillDownQuery(config);
q2.Add("Publish Date", "2010");
c = new FacetsCollector();
searcher.Search(q2, c);
facets = new FastTaxonomyFacetCounts(taxoReader, config, c);
Assert.AreEqual("dim=Author path=[] value=2 childCount=2\n Bob (1)\n Lisa (1)\n", facets.GetTopChildren(10, "Author").ToString());
Assert.AreEqual(1, facets.GetSpecificValue("Author", "Lisa"));
Assert.Null(facets.GetTopChildren(10, "Non exitent dim"));
// Smoke test PrintTaxonomyStats:
ByteArrayOutputStream bos = new ByteArrayOutputStream();
PrintTaxonomyStats.PrintStats(taxoReader, Console.Out, true);
string result = bos.ToString();
Assert.True(result.IndexOf("/Author: 4 immediate children; 5 total categories", StringComparison.Ordinal) != -1);
Assert.True(result.IndexOf("/Publish Date: 3 immediate children; 12 total categories", StringComparison.Ordinal) != -1);
// Make sure at least a few nodes of the tree came out:
Assert.True(result.IndexOf(" /1999", StringComparison.Ordinal) != -1);
Assert.True(result.IndexOf(" /2012", StringComparison.Ordinal) != -1);
Assert.True(result.IndexOf(" /20", StringComparison.Ordinal) != -1);
IOUtils.Close(writer, taxoWriter, searcher.IndexReader, taxoReader, taxoDir, dir);
}
/// <summary>
/// Subclass can override to customize per-dim Facets
/// impl.
/// </summary>
protected virtual Facets BuildFacetsResult(FacetsCollector drillDowns, FacetsCollector[] drillSideways, string[] drillSidewaysDims)
{
Facets drillDownFacets;
var drillSidewaysFacets = new Dictionary<string, Facets>();
if (taxoReader != null)
{
drillDownFacets = new FastTaxonomyFacetCounts(taxoReader, config, drillDowns);
if (drillSideways != null)
{
for (int i = 0; i < drillSideways.Length; i++)
{
drillSidewaysFacets[drillSidewaysDims[i]] = new FastTaxonomyFacetCounts(taxoReader, config, drillSideways[i]);
}
}
}
else
{
drillDownFacets = new SortedSetDocValuesFacetCounts(state, drillDowns);
if (drillSideways != null)
{
for (int i = 0; i < drillSideways.Length; i++)
{
drillSidewaysFacets[drillSidewaysDims[i]] = new SortedSetDocValuesFacetCounts(state, drillSideways[i]);
}
}
}
if (drillSidewaysFacets.Count == 0)
{
return drillDownFacets;
}
else
{
return new MultiFacets(drillSidewaysFacets, drillDownFacets);
}
}