Category: Open Source

How to search a Lucene.Net index in C#

Benjamin Perkins Lucene.NET

I used this code to perform a search of a Lucene.Net index. Lucene.Net.Store..Directory directory =      Lucene.Net.Store.FSDirectory                .Open(new DirectoryInfo(textBoxSearchIndex.Text)); Lucene.Net.Analysis.Analyzer analyzer =      new Lucene.Net.Analysis.Standard                    .StandardAnalyzer(LuceneUtil.Version.LUCENE_29); Lucene.Net.Search.Searcher searcher =      new Lucene.Net.Search                .IndexSearcher(LuceneIndex.IndexReader                                          .Open(directory, true)); Lucene.Net.Search.Query query =      new Lucene.Net.QueryParsers                .QueryParser(LuceneUtil.Version.LUCENE_29,                             “contents”, analyzer)                             .Parse(textBoxSearch.Text); Lucene.Net.Search.Hits hits = […]

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NHibernate mapping experience with an ambiguous reference

NHibernate Benjamin Perkins

Sometime things don’t always go as planned. I was making some nice progress with the process of mapping a database and all of a sudden I get the following compile time error message. Ambiguous type reference. A type named “Attribute” occurs in at least two namespaces. “Attribute” ist ein mehrdeutiger Verweis und kann “System.Attribute” oder […]

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Lucene.NET returns results only when using numeric values

Benjamin Perkins Lucene.NET

I used this code to create a Lucene.Net 2.9.2 index. System.IO.DirectoryInfo indexFileLocation = new System.IO.DirectoryInfo(textBox1.Text); Lucene.Net.Store.Directory directory = Lucene.Net.Store.FSDirectory.Open(indexFileLocation); Lucene.Net.Analysis.Analyzer analyzer = new Lucene.Net .Analysis .Standard .StandardAnalyzer(LuceneUtil.Version.LUCENE_29); IndexWriter writer = new IndexWriter(directory, analyzer, true, IndexWriter.MaxFieldLength.UNLIMITED); foreach (IList item in dataToIndex) { Document doc = new Document(); doc.Add(new Field(“ID”, item[0].ToString(), Field.Store.YES, Field.Index.NO)); …. string contents = […]

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