public static SearchResult MultiSearch(string term, List<FacetMatch> filters)
{
var result = new SearchResult();
if (_directory == null)
{
_directory = new RAMDirectory(FSDirectory.Open(@"c:\test\luceneindex"));
}
//var reader = IndexReader.Open(FSDirectory.Open(@"c:\test\luceneindex"), true);
var reader = IndexReader.Open(_directory, true);
var searcher = new FacetSearcher(reader);
var analyzer = new StandardAnalyzer(Version.LUCENE_30);
var queryParser = new QueryParser(Version.LUCENE_30, "name", analyzer);
queryParser.AllowLeadingWildcard = true;
var query = queryParser.Parse("*" + term + "*");
query = CreateFacetedQuery(query, filters, "");
//var query = new TermQuery(new Term(term + "*"));
var facetFields = new List<FacetFieldInfo>();
var db = new Database();
facetFields.Add(new FacetFieldInfo()
{
FieldName = "category"
});
foreach (var specType in db.GetSpecTypes())
{
facetFields.Add(new FacetFieldInfo()
{
FieldName = specType,
Selections = filters.Where(f => f.FacetName == specType).Select(f => f.FacetValue).ToList()
});
}
var actual = searcher.SearchWithFacets(query, 200, facetFields);
if (actual.Hits.TotalHits > 0)
{
foreach (var hit in actual.Hits.ScoreDocs)
{
var doc = searcher.Doc(hit.Doc);
result.Products.Add(new Product()
{
Name = doc.GetField("name").StringValue,
Id = int.Parse(doc.GetField("id").StringValue)
});
}
foreach (var facet in actual.Facets)
{
result.Facets.Add(new FacetMatch()
{
FacetName = facet.FacetFieldName,
FacetValue = facet.Value,
HitCount = facet.Count
});
}
}
result.Facets = result.Facets.OrderBy(f => f.FacetName).ThenBy(f => f.FacetValue).ToList();
var groups = result.Facets.GroupBy(g => g.FacetName);
return result;
}
private static void Maina(string[] args)
{
_target = new FacetSearcher(SetupIndex());
Warmup();
var facetFieldInfos = new List<FacetFieldInfo>
{
new FacetFieldInfo {FieldName = "color", MaxToFetchExcludingSelections = 20},
new FacetFieldInfo {FieldName = "type", MaxToFetchExcludingSelections = 20},
};
var stopwatchAll = new Stopwatch();
stopwatchAll.Start();
for (var i = 0; i < 100; i++)
{
var stopwatch = new Stopwatch();
stopwatch.Start();
var actual = _target.SearchWithFacets(new MatchAllDocsQuery(), 100, facetFieldInfos);
stopwatch.Stop();
var vs = stopwatch.ElapsedMilliseconds;
Console.WriteLine("Took " + vs + " ms");
}
stopwatchAll.Stop();
var vs2 = stopwatchAll.ElapsedMilliseconds;
Console.WriteLine("Took " + vs2 + " ms - i.e " + vs2/100 + "ms/query");
}
private static void Main(string[] args)
{
var originalByteCount = GC.GetTotalMemory(true);
_target = new FacetSearcher(SetupIndexPhysicalTest(), new FacetSearcherConfiguration {MemoryOptimizer = new DefaultMemoryOptimizer(20, 5000), MinimumCountInTotalDatasetForFacet = 1});
var stopwatchAll = new Stopwatch();
stopwatchAll.Start();
var queryParser = new MultiFieldQueryParser(Version.LUCENE_30,
new[] {"title", "bodies"},
new StandardAnalyzer(Version.LUCENE_30)
);
var facetFieldInfos = new List<FacetFieldInfo>
{
new FacetFieldInfo {FieldName = "userdisplayname", MaxToFetchExcludingSelections = 20},
new FacetFieldInfo {FieldName = "tag", MaxToFetchExcludingSelections = 20},
};
for (var i = 0; i < 100; i++)
{
var stopwatch = new Stopwatch();
stopwatch.Start();
var query = queryParser.Parse("mysql");
var actual = _target.SearchWithFacets(query, 100, facetFieldInfos);
stopwatch.Stop();
foreach (var groupy in actual.Facets.Select(x => x.FacetFieldName).Distinct())
{
var @group = groupy;
File.WriteAllLines(@"d:\\temp2\\" + group + ".txt", actual.Facets.Where(x => x.FacetFieldName == group).Select(x => x.Value + ":" + x.Count));
}
var vs = stopwatch.ElapsedMilliseconds;
Console.WriteLine("Took " + vs + " ms");
}
stopwatchAll.Stop();
var vs2 = stopwatchAll.ElapsedMilliseconds;
Console.WriteLine("Took " + vs2 + " ms - i.e " + vs2/100 + "ms/query");
GC.Collect();
GC.WaitForPendingFinalizers();
var finalByteCount = GC.GetTotalMemory(true);
Console.WriteLine("START: " + originalByteCount + " END:" + finalByteCount);
Console.WriteLine("DIFF: " + (finalByteCount - originalByteCount));
}
public void TestInitialize()
{
_target = new FacetSearcher(SetupIndex());
}
