static void Main(string[] args)
{
Lucene.Net.Util.Version version = Lucene.Net.Util.Version.LUCENE_29;
var dir = new RAMDirectory();
Analyzer analyzer = new PerFieldAnalyzerWrapper(new StandardAnalyzer(version),
new Dictionary <string, Analyzer> {
{ "organization", new KeywordAnalyzer() }
});
// Add content to the index
var indexWriter = new IndexWriter(dir, analyzer, IndexWriter.MaxFieldLength.UNLIMITED);
foreach (var document in CreateDocuments(CreateTestData()))
{
indexWriter.AddDocument(document);
}
indexWriter.Commit();
indexWriter.Dispose();
var orgFieldName = "organization";
var titleFieldName = "title";
var createdAtName = "created_at";
var rangeFacetName = "rangeFacet";
//var orgFacetHandler = new PathFacetHandler(orgFieldName);
//orgFacetHandler.SetSeparator("/");
var orgFacetHandler = new MultiValueFacetHandler(orgFieldName);
FacetHandler titleFacetHandler = new MultiValueFacetHandler(titleFieldName);
var createdAtFacetHandler = new SimpleFacetHandler(createdAtName);
//var ranges = new List<string> { "[2000/01/01 TO 2000/12/30]", "[2001/01/01 TO 2007/12/30]" };
var ranges = new List <string> {
"[20000101 TO 20001230]", "[20040101 TO *]"
};
var rangeFacetHandler = new RangeFacetHandler(rangeFacetName, createdAtName, ranges);
IndexReader reader = IndexReader.Open(dir, true);
// decorate it with a bobo index reader
BoboIndexReader boboReader = BoboIndexReader.GetInstance(reader, new[] { orgFacetHandler, titleFacetHandler, createdAtFacetHandler, rangeFacetHandler });
// creating a browse request
var browseRequest = new BrowseRequest {
Count = 10, Offset = 0, FetchStoredFields = true
};
// add a selection
//var orgSelection = new BrowseSelection(orgFieldName);
//orgSelection.AddValue("A/B");
//browseRequest.AddSelection(orgSelection);
var titleSelction = new BrowseSelection(titleFieldName);
//titleSelction.AddValue("Læge");
browseRequest.AddSelection(titleSelction);
browseRequest.AddSelection(new BrowseSelection(rangeFacetName));
// parse a query
var parser = new QueryParser(Lucene.Net.Util.Version.LUCENE_29, "name", new KeywordAnalyzer());
Query q = parser.Parse("an*");
browseRequest.Query = q;
// add the facet output specs
var orgSpec = new FacetSpec {
OrderBy = FacetSpec.FacetSortSpec.OrderValueAsc
};
browseRequest.SetFacetSpec(orgFieldName, orgSpec);
var titleSpec = new FacetSpec {
MinHitCount = 1, OrderBy = FacetSpec.FacetSortSpec.OrderHitsDesc
};
browseRequest.SetFacetSpec(titleFieldName, titleSpec);
//var createdAtSpec = new FacetSpec { MinHitCount = 1, OrderBy = FacetSpec.FacetSortSpec.OrderHitsDesc };
//browseRequest.SetFacetSpec(createdAtName, createdAtSpec);
var rangeSpec = new FacetSpec {
MinHitCount = 1, OrderBy = FacetSpec.FacetSortSpec.OrderHitsDesc
};
browseRequest.SetFacetSpec(rangeFacetName, rangeSpec);
// perform browse
IBrowsable browser = new BoboBrowser(boboReader);
BrowseResult result = browser.Browse(browseRequest);
// Showing results now
int totalHits = result.NumHits;
BrowseHit[] hits = result.Hits;
Dictionary <String, IFacetAccessible> facetMap = result.FacetMap;
IFacetAccessible orgFacets = facetMap[orgFieldName];
Console.WriteLine("Facets {0}:", orgFieldName);
foreach (BrowseFacet facet in orgFacets.GetFacets())
{
Console.WriteLine(facet.ToString());
}
IFacetAccessible titleFacets = facetMap[titleFieldName];
Console.WriteLine("Facets {0}:", titleFieldName);
foreach (BrowseFacet facet in titleFacets.GetFacets())
{
Console.WriteLine(facet.ToString());
}
if (facetMap.ContainsKey(createdAtName))
{
IFacetAccessible createdAtFacets = facetMap[createdAtName];
Console.WriteLine("Facets {0}:", createdAtName);
foreach (BrowseFacet facet in createdAtFacets.GetFacets())
{
Console.WriteLine(facet.ToString());
}
}
if (facetMap.ContainsKey(rangeFacetName))
{
Console.WriteLine("-------------------------------------");
IFacetAccessible rangeFacets = facetMap[rangeFacetName];
Console.WriteLine("Facets {0}:", rangeFacets);
foreach (BrowseFacet facet in rangeFacets.GetFacets())
{
Console.WriteLine(facet.ToString());
}
Console.WriteLine("-------------------------------------");
}
Console.WriteLine("Actual items (total: {0}) query: {1}:", totalHits, q);
for (int i = 0; i < hits.Length; ++i)
{
BrowseHit browseHit = hits[i];
Console.WriteLine("id = {0}, Name = {1}, Organizations = {{{2}}}, Titles = {{{3}}}, Created at = {4}", browseHit.StoredFields.Get("id"), browseHit.StoredFields.Get("name"), string.Join(", ", browseHit.StoredFields.GetValues("organization").Distinct()), string.Join(", ", browseHit.StoredFields.GetValues("title").Distinct()), browseHit.StoredFields.Get("created_at"));
}
}
public void testRuntimeFilteredDateRange()
{
Lucene.Net.Util.Version version = Lucene.Net.Util.Version.LUCENE_29;
var dir = new RAMDirectory();
Analyzer analyzer = new PerFieldAnalyzerWrapper(new StandardAnalyzer(version),
new Dictionary <string, Analyzer> {
{ "organization", new KeywordAnalyzer() }
});
// Add content to the index
var indexWriter = new IndexWriter(dir, analyzer, IndexWriter.MaxFieldLength.UNLIMITED);
foreach (var document in CreateDocuments())
{
indexWriter.AddDocument(document);
}
indexWriter.Commit();
indexWriter.Dispose();
//var ranges = new List<string> { "[2000/01/01 TO 2001/12/30]", "[2007/01/01 TO 2007/12/30]" };
////var handler = new FilteredRangeFacetHandler("filtered_date", "date", ranges);
//var handler = new RangeFacetHandler("date", new PredefinedTermListFactory<DateTime>("yyyy/MM/dd"), ranges);
//IndexReader reader = IndexReader.Open(dir, true);
//// decorate it with a bobo index reader
//BoboIndexReader boboReader = BoboIndexReader.GetInstance(reader, new[] { handler });
//IBrowsable browser = new BoboBrowser(boboReader);
//var req = new BrowseRequest();
//req.SetFacetSpec("filtered_date", new FacetSpec());
//BrowseResult result = browser.Browse(req);
//// Showing results now
//int totalHits = result.NumHits;
//BrowseHit[] hits = result.Hits;
//Dictionary<String, IFacetAccessible> facetMap = result.FacetMap;
// queries
var dateRange = new List <String>();
dateRange.Add("[" + DateTools.DateToString(new DateTime(1999, 1, 1), DateTools.Resolution.DAY) + " TO " + DateTools.DateToString(new DateTime(2000, 12, 30), DateTools.Resolution.DAY) + "]");
dateRange.Add("[" + DateTools.DateToString(new DateTime(2001, 1, 1), DateTools.Resolution.DAY) + " TO *]");
// color facet handler
var dateHandler = new RangeFacetHandler("date", dateRange);
var titleFacet = new SimpleFacetHandler("title");
var handlerList = new List <FacetHandler>()
{
dateHandler, titleFacet
};
// opening a lucene index
IndexReader reader = IndexReader.Open(dir);
// decorate it with a bobo index reader
BoboIndexReader boboReader = BoboIndexReader.GetInstance(reader, handlerList);
// creating a browse request
var br = new BrowseRequest {
Count = 10, Offset = 0
};
// add a selection
BrowseSelection sel = new BrowseSelection("title");
//sel.AddValue("bodyintitle");
br.AddSelection(sel);
// parse a query
var parser = new QueryParser(version, "id", new StandardAnalyzer(version));
Query q = parser.Parse("*:*");
br.Query = q;
// add the facet output specs
FacetSpec dateSpec = new FacetSpec();
dateSpec.OrderBy = FacetSpec.FacetSortSpec.OrderHitsDesc;
br.SetFacetSpec("date", dateSpec);
FacetSpec titleSpec = new FacetSpec();
titleSpec.OrderBy = FacetSpec.FacetSortSpec.OrderHitsDesc;
br.SetFacetSpec("title", titleSpec);
// perform browse
var browser = new BoboBrowser(boboReader);
BrowseResult result = browser.Browse(br);
int totalHits = result.NumHits;
BrowseHit[] hits = result.Hits;
Dictionary <String, IFacetAccessible> facetMap = result.FacetMap;
IFacetAccessible dateFacets = facetMap["date"];
Debug.WriteLine("Facets date:");
foreach (BrowseFacet facetVal in dateFacets.GetFacets())
{
Debug.WriteLine("Facet " + facetVal.Value + "(" + facetVal.HitCount + ")");
}
IFacetAccessible orgFacets = facetMap["title"];
Debug.WriteLine("Facets title:");
foreach (BrowseFacet facet in orgFacets.GetFacets())
{
Debug.WriteLine(facet.ToString());
}
int i = 42;
}
