Exemplo n.º 1
0
        //END

        //this method creates document from an ObjectToIndex
        public void BuildIndex(FileToIndex file)
        {
            using (var analyzer = new Lucene.Net.Analysis.Ru.RussianAnalyzer(Version.LUCENE_30))
            {
                using (IndexWriter idxw = new IndexWriter(_directory, analyzer, IndexWriter.MaxFieldLength.UNLIMITED))
                {
                    //check if document exists, if true deletes existing

                    var searchQuery = new TermQuery(new Term("Id", file.Id.ToString()));
                    idxw.DeleteDocuments(searchQuery);
                    //creation
                    Document doc = new Document();
                    doc.Add(new Field("Id", file.Id.ToString(), Field.Store.YES, Field.Index.NOT_ANALYZED));//аналайзер разбивает строки на слова
                    doc.Add(new Field("Title", file.Title, Field.Store.YES, Field.Index.ANALYZED));
                    doc.Add(new Field("Description", file.Description, Field.Store.YES, Field.Index.ANALYZED));
                    doc.Add(new Field("Authors", file.Authors, Field.Store.YES, Field.Index.ANALYZED));
                    doc.Add(new Field("Text", file.Text, Field.Store.YES, Field.Index.ANALYZED));
                    doc.Add(new Field("Hashtags", file.Hashtags, Field.Store.YES, Field.Index.ANALYZED));
                    doc.Add(new Field("Discipline", file.Discipline, Field.Store.YES, Field.Index.ANALYZED));
                    //write the document to the index
                    idxw.AddDocument(doc);
                    //optimize and close the writer
                    idxw.Commit();

                    idxw.Optimize();
                }
            }
        }
Exemplo n.º 2
0
        //END
        //this method creates document from an ObjectToIndex
        public void BuildIndex(FileToIndex file)
        {
            using (var analyzer = new Lucene.Net.Analysis.Ru.RussianAnalyzer(Version.LUCENE_30))
            {
                using (IndexWriter idxw = new IndexWriter(_directory, analyzer, IndexWriter.MaxFieldLength.UNLIMITED))
                {
                    //check if document exists, if true deletes existing

                    var searchQuery = new TermQuery(new Term("Id", file.Id.ToString()));
                    idxw.DeleteDocuments(searchQuery);
                    //creation
                    Document doc = new Document();
                    doc.Add(new Field("Id", file.Id.ToString(), Field.Store.YES, Field.Index.NOT_ANALYZED));//аналайзер разбивает строки на слова
                    doc.Add(new Field("Title", file.Title, Field.Store.YES, Field.Index.ANALYZED));
                    doc.Add(new Field("Description", file.Description, Field.Store.YES, Field.Index.ANALYZED));
                    doc.Add(new Field("Authors", file.Authors, Field.Store.YES, Field.Index.ANALYZED));
                    doc.Add(new Field("Text", file.Text, Field.Store.YES, Field.Index.ANALYZED));
                    doc.Add(new Field("Hashtags", file.Hashtags, Field.Store.YES, Field.Index.ANALYZED));
                    doc.Add(new Field("Discipline", file.Discipline, Field.Store.YES, Field.Index.ANALYZED));
                    //write the document to the index
                    idxw.AddDocument(doc);
                    //optimize and close the writer
                    idxw.Commit();

                    idxw.Optimize();

                }
            }
        }
        public void BuildIndex_objectPassed_NumberOfDocsIncreased()
        {
            //1
            var ls = new StudentWorksSearch.LuceneSearch.LuceneEngine();
            var file= new FileToIndex
            {
                Id = 0,
                Authors = "test",
                Description = "test",
                Hashtags = "test",
                Text = "test",
                Title = null,
                Discipline = "test"
            };
            var was = ls.CountDocs();

            //2
            ls.BuildIndex(file);
            var now = ls.CountDocs();

            //3
            Assert.AreEqual(was+1,now);
        }