示例#1
0
        public IndexReader Create()
        {
            var directory = _directoryFactory.Create();

            if (IndexReader.IndexExists(directory))
            {
                return(IndexReader.Open(directory, true));
            }

            //create an index and then open
            using (var writer = _writerFactory.Create()) {
                writer.Commit();
            }
            return(IndexReader.Open(_directoryFactory.Create(), true));
        }
示例#2
0
        public void Write(IEnumerable <IRow> rows)
        {
            var tflKey = _output.Entity.TflKey();

            using (var searcher = _searcherFactory.Create()) {
                using (var writer = _writerFactory.Create()) {
                    foreach (var row in rows)
                    {
                        var tflId = string.Concat(_primaryKey.Select(pk => row[pk].ToString()));
                        var doc   = new Document();
                        foreach (var field in _fieldSearchTypes.Where(field => field.SearchType.Store || field.SearchType.Index))
                        {
                            doc.Add(CreateField(field, row[field.Field]));
                        }
                        doc.Add(new LuceneField("TflId", tflId, LuceneField.Store.YES, LuceneField.Index.NOT_ANALYZED_NO_NORMS));
                        if (_output.Entity.IsFirstRun)
                        {
                            writer.AddDocument(doc);
                        }
                        else
                        {
                            var term = new Term("TflId", tflId);
                            var hits = searcher.Search(new TermQuery(term), null, 1);
                            if (hits.TotalHits > 0)
                            {
                                var old = searcher.Doc(hits.ScoreDocs[0].Doc);
                                doc.RemoveField(tflKey.Alias);
                                doc.Add(new NumericField(tflKey.Alias, LuceneField.Store.YES, true).SetIntValue(Convert.ToInt32(old.Get(tflKey.Alias))));
                                writer.UpdateDocument(term, doc);
                            }
                            else
                            {
                                writer.AddDocument(doc);
                            }
                        }
                    }
                    writer.Commit();
                    writer.Optimize();
                }
            }
        }