Bobo-Browse.Net开源项目

public void SimpleYamoolDemo()
    {
        //open a lucene index file.                 
        var idx = FSDirectory.Open(new System.IO.DirectoryInfo(IndexPath));
        var reader = IndexReader.Open(idx, true);
        //declare a Body field by faceted handler.
        var facetHandler = new MultiValueFacetHandler("Body");
        var boboReader = BoboIndexReader.GetInstance(reader, new FacetHandler[] { facetHandler });
        //create a new search request of browse that similare to lucene search(etc.skip,count,sort)
        var browseRequest = new BrowseRequest()
        {
            Count = 10,
            Offset = 0,
            Sort = new SortField[] { new SortField("LeafName",SortField.STRING) },
            FetchStoredFields = true
        };
        //create a new query for search
        var parser = new QueryParser(Lucene.Net.Util.Version.LUCENE_CURRENT, "Entity", new KeywordAnalyzer());
        var q = parser.Parse("SPListItem");
        //TODO:setting query for browse request.
        browseRequest.Query = q;

        // declare a facete option for by handler by bobo-browse
        var facetOption = new FacetSpec();
        //declare a filter for facet result that only return facet with ‘al‘ begin.            
        facetOption.Prefix = "al";//if we not filter for facet we can remove it.
        facetOption.OrderBy = FacetSpec.FacetSortSpec.OrderHitsDesc;            
        browseRequest.SetFacetSpec("Body", facetOption);

        // perform browse
        var browser = new BoboBrowser(boboReader);
        var result = browser.Browse(browseRequest);

        // Showing results of now          
        //get a specified facet field
        var facetResult = result.FacetMap["Body"];
        var facetVals = facetResult.GetFacets();

        Console.WriteLine("Facets:");
        int count = 0;
        foreach (BrowseFacet facet in facetVals)
        {
            count++;
            Console.WriteLine(facet.ToString());
        }
        Console.WriteLine("Total = " + count);

        //show items
        Console.WriteLine(string.Empty);
        Console.WriteLine("Actual items:");
        BrowseHit[] hits = result.Hits;
        for (int i = 0; i < hits.Length; i++)
        {
            BrowseHit browseHit = hits[i];
            Console.WriteLine(browseHit.StoredFields.Get("LeafName"));
        }
    }