- Single-document in-memory index implementation.
- Index-time and Query-time joins for normalized content.- Specialized ICU (International Components for Unicode) Analyzers and Highlighters.- Highlights search keywords in results.- Collectors for grouping search results.- Faceted indexing and search capabilities.- Dynamically computed values to sort/facet/search on based on a pluggable grammar.- Analyzer for indexing phonetic signatures (for sounds-alike search).- Analyzer for dictionary stemming, built-in Polish dictionary.
- Analyzers for indexing content in different languages and domains.See the API documentation for Lucene.NET 4.8.0. Var hits = searcher.Search(phrase, 20 /* top 20 */).ScoreDocs Var searcher = new IndexSearcher(reader) Using var reader = writer.GetReader(applyAllDeletes: true) Writer.Flush(triggerMerge: false, applyAllDeletes: false) Ĭonstruct a Query // Search with a phraseįetch the Results // Re-use the writer to get real-time updates StringField indexes but doesn't tokenize Using var writer = new IndexWriter(dir, indexConfig) įavoritePhrase = "The quick brown fox jumps over the lazy dog" Var indexConfig = new IndexWriterConfig(AppLuceneVersion, analyzer) Var analyzer = new StandardAnalyzer(AppLuceneVersion) Create an analyzer to process the text Using var dir = FSDirectory.Open(indexPath) Var indexPath = Path.Combine(basePath, "index") Var basePath = Environment.GetFolderPath(Į) Construct a machine-independent path for the index Imports using Ĭreate an Index and Define a Text Analyzer // Ensures index backward compatibilityĬonst LuceneVersion AppLuceneVersion = LuceneVersion.LUCENE_48
#Apache lucene 2 download software
Lucene.NET is a C# port of the popular Java Lucene search engine framework from The Apache Software Foundation, targeting the. It can be used to easily add search capabilities to applications. Lucene.NET is a full-text search engine library capable of advanced text analysis, indexing, and searching.
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