///<summary>Sets runtime facet handler. If has the same name as a preload handler, for the
///duration of this browser, this one will be used.</summary>
///<param name="facetHandler">Runtime facet handler </param>
public virtual void SetFacetHandler(FacetHandler facetHandler)
{
List<string> dependsOn = facetHandler.DependsOn;
BoboIndexReader indexReader = GetIndexReader();
if (dependsOn.Count > 0)
{
List<string>.Enumerator iter = dependsOn.GetEnumerator();
while (iter.MoveNext())
{
string fn = iter.Current;
FacetHandler f = null;
if (runtimeFacetHandlerMap.ContainsKey(fn))
{
f = runtimeFacetHandlerMap[fn];
}
if (f == null)
{
f = indexReader.GetFacetHandler(fn);
}
if (f == null)
{
throw new System.IO.IOException("depended on facet handler: " + fn + ", but is not found");
}
facetHandler.PutDependedFacetHandler(f);
}
}
facetHandler.Load(indexReader);
runtimeFacetHandlerMap.Add(facetHandler.Name, facetHandler);
}
/// <summary>
/// Adds a list of depended facet handlers
/// </summary>
/// <param name="facetHandler"></param>
public void PutDependedFacetHandler(FacetHandler facetHandler)
{
this._dependedFacetHandlers[facetHandler.Name] = facetHandler;
}
public void TestAutoComplete()
{
var query = new MatchAllDocsQuery();
Console.WriteLine(string.Format("query: <{0}>", query.ToString()));
var request = new BrowseRequest()
{
Count = 10,
Offset = 0,
Query = query
};
var prefix = "java";
Console.WriteLine(string.Format("prefix:{0}", prefix));
Console.WriteLine("=============================");
var faceHandlers = new FacetHandler[] { new SimpleFacetHandler("name") };
var browser = new BoboBrowser(BoboIndexReader.GetInstance(IndexReader.Open(_indexDir, true), faceHandlers));
var factSpec = new FacetSpec() {Prefix=prefix, OrderBy = FacetSpec.FacetSortSpec.OrderHitsDesc };
request.SetFacetSpec("name", factSpec);
var result = browser.Browse(request);
foreach (var facet in result.FacetMap["name"].GetFacets())
{
Console.WriteLine(facet.ToString());
}
}
public void TestRangeFacetHandler()
{
var query = new MatchAllDocsQuery();
Console.WriteLine(string.Format("query: <{0}>", query.ToString()));
var testRangeFacetHandlers = new List<FacetHandler>();
testRangeFacetHandlers.Add(new RangeFacetHandler("year", true));//auto range
testRangeFacetHandlers.Add(new RangeFacetHandler("year", new List<string>(new string[] { "[* TO 2000]", "[2000 TO 2005]", "[2006 TO 2010]", "[2011 TO *]" })));
testRangeFacetHandlers.Add(new RangeFacetHandler("price","price", new NumberFieldFactory(), true));
for (var i = 0; i < testRangeFacetHandlers.Count; i++)
{
var request = new BrowseRequest()
{
Count = 100,
Offset = 0,
Query = query,
Sort = new Sort(new SortField("price", SortField.DOUBLE, false)).GetSort()
};
var sectionFilter = new BrowseSelection("category");
sectionFilter.NotValues = new string[] { "5" };
sectionFilter.SelectionOperation = BrowseSelection.ValueOperation.ValueOperationAnd;
request.AddSelection(sectionFilter);
var faceHandler = testRangeFacetHandlers[i];
var faceHandlers = new FacetHandler[] { faceHandler,new SimpleFacetHandler("category") };
var browser = new BoboBrowser(BoboIndexReader.GetInstance(IndexReader.Open(_indexDir, true), faceHandlers));
var factSpec = new FacetSpec() { OrderBy = FacetSpec.FacetSortSpec.OrderHitsDesc };
request.SetFacetSpec(faceHandler.Name, factSpec);
var result = browser.Browse(request);
Console.WriteLine(string.Format("total hits:{0}", result.NumHits));
foreach (var facet in result.FacetMap[faceHandler.Name].GetFacets())
{
Console.WriteLine(facet.ToString());
}
Console.WriteLine("");
}
}
public void TestMultiValueFacetHandler()
{
var query = new MatchAllDocsQuery();
Console.WriteLine(string.Format("query: <{0}>", query.ToString()));
var request = new BrowseRequest()
{
Count = 100,
Offset = 0,
Query = query,
Sort = new Sort(new SortField("path", SortField.STRING, false)).GetSort()
};
var faceHandlers = new FacetHandler[] { new MultiValueFacetHandler("path") };
var browser = new BoboBrowser(BoboIndexReader.GetInstance(IndexReader.Open(_indexDir, true), faceHandlers));
var factSpec = new FacetSpec() { OrderBy = FacetSpec.FacetSortSpec.OrderHitsDesc };
request.SetFacetSpec("path", factSpec);
var result = browser.Browse(request);
Console.WriteLine(string.Format("total hits:{0}", result.NumHits));
Console.WriteLine("===========================");
foreach (var facet in result.FacetMap["path"].GetFacets())
{
Console.WriteLine(facet.ToString());
}
Console.WriteLine("===========================");
for (var i = 0; i < result.Hits.Length; i++)
{
var doc = browser.Doc(result.Hits[i].DocId);
var category = _categories.First(k => k.Value == int.Parse(doc.GetField("category").StringValue)).Key;
Console.WriteLine(string.Format("{2} - {0} ${1} by {3}", doc.GetField("name").StringValue, doc.GetField("price").StringValue, category, doc.GetField("author").StringValue));
}
}