Close() private method

private Close ( ) : void
return void
Ejemplo n.º 1
1
        public void TestRollbackIntegrityWithBufferFlush()
        {
            Directory dir = new MockRAMDirectory();
            IndexWriter w = new IndexWriter(dir, new WhitespaceAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED);
            for (int i = 0; i < 5; i++)
            {
                Document doc = new Document();
                doc.Add(new Field("pk", i.ToString(), Field.Store.YES, Field.Index.ANALYZED_NO_NORMS));
                w.AddDocument(doc);
            }
            w.Close();

            // If buffer size is small enough to cause a flush, errors ensue...
            w = new IndexWriter(dir, new WhitespaceAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED);
            w.SetMaxBufferedDocs(2);

            Term pkTerm = new Term("pk", "");
            for (int i = 0; i < 3; i++)
            {
                Document doc = new Document();
                String value = i.ToString();
                doc.Add(new Field("pk", value, Field.Store.YES, Field.Index.ANALYZED_NO_NORMS));
                doc.Add(new Field("text", "foo", Field.Store.YES, Field.Index.ANALYZED_NO_NORMS));
                w.UpdateDocument(pkTerm.CreateTerm(value), doc);
            }
            w.Rollback();

            IndexReader r = IndexReader.Open(dir, true);
            Assert.AreEqual(5, r.NumDocs(), "index should contain same number of docs post rollback");
            r.Close();
            dir.Close();
        }
Ejemplo n.º 2
1
        public void SetUp()
        {

            var writer = new IndexWriter(store, new WhitespaceAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED);

            var doc = new Document();
            doc.Add(new Field("aaa", "foo", Field.Store.YES, Field.Index.ANALYZED));
            writer.AddDocument(doc);

            doc = new Document();
            doc.Add(new Field("aaa", "foo", Field.Store.YES, Field.Index.ANALYZED));
            writer.AddDocument(doc);

            doc = new Document();
            doc.Add(new Field("contents", "Tom", Field.Store.YES, Field.Index.ANALYZED));
            writer.AddDocument(doc);

            doc = new Document();
            doc.Add(new Field("contents", "Jerry", Field.Store.YES, Field.Index.ANALYZED));
            writer.AddDocument(doc);

            doc = new Document();
            doc.Add(new Field("zzz", "bar", Field.Store.YES, Field.Index.ANALYZED));
            writer.AddDocument(doc);

            writer.Optimize();
            writer.Close();
        }
Ejemplo n.º 3
0
        public ActionResult Process()
        {
            GetCoursesMessage message = new GetCoursesMessage();
            MvcContrib.Bus.Send(message);

            List<Course> courses = (message.Result.Data as List<Course>);

            if (courses == null)
                return RedirectToAction("Index");

            Directory directory = FSDirectory.Open(new System.IO.DirectoryInfo(Server.MapPath("~/Data/Index")));
            Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_29);
            IndexWriter writer = new IndexWriter(directory, analyzer, true, IndexWriter.MaxFieldLength.UNLIMITED);
            Document document;

            try
            {

                foreach (Course course in courses)
                {
                    document = new Document();

                    document.Add(new Field("Type", "Course", Field.Store.YES, Field.Index.NO));
                    document.Add(new Field("ID", course.Id.ToString(), Field.Store.YES, Field.Index.NO));
                    document.Add(new Field("Name", course.Name, Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.YES));
                    document.Add(new Field("Owner", course.Owner, Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.YES));

                    writer.AddDocument(document);

                    GetNodesMessage courseMessage = new GetNodesMessage { Input = new GetNodesInput { CourseId = course.Id } };
                    MvcContrib.Bus.Send(courseMessage);

                    List<Node> nodes = (courseMessage.Result.Data as List<Node>);

                    foreach (Node node in nodes)
                    {
                        ProcessNode(writer, node);
                    }
                }
            }
            catch (Exception e)
            {
                writer.Optimize();
                writer.Close();

                throw e;
            }

            writer.Optimize();
            writer.Close();

            return RedirectToAction("Index");
        }
Ejemplo n.º 4
0
        //删除全部索引
        public void delAllIndex()
        {
            if (System.IO.Directory.Exists(indexPath) == false)
            {
                System.IO.Directory.CreateDirectory(indexPath);
            }
            FSDirectory fsDirectory = FSDirectory.Open(new DirectoryInfo(indexPath), new NativeFSLockFactory());

            if (!IndexReader.IndexExists(fsDirectory))
            {
                return;
            }
            else
            {
                if (IndexReader.IsLocked(fsDirectory))
                {
                    IndexReader.Unlock(fsDirectory);
                }
            }
            Lucene.Net.Index.IndexWriter iw = new Lucene.Net.Index.IndexWriter(indexPath, new PanGuAnalyzer(), false);
            //  iw.DeleteDocuments(new Lucene.Net.Index.Term("Key", key));
            iw.DeleteAll();
            iw.Optimize();//删除文件后并非从磁盘中移除,而是生成一个.del的文件,需要调用Optimize方法来清除。在清除文件前可以使用UndeleteAll方法恢复
            iw.Close();
        }
        public void HelloWorldTest()
        {
            Directory directory = new RAMDirectory();
            Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_29);
            IndexWriter writer = new IndexWriter(directory,
                analyzer,
                IndexWriter.MaxFieldLength.UNLIMITED);

            Document doc = new Document();
            doc.Add(new Field("id", "1", Field.Store.YES, Field.Index.NO));
            doc.Add(new Field("postBody", "sample test", Field.Store.YES, Field.Index.ANALYZED));
            writer.AddDocument(doc);
            writer.Optimize();
            writer.Commit();
            writer.Close();

            QueryParser parser = new QueryParser(Version.LUCENE_29, "postBody", analyzer);
            Query query = parser.Parse("sample test");

            //Setup searcher
            IndexSearcher searcher = new IndexSearcher(directory, true);
            //Do the search
            var hits = searcher.Search(query, null, 10);

            for (int i = 0; i < hits.TotalHits; i++)
            {
                var doc1 = hits.ScoreDocs[i];
            }

            searcher.Close();
            directory.Close();
        }
Ejemplo n.º 6
0
        public override void  SetUp()
        {
            base.SetUp();
            RAMDirectory directory = new RAMDirectory();
            IndexWriter  writer    = new IndexWriter(directory, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED, null);
            long         theLong   = System.Int64.MaxValue;
            double       theDouble = System.Double.MaxValue;
            sbyte        theByte   = (sbyte)System.SByte.MaxValue;
            short        theShort  = System.Int16.MaxValue;
            int          theInt    = System.Int32.MaxValue;
            float        theFloat  = System.Single.MaxValue;

            for (int i = 0; i < NUM_DOCS; i++)
            {
                Document doc = new Document();
                doc.Add(new Field("theLong", System.Convert.ToString(theLong--), Field.Store.NO, Field.Index.NOT_ANALYZED));
                doc.Add(new Field("theDouble", (theDouble--).ToString("E16"), Field.Store.NO, Field.Index.NOT_ANALYZED));
                doc.Add(new Field("theByte", System.Convert.ToString((sbyte)theByte--), Field.Store.NO, Field.Index.NOT_ANALYZED));
                doc.Add(new Field("theShort", System.Convert.ToString(theShort--), Field.Store.NO, Field.Index.NOT_ANALYZED));
                doc.Add(new Field("theInt", System.Convert.ToString(theInt--), Field.Store.NO, Field.Index.NOT_ANALYZED));
                doc.Add(new Field("theFloat", (theFloat--).ToString("E8"), Field.Store.NO, Field.Index.NOT_ANALYZED));
                writer.AddDocument(doc, null);
            }
            writer.Close();
            reader = IndexReader.Open((Directory)directory, true, null);
        }
Ejemplo n.º 7
0
        internal virtual void  BuildDir(Directory dir, int nDocs, int maxFields, int maxFieldLen)
        {
            IndexWriter iw = new IndexWriter(dir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED, null);

            iw.SetMaxBufferedDocs(10);
            for (int j = 0; j < nDocs; j++)
            {
                Document d       = new Document();
                int      nFields = r.Next(maxFields);
                for (int i = 0; i < nFields; i++)
                {
                    int flen = r.Next(maxFieldLen);
                    System.Text.StringBuilder sb = new System.Text.StringBuilder("^ ");
                    while (sb.Length < flen)
                    {
                        sb.Append(' ').Append(words[r.Next(words.Length)]);
                    }
                    sb.Append(" $");
                    Field.Store store = Field.Store.YES;                     // make random later
                    Field.Index index = Field.Index.ANALYZED;                // make random later
                    d.Add(new Field("f" + i, sb.ToString(), store, index));
                }
                iw.AddDocument(d, null);
            }
            iw.Close();
        }
Ejemplo n.º 8
0
        static void Main(string[] args)
        {
            var indexWriter = new IndexWriter(Configuration.IndexDirectory,
                                              new StandardAnalyzer(PortugueseStopWords),
                                              true,
                                              IndexWriter.MaxFieldLength.UNLIMITED);

            foreach(var filepath in Directory.GetFiles(Configuration.FilesDirectory, "*.txt"))
            {
                var document = new Document();
                var title = Path.GetFileNameWithoutExtension(filepath);

                var idField = new Field(Configuration.Fields.ID,
                                        filepath, Field.Store.YES, Field.Index.NO);
                document.Add(idField);

                var titleField = new Field(Configuration.Fields.Title,
                                           title,
                                           Field.Store.COMPRESS, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS);

                document.Add(titleField);

                var textField = new Field(Configuration.Fields.Text,
                                          new StreamReader(filepath).ReadToEnd(),
                                          Field.Store.COMPRESS, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS);
                document.Add(textField);

                indexWriter.AddDocument(document);
            }
            indexWriter.Close();
        }
Ejemplo n.º 9
0
        void Index()
        {
            Lucene.Net.Index.IndexWriter wr = new Lucene.Net.Index.IndexWriter(dir, new Lucene.Net.Analysis.WhitespaceAnalyzer(), Lucene.Net.Index.IndexWriter.MaxFieldLength.UNLIMITED);

            Lucene.Net.Documents.Document doc = null;
            Lucene.Net.Documents.Field    f   = null;

            doc = new Lucene.Net.Documents.Document();
            f   = new Lucene.Net.Documents.Field("field", "a b c d", Lucene.Net.Documents.Field.Store.NO, Lucene.Net.Documents.Field.Index.ANALYZED);
            doc.Add(f);
            wr.AddDocument(doc);

            doc = new Lucene.Net.Documents.Document();
            f   = new Lucene.Net.Documents.Field("field", "a b a d", Lucene.Net.Documents.Field.Store.NO, Lucene.Net.Documents.Field.Index.ANALYZED);
            doc.Add(f);
            wr.AddDocument(doc);

            doc = new Lucene.Net.Documents.Document();
            f   = new Lucene.Net.Documents.Field("field", "a b e f", Lucene.Net.Documents.Field.Store.NO, Lucene.Net.Documents.Field.Index.ANALYZED);
            doc.Add(f);
            wr.AddDocument(doc);

            doc = new Lucene.Net.Documents.Document();
            f   = new Lucene.Net.Documents.Field("field", "x y z", Lucene.Net.Documents.Field.Store.NO, Lucene.Net.Documents.Field.Index.ANALYZED);
            doc.Add(f);
            wr.AddDocument(doc);

            wr.Close();
        }
Ejemplo n.º 10
0
        public virtual void  TestNPESpanQuery()
        {
            Directory   dir    = new MockRAMDirectory();
            IndexWriter writer = new IndexWriter(dir, new StandardAnalyzer(Util.Version.LUCENE_CURRENT, Support.Compatibility.SetFactory.CreateHashSet <string>()), IndexWriter.MaxFieldLength.LIMITED, null);

            // Add documents
            AddDoc(writer, "1", "the big dogs went running to the market");
            AddDoc(writer, "2", "the cat chased the mouse, then the cat ate the mouse quickly");

            // Commit
            writer.Close();

            // Get searcher
            IndexReader   reader   = IndexReader.Open(dir, true, null);
            IndexSearcher searcher = new IndexSearcher(reader);

            // Control (make sure docs indexed)
            Assert.AreEqual(2, HitCount(searcher, "the"));
            Assert.AreEqual(1, HitCount(searcher, "cat"));
            Assert.AreEqual(1, HitCount(searcher, "dogs"));
            Assert.AreEqual(0, HitCount(searcher, "rabbit"));

            // This throws exception (it shouldn't)
            Assert.AreEqual(1, searcher.Search(CreateSpan(0, true, new SpanQuery[] { CreateSpan(4, false, "chased", "cat"), CreateSpan("ate") }), 10, null).TotalHits);
            reader.Close();
            dir.Close();
        }
Ejemplo n.º 11
0
        private void button1_Click(object sender, EventArgs e)
        {
            Directory index = new RAMDirectory();
            StandardAnalyzer analyzer = new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_29);

            IndexWriter w = new IndexWriter(index, analyzer);

            addDoc(w, "Lucene in Action");
            addDoc(w, "Lucene for Dummies");
            addDoc(w, "Managing Gigabytes");
            addDoc(w, "The Art of Computer Science");
            w.Close();

            String querystr = "Lucene in Action";

            Query q =  new QueryParser(Lucene.Net.Util.Version.LUCENE_29, "title", analyzer).Parse(querystr);
            //q.Parse();

            int hitsPerPage = 10;
            IndexReader reader = IndexReader.Open(index,true);
            IndexSearcher searcher = new IndexSearcher(reader);
            TopScoreDocCollector collector = TopScoreDocCollector.Create(hitsPerPage, true);
            searcher.Search(q, collector);
            ScoreDoc[] hits = collector.TopDocs().ScoreDocs;

            System.Console.WriteLine("Found {0} Hits", hits.Length);

            foreach (var item in hits)
            {
                int docId = item.Doc;
                Document d = searcher.Doc(docId);
                System.Console.WriteLine(d.Get("title") + " " + item.Score);
            }
        }
Ejemplo n.º 12
0
		public virtual void  TestLucene()
		{
			
			int num = 100;
			
			Directory indexA = new MockRAMDirectory();
			Directory indexB = new MockRAMDirectory();
			
			FillIndex(indexA, 0, num);
			bool fail = VerifyIndex(indexA, 0);
			if (fail)
			{
				Assert.Fail("Index a is invalid");
			}
			
			FillIndex(indexB, num, num);
			fail = VerifyIndex(indexB, num);
			if (fail)
			{
				Assert.Fail("Index b is invalid");
			}
			
			Directory merged = new MockRAMDirectory();
			
			IndexWriter writer = new IndexWriter(merged, new StandardAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
			writer.SetMergeFactor(2);
			
			writer.AddIndexes(new Directory[]{indexA, indexB});
			writer.Close();
			
			fail = VerifyIndex(merged, 0);
			merged.Close();
			
			Assert.IsFalse(fail, "The merged index is invalid");
		}
Ejemplo n.º 13
0
        public void testMissingTerms()
        {
            String fieldName = "field1";
            Directory rd = new RAMDirectory();
            var w = new IndexWriter(rd, new KeywordAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED);
            for (int i = 0; i < 100; i++)
            {
                var doc = new Document();
                int term = i*10; //terms are units of 10;
                doc.Add(new Field(fieldName, "" + term, Field.Store.YES, Field.Index.ANALYZED));
                w.AddDocument(doc);
            }
            IndexReader reader = w.GetReader();
            w.Close();

            TermsFilter tf = new TermsFilter();
            tf.AddTerm(new Term(fieldName, "19"));
            FixedBitSet bits = (FixedBitSet) tf.GetDocIdSet(reader);
            Assert.AreEqual(0, bits.Cardinality(), "Must match nothing");

            tf.AddTerm(new Term(fieldName, "20"));
            bits = (FixedBitSet) tf.GetDocIdSet(reader);
            Assert.AreEqual(1, bits.Cardinality(), "Must match 1");

            tf.AddTerm(new Term(fieldName, "10"));
            bits = (FixedBitSet) tf.GetDocIdSet(reader);
            Assert.AreEqual(2, bits.Cardinality(), "Must match 2");

            tf.AddTerm(new Term(fieldName, "00"));
            bits = (FixedBitSet) tf.GetDocIdSet(reader);
            Assert.AreEqual(2, bits.Cardinality(), "Must match 2");

            reader.Close();
            rd.Close();
        }
Ejemplo n.º 14
0
        public void IndexFile(string filePath)
        {
            PropertyDescriptors descriptors = new PropertyDescriptors();
            descriptors.LoadData(System.Windows.Forms.Application.StartupPath + "\\PropertyDescriptors.xml");
            Analyzer a = new Lucene.Net.Analysis.Standard.StandardAnalyzer();
            bool create = !(System.IO.Directory.Exists(_idxDir) && IndexReader.IndexExists(_idxDir));
            IndexWriter iw = new IndexWriter(_idxDir, a, create);
            iw.SetUseCompoundFile(true);

            AdDataStream adStream = new AdDataStream(filePath);
            adStream.LoadData();
            foreach (Advert ad in adStream.FetchAd())
            {
                Document doc = new Document();
                foreach (string s in ad.GetDictionary().Keys)
                {
                    string temp = descriptors.GetIndexableFormat(descriptors[s], ad[s]);
                    doc.Add(Field.Text(s, temp));

                }
                iw.AddDocument(doc);
                if (_updateCallback != null)
                {
                    _updateCallback("Added Document: " + ad["Title"]);

                }
            }
            iw.Optimize();
            iw.Close();
        }
Ejemplo n.º 15
0
 public override void  SetUp()
 {
     base.SetUp();
     IndexWriter writer = new IndexWriter(directory, new SimpleAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
     //writer.setUseCompoundFile(true);
     //writer.infoStream = System.out;
     for (int i = 0; i < 1000; i++)
     {
         Document doc = new Document();
         Field.TermVector termVector;
         int mod3 = i % 3;
         int mod2 = i % 2;
         if (mod2 == 0 && mod3 == 0)
         {
             termVector = Field.TermVector.WITH_POSITIONS_OFFSETS;
         }
         else if (mod2 == 0)
         {
             termVector = Field.TermVector.WITH_POSITIONS;
         }
         else if (mod3 == 0)
         {
             termVector = Field.TermVector.WITH_OFFSETS;
         }
         else
         {
             termVector = Field.TermVector.YES;
         }
         doc.Add(new Field("field", English.IntToEnglish(i), Field.Store.YES, Field.Index.ANALYZED, termVector));
         writer.AddDocument(doc);
     }
     writer.Close();
     searcher = new IndexSearcher(directory, true);
 }
Ejemplo n.º 16
0
		private Directory MakeIndex()
		{
			Directory dir = new RAMDirectory();
			try
			{
				System.Random r = NewRandom();
				Analyzer analyzer = new SimpleAnalyzer();
				IndexWriter writer = new IndexWriter(dir, analyzer, true, IndexWriter.MaxFieldLength.LIMITED);
				
				writer.SetUseCompoundFile(false);
				
				for (int d = 1; d <= NUM_DOCS; d++)
				{
					Document doc = new Document();
					for (int f = 1; f <= NUM_FIELDS; f++)
					{
						doc.Add(new Field("f" + f, data[f % data.Length] + '#' + data[r.Next(data.Length)], Field.Store.YES, Field.Index.ANALYZED));
					}
					writer.AddDocument(doc);
				}
				writer.Close();
			}
			catch (System.Exception e)
			{
				throw new System.SystemException("", e);
			}
			return dir;
		}
Ejemplo n.º 17
0
        public virtual void  TestPhrasePrefixWithBooleanQuery()
        {
            RAMDirectory indexStore = new RAMDirectory();
            IndexWriter  writer     = new IndexWriter(indexStore, new StandardAnalyzer(Util.Version.LUCENE_CURRENT, Support.Compatibility.SetFactory.CreateHashSet <string>()), true, IndexWriter.MaxFieldLength.LIMITED, null);

            Add("This is a test", "object", writer);
            Add("a note", "note", writer);
            writer.Close();

            IndexSearcher searcher = new IndexSearcher(indexStore, true, null);

            // This query will be equivalent to +type:note +body:"a t*"
            BooleanQuery q = new BooleanQuery();

            q.Add(new TermQuery(new Term("type", "note")), Occur.MUST);

            MultiPhraseQuery trouble = new MultiPhraseQuery();

            trouble.Add(new Term("body", "a"));
            trouble.Add(new Term[] { new Term("body", "test"), new Term("body", "this") });
            q.Add(trouble, Occur.MUST);

            // exception will be thrown here without fix for #35626:
            ScoreDoc[] hits = searcher.Search(q, null, 1000, null).ScoreDocs;
            Assert.AreEqual(0, hits.Length, "Wrong number of hits");
            searcher.Close();
        }
        public void CreateIndex(List<ISearchEntity> CreateEntities)
        {
            Analyzer analyzer = new StandardAnalyzer();
            IndexWriter writer = new IndexWriter(ConfigElement.IndexDirectory, analyzer, true);
            //第三个参数:是否重新创建索引,True 一律清空 重新建立 False 原有基础上增量添加索引

            foreach (ISearchEntity IndexEntity in CreateEntities)
            {
                ProductModel product = (ProductModel)IndexEntity;

                Document doc = new Document();

                doc.Add(new Field("productid", Convert.ToString(product.EntityIdentity), Field.Store.YES, Field.Index.UN_TOKENIZED));
                doc.Add(new Field("productname", Convert.ToString(product.ProductName), Field.Store.YES, Field.Index.TOKENIZED));
                doc.Add(new Field("cateid", Convert.ToString(product.CategoryID), Field.Store.YES, Field.Index.UN_TOKENIZED));
                doc.Add(new Field("catepath", Convert.ToString(product.CategoryPath), Field.Store.YES, Field.Index.UN_TOKENIZED));
                doc.Add(new Field("keywords", Convert.ToString(product.Keywords), Field.Store.YES, Field.Index.TOKENIZED));
                doc.Add(new Field("description", Convert.ToString(product.Description), Field.Store.YES, Field.Index.TOKENIZED));
                doc.Add(new Field("price", Convert.ToString(product.Price), Field.Store.YES, Field.Index.UN_TOKENIZED));
                doc.Add(new Field("createtime", Convert.ToString(product.CreateTime), Field.Store.YES, Field.Index.UN_TOKENIZED));
                doc.Add(new Field("updatetime", Convert.ToString(product.UpdateTime), Field.Store.YES, Field.Index.UN_TOKENIZED));
                doc.Add(new Field("mainimage", Convert.ToString(product.ProductImage), Field.Store.YES, Field.Index.UN_TOKENIZED));

                writer.AddDocument(doc);
                Console.WriteLine("created index for {0}:{1}", product.EntityIdentity, product.ProductName);
            }

            writer.Optimize();
            writer.Close();
        }
Ejemplo n.º 19
0
        public virtual void  TestRAMDirectorySize()
        {
            Directory        dir    = FSDirectory.Open(indexDir);
            MockRAMDirectory ramDir = new MockRAMDirectory(dir);

            dir.Close();
            IndexWriter writer = new IndexWriter(ramDir, new WhitespaceAnalyzer(), false, IndexWriter.MaxFieldLength.LIMITED, null);

            writer.Optimize(null);

            Assert.AreEqual(ramDir.SizeInBytes(), ramDir.GetRecomputedSizeInBytes());

            ThreadClass[] threads = new ThreadClass[numThreads];
            for (int i = 0; i < numThreads; i++)
            {
                int num = i;
                threads[i] = new AnonymousClassThread(num, writer, ramDir, this);
            }
            for (int i = 0; i < numThreads; i++)
            {
                threads[i].Start();
            }
            for (int i = 0; i < numThreads; i++)
            {
                threads[i].Join();
            }

            writer.Optimize(null);
            Assert.AreEqual(ramDir.SizeInBytes(), ramDir.GetRecomputedSizeInBytes());

            writer.Close();
        }
Ejemplo n.º 20
0
        private void CreateIndex()
        {
            string sresult = "";
            try
            {
                //读取数据库数据
                SqlDataReader myred = ExecuteQuery();

                //建立索引字段
                //Lucene.Net.Analysis.Analyzer analyzer = new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_CURRENT);
                StockFooAnalyzer analyzer = new StockFooAnalyzer(System.Configuration.ConfigurationManager.AppSettings["AnalyzerPath"].ToString());

                FSDirectory dy = FSDirectory.Open(new DirectoryInfo(Server.MapPath("IndexDirectory")));
                IndexWriter writer = new IndexWriter(dy, analyzer, true,IndexWriter.MaxFieldLength.LIMITED);
                while (myred.Read())
                {
                    AddDocument(writer, myred["title"].ToString(), myred["url"].ToString(), myred["site"].ToString(), myred["body"].ToString(), myred["publish_time"].ToString());
                }
                myred.Close();
                myred.Dispose();

                writer.Optimize();
                writer.Close();

                sresult = "ok";
            }
            catch(Exception ex)
            {
                sresult = ex.Message;
            }
            Response.Write(sresult);
            Response.Flush();
            Response.End();
        }
Ejemplo n.º 21
0
        public virtual void  TestFarsi()
        {
            /* build an index */
            RAMDirectory farsiIndex = new RAMDirectory();
            IndexWriter  writer     = new IndexWriter(farsiIndex, new SimpleAnalyzer(), T, IndexWriter.MaxFieldLength.LIMITED, null);
            Document     doc        = new Document();

            doc.Add(new Field("content", "\u0633\u0627\u0628", Field.Store.YES, Field.Index.NOT_ANALYZED));
            doc.Add(new Field("body", "body", Field.Store.YES, Field.Index.NOT_ANALYZED));
            writer.AddDocument(doc, null);

            writer.Optimize(null);
            writer.Close();

            IndexReader   reader = IndexReader.Open((Directory)farsiIndex, true, null);
            IndexSearcher search = new IndexSearcher(reader);
            Query         q      = new TermQuery(new Term("body", "body"));

            // Neither Java 1.4.2 nor 1.5.0 has Farsi Locale collation available in
            // RuleBasedCollator.  However, the Arabic Locale seems to order the Farsi
            // characters properly.
            System.Globalization.CompareInfo collator = new System.Globalization.CultureInfo("ar").CompareInfo;

            // Unicode order would include U+0633 in [ U+062F - U+0698 ], but Farsi
            // orders the U+0698 character before the U+0633 character, so the single
            // index Term below should NOT be returned by a TermRangeFilter with a Farsi
            // Collator (or an Arabic one for the case when Farsi is not supported).
            int numHits = search.Search(q, new TermRangeFilter("content", "\u062F", "\u0698", T, T, collator), 1000, null).TotalHits;

            Assert.AreEqual(0, numHits, "The index Term should not be included.");

            numHits = search.Search(q, new TermRangeFilter("content", "\u0633", "\u0638", T, T, collator), 1000, null).TotalHits;
            Assert.AreEqual(1, numHits, "The index Term should be included.");
            search.Close();
        }
Ejemplo n.º 22
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        private static RAMDirectory MakeEmptyIndex(int numDeletedDocs)
        {
            RAMDirectory d = new RAMDirectory();
            IndexWriter  w = new IndexWriter(d, new WhitespaceAnalyzer(), true, MaxFieldLength.LIMITED, null);

            for (int i = 0; i < numDeletedDocs; i++)
            {
                w.AddDocument(new Document(), null);
            }
            w.Commit(null);
            w.DeleteDocuments(null, new MatchAllDocsQuery());
            w.Commit(null);

            if (0 < numDeletedDocs)
            {
                Assert.IsTrue(w.HasDeletions(null), "writer has no deletions");
            }

            Assert.AreEqual(numDeletedDocs, w.MaxDoc(), "writer is missing some deleted docs");
            Assert.AreEqual(0, w.NumDocs(null), "writer has non-deleted docs");
            w.Close();
            IndexReader r = IndexReader.Open((Directory)d, true, null);

            Assert.AreEqual(numDeletedDocs, r.NumDeletedDocs, "reader has wrong number of deleted docs");
            r.Close();
            return(d);
        }
Ejemplo n.º 23
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        private void CreateIndex2()
        {
            IndexWriter iw = null;
            iw = new IndexWriter("D:\\lucene", anay, true);

            DataTable dt = SqlHelper2.QueryTable("select  a_id, b_name,u_nickname,a_title,a_content,b_id from v_article");

            foreach (DataRow dr in dt.Rows)
            {
                Document doc = new Document();
                string title = dr["a_title"].ToString();
                string content = dr["a_content"].ToString();
                string nickname = dr["u_nickname"].ToString();
                string bname = dr["b_name"].ToString();
                string bid = dr["b_id"].ToString();
                string aid = dr["a_id"].ToString();
                if (aid == "5938")
                {
                    doc.SetBoost(100);
                }
                doc.Add(Field.Keyword("title", title));
                doc.Add(Field.Keyword("content", content));
                doc.Add(Field.Keyword("nick", nickname));
                doc.Add(Field.Text("bname", bname));
                doc.Add(Field.Keyword("bid", bid));
                doc.Add(Field.Keyword("aid", aid));

                iw.AddDocument(doc);
            }
            iw.Optimize();
            iw.Close();
            Response.Write("<script>alert('建立索引完成!');</script>");
        }
Ejemplo n.º 24
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        public virtual void  TestDanish()
        {
            /* build an index */
            RAMDirectory danishIndex = new RAMDirectory();
            IndexWriter  writer      = new IndexWriter(danishIndex, new SimpleAnalyzer(), T, IndexWriter.MaxFieldLength.LIMITED, null);

            // Danish collation orders the words below in the given order
            // (example taken from TestSort.testInternationalSort() ).
            System.String[] words = new System.String[] { "H\u00D8T", "H\u00C5T", "MAND" };
            for (int docnum = 0; docnum < words.Length; ++docnum)
            {
                Document doc = new Document();
                doc.Add(new Field("content", words[docnum], Field.Store.YES, Field.Index.NOT_ANALYZED));
                doc.Add(new Field("body", "body", Field.Store.YES, Field.Index.NOT_ANALYZED));
                writer.AddDocument(doc, null);
            }
            writer.Optimize(null);
            writer.Close();

            IndexReader   reader = IndexReader.Open((Directory)danishIndex, true, null);
            IndexSearcher search = new IndexSearcher(reader);

            System.Globalization.CompareInfo c = new System.Globalization.CultureInfo("da" + "-" + "dk").CompareInfo;

            // Unicode order would not include "H\u00C5T" in [ "H\u00D8T", "MAND" ],
            // but Danish collation does.
            ScoreDoc[] result = search.Search(Csrq("content", "H\u00D8T", "MAND", F, F, c), null, 1000, null).ScoreDocs;
            AssertEquals("The index Term should be included.", 1, result.Length);

            result = search.Search(Csrq("content", "H\u00C5T", "MAND", F, F, c), null, 1000, null).ScoreDocs;
            AssertEquals("The index Term should not be included.", 0, result.Length);
            search.Close();
        }
Ejemplo n.º 25
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		private static Directory MakeIndex()
		{
			Directory dir = new RAMDirectory();
			try
			{
				System.Random r = new System.Random((System.Int32) (BASE_SEED + 42));
				Analyzer analyzer = new SimpleAnalyzer();
				IndexWriter writer = new IndexWriter(dir, analyzer, true);
				
				writer.SetUseCompoundFile(false);
				
				for (int d = 1; d <= NUM_DOCS; d++)
				{
					Lucene.Net.Documents.Document doc = new Lucene.Net.Documents.Document();
					for (int f = 1; f <= NUM_FIELDS; f++)
					{
						doc.Add(new Field("f" + f, data[f % data.Length] + '#' + data[r.Next(data.Length)], Field.Store.YES, Field.Index.TOKENIZED));
					}
					writer.AddDocument(doc);
				}
				writer.Close();
			}
			catch (System.Exception e)
			{
				throw new System.SystemException("", e);
			}
			return dir;
		}
        public virtual void TestCachingWorks()
        {
            Directory dir = new RAMDirectory();
            IndexWriter writer = new IndexWriter(dir, new KeywordAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
            writer.Close();

            IndexReader reader = IndexReader.Open(dir, true);

            MockFilter filter = new MockFilter();
            CachingWrapperFilter cacher = new CachingWrapperFilter(filter);

            // first time, nested filter is called
            cacher.GetDocIdSet(reader);
            Assert.IsTrue( filter.WasCalled(),"first time");

            // make sure no exception if cache is holding the wrong docIdSet
            cacher.GetDocIdSet(reader);

            // second time, nested filter should not be called
            filter.Clear();
            cacher.GetDocIdSet(reader);
            Assert.IsFalse(filter.WasCalled(),"second time" );

            reader.Close();
        }
Ejemplo n.º 27
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 public virtual void  TestLucene()
 {
     
     int num = 100;
     
     Directory indexA = new MockRAMDirectory();
     Directory indexB = new MockRAMDirectory();
     
     FillIndex(indexA, 0, num);
     Assert.IsFalse(VerifyIndex(indexA, 0), "Index a is invalid");
     
     FillIndex(indexB, num, num);
     Assert.IsFalse(VerifyIndex(indexB, num), "Index b is invalid");
     
     Directory merged = new MockRAMDirectory();
     
     IndexWriter writer = new IndexWriter(merged, new StandardAnalyzer(Util.Version.LUCENE_CURRENT), true, IndexWriter.MaxFieldLength.LIMITED);
     writer.MergeFactor = 2;
     
     writer.AddIndexesNoOptimize(new []{indexA, indexB});
     writer.Optimize();
     writer.Close();
     
     var fail = VerifyIndex(merged, 0);
     merged.Close();
     
     Assert.IsFalse(fail, "The merged index is invalid");
 }
		//Rolls back index to a chosen ID
		private void  RollBackLast(int id)
		{
			
			// System.out.println("Attempting to rollback to "+id);
			System.String ids = "-" + id;
			IndexCommit last = null;
			IList<IndexCommit> commits = IndexReader.ListCommits(dir);
			for (System.Collections.IEnumerator iterator = commits.GetEnumerator(); iterator.MoveNext(); )
			{
				IndexCommit commit = (IndexCommit) iterator.Current;
                System.Collections.Generic.IDictionary<string, string> ud = commit.GetUserData();
				if (ud.Count > 0)
					if (((System.String) ud["index"]).EndsWith(ids))
						last = commit;
			}
			
			if (last == null)
				throw new System.SystemException("Couldn't find commit point " + id);
			
			IndexWriter w = new IndexWriter(dir, new WhitespaceAnalyzer(), new RollbackDeletionPolicy(this, id), MaxFieldLength.UNLIMITED, last);
            System.Collections.Generic.IDictionary<string, string> data = new System.Collections.Generic.Dictionary<string, string>();
			data["index"] = "Rolled back to 1-" + id;
			w.Commit(data);
			w.Close();
		}
Ejemplo n.º 29
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        public virtual void  TestCompressionTools()
        {
            IFieldable binaryFldCompressed = new Field("binaryCompressed", CompressionTools.Compress(System.Text.UTF8Encoding.UTF8.GetBytes(binaryValCompressed)), Field.Store.YES);
            IFieldable stringFldCompressed = new Field("stringCompressed", CompressionTools.CompressString(binaryValCompressed), Field.Store.YES);

            Document doc = new Document();

            doc.Add(binaryFldCompressed);
            doc.Add(stringFldCompressed);

            /* add the doc to a ram index */
            MockRAMDirectory dir    = new MockRAMDirectory();
            IndexWriter      writer = new IndexWriter(dir, new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_CURRENT), true, IndexWriter.MaxFieldLength.LIMITED, null);

            writer.AddDocument(doc, null);
            writer.Close();

            /* open a reader and fetch the document */
            IndexReader reader        = IndexReader.Open((Directory)dir, false, null);
            Document    docFromReader = reader.Document(0, null);

            Assert.IsTrue(docFromReader != null);

            /* fetch the binary compressed field and compare it's content with the original one */
            System.String binaryFldCompressedTest = new System.String(System.Text.UTF8Encoding.UTF8.GetChars(CompressionTools.Decompress(docFromReader.GetBinaryValue("binaryCompressed", null))));
            Assert.IsTrue(binaryFldCompressedTest.Equals(binaryValCompressed));
            Assert.IsTrue(CompressionTools.DecompressString(docFromReader.GetBinaryValue("stringCompressed", null)).Equals(binaryValCompressed));

            reader.Close();
            dir.Close();
        }
        public void SetUp()
        {

            IndexWriter writer = new IndexWriter(store, new WhitespaceAnalyzer(), true);

            Document doc;

            doc = new Document();
            doc.Add(new Field("aaa", "foo", Field.Store.YES, Field.Index.ANALYZED));
            writer.AddDocument(doc);

            doc = new Document();
            doc.Add(new Field("aaa", "foo", Field.Store.YES, Field.Index.ANALYZED));
            writer.AddDocument(doc);

            doc = new Document();
            doc.Add(new Field("contents", "Tom", Field.Store.YES, Field.Index.ANALYZED));
            writer.AddDocument(doc);

            doc = new Document();
            doc.Add(new Field("contents", "Jerry", Field.Store.YES, Field.Index.ANALYZED));
            writer.AddDocument(doc);

            doc = new Document();
            doc.Add(new Field("zzz", "bar", Field.Store.YES, Field.Index.ANALYZED));
            writer.AddDocument(doc);

            writer.Optimize();
            writer.Close();
        }
        public void CreateIndex(List<ISearchEntity> CreateEntities)
        {
            Analyzer analyzer = new StandardAnalyzer();
            IndexWriter writer = new IndexWriter(ConfigElement.IndexDirectory, analyzer, true);
            //第三个参数:是否重新创建索引,True 一律清空 重新建立 False 原有基础上增量添加索引

            foreach (ISearchEntity IndexEntity in CreateEntities)
            {
                NewsModel news = (NewsModel)IndexEntity;

                Document doc = new Document();

                doc.Add(new Field("newsid", Convert.ToString(news.EntityIdentity), Field.Store.YES, Field.Index.UN_TOKENIZED));
                doc.Add(new Field("title", Convert.ToString(news.Title), Field.Store.YES, Field.Index.UN_TOKENIZED));
                doc.Add(new Field("content", Convert.ToString(news.Content), Field.Store.YES, Field.Index.TOKENIZED));
                doc.Add(new Field("keywords", Convert.ToString(news.Keywords), Field.Store.YES, Field.Index.UN_TOKENIZED));
                doc.Add(new Field("catepath", Convert.ToString(news.CategoryPath), Field.Store.YES, Field.Index.UN_TOKENIZED));
                doc.Add(new Field("createtime", Convert.ToString(news.CreateTime), Field.Store.YES, Field.Index.UN_TOKENIZED));

                writer.AddDocument(doc);
                Console.WriteLine("created index for {0}:{1}", news.EntityIdentity, news.Title);
            }

            writer.Optimize();
            writer.Close();
        }
Ejemplo n.º 32
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        public override void  SetUp()
        {
            base.SetUp();
            System.String tempDir = System.IO.Path.GetTempPath();
            if (tempDir == null)
            {
                throw new System.IO.IOException("java.io.tmpdir undefined, cannot run test");
            }
            indexDir = new System.IO.DirectoryInfo(Path.Combine(tempDir, "RAMDirIndex"));

            Directory   dir    = FSDirectory.Open(indexDir);
            IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED, null);
            // add some documents
            Document doc = null;

            for (int i = 0; i < docsToAdd; i++)
            {
                doc = new Document();
                doc.Add(new Field("content", English.IntToEnglish(i).Trim(), Field.Store.YES, Field.Index.NOT_ANALYZED));
                writer.AddDocument(doc, null);
            }
            Assert.AreEqual(docsToAdd, writer.MaxDoc());
            writer.Close();
            dir.Close();
        }
Ejemplo n.º 33
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		public void MrsJones()
		{
			var dir = new RAMDirectory();
			var analyzer = new LowerCaseKeywordAnalyzer();
			var writer = new IndexWriter(dir, analyzer, true, IndexWriter.MaxFieldLength.UNLIMITED);
			var document = new Lucene.Net.Documents.Document();
			document.Add(new Field("Name", "MRS. SHABA", Field.Store.NO, Field.Index.ANALYZED_NO_NORMS));
			writer.AddDocument(document);

			writer.Close(true);
			

			var searcher = new IndexSearcher(dir, true);

			var termEnum = searcher.GetIndexReader().Terms();
			while (termEnum.Next())
			{
				var buffer = termEnum.Term().Text();
				Console.WriteLine(buffer);
			}

			var queryParser = new RangeQueryParser(Version.LUCENE_29, "", analyzer);
			var query = queryParser.Parse("Name:\"MRS. S*\"");
			Console.WriteLine(query);
			var result = searcher.Search(query, 10);

			Assert.NotEqual(0,result.TotalHits);
		}
Ejemplo n.º 34
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        public virtual void  TestBooleanQueryContainingSingleTermPrefixQuery()
        {
            // this tests against bug 33161 (now fixed)
            // In order to cause the bug, the outer query must have more than one term
            // and all terms required.
            // The contained PhraseMultiQuery must contain exactly one term array.

            RAMDirectory indexStore = new RAMDirectory();
            IndexWriter  writer     = new IndexWriter(indexStore, new SimpleAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED, null);

            Add("blueberry pie", writer);
            Add("blueberry chewing gum", writer);
            Add("blue raspberry pie", writer);
            writer.Optimize(null);
            writer.Close();

            IndexSearcher searcher = new IndexSearcher(indexStore, true, null);
            // This query will be equivalent to +body:pie +body:"blue*"
            BooleanQuery q = new BooleanQuery();

            q.Add(new TermQuery(new Term("body", "pie")), Occur.MUST);

            MultiPhraseQuery trouble = new MultiPhraseQuery();

            trouble.Add(new Term[] { new Term("body", "blueberry"), new Term("body", "blue") });
            q.Add(trouble, Occur.MUST);

            // exception will be thrown here without fix
            ScoreDoc[] hits = searcher.Search(q, null, 1000, null).ScoreDocs;

            Assert.AreEqual(2, hits.Length, "Wrong number of hits");
            searcher.Close();
        }
Ejemplo n.º 35
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        public override void  SetUp()
        {
            base.SetUp();


            System.String[] data = new System.String[] { "A 1 2 3 4 5 6", "Z       4 5 6", null, "B   2   4 5 6", "Y     3   5 6", null, "C     3     6", "X       4 5 6" };

            index = new RAMDirectory();
            IndexWriter writer = new IndexWriter(index, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED, null);

            for (int i = 0; i < data.Length; i++)
            {
                Document doc = new Document();
                doc.Add(new Field("id", System.Convert.ToString(i), Field.Store.YES, Field.Index.NOT_ANALYZED)); //Field.Keyword("id",String.valueOf(i)));
                doc.Add(new Field("all", "all", Field.Store.YES, Field.Index.NOT_ANALYZED));                     //Field.Keyword("all","all"));
                if (null != data[i])
                {
                    doc.Add(new Field("data", data[i], Field.Store.YES, Field.Index.ANALYZED));                     //Field.Text("data",data[i]));
                }
                writer.AddDocument(doc, null);
            }

            writer.Optimize(null);
            writer.Close();

            r = IndexReader.Open(index, true, null);
            s = new IndexSearcher(r);

            //System.out.println("Set up " + getName());
        }
Ejemplo n.º 36
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        public void TestSpanRegex()
        {
            RAMDirectory directory = new RAMDirectory();
            IndexWriter writer = new IndexWriter(directory, new SimpleAnalyzer(), true, IndexWriter.MaxFieldLength.UNLIMITED);
            Document doc = new Document();
            // doc.Add(new Field("field", "the quick brown fox jumps over the lazy dog",
            // Field.Store.NO, Field.Index.ANALYZED));
            // writer.AddDocument(doc);
            // doc = new Document();
            doc.Add(new Field("field", "auto update", Field.Store.NO,
                Field.Index.ANALYZED));
            writer.AddDocument(doc);
            doc = new Document();
            doc.Add(new Field("field", "first auto update", Field.Store.NO,
                Field.Index.ANALYZED));
            writer.AddDocument(doc);
            writer.Optimize();
            writer.Close();

            IndexSearcher searcher = new IndexSearcher(directory, true);
            SpanRegexQuery srq = new SpanRegexQuery(new Term("field", "aut.*"));
            SpanFirstQuery sfq = new SpanFirstQuery(srq, 1);
            // SpanNearQuery query = new SpanNearQuery(new SpanQuery[] {srq, stq}, 6,
            // true);
            int numHits = searcher.Search(sfq, null, 1000).TotalHits;
            Assert.AreEqual(1, numHits);
        }
Ejemplo n.º 37
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		public virtual void  TestSorting()
		{
			Directory directory = new MockRAMDirectory();
			IndexWriter writer = new IndexWriter(directory, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
			writer.SetMaxBufferedDocs(2);
			writer.SetMergeFactor(1000);
			writer.AddDocument(Adoc(new System.String[]{"id", "a", "title", "ipod", "str_s", "a"}));
			writer.AddDocument(Adoc(new System.String[]{"id", "b", "title", "ipod ipod", "str_s", "b"}));
			writer.AddDocument(Adoc(new System.String[]{"id", "c", "title", "ipod ipod ipod", "str_s", "c"}));
			writer.AddDocument(Adoc(new System.String[]{"id", "x", "title", "boosted", "str_s", "x"}));
			writer.AddDocument(Adoc(new System.String[]{"id", "y", "title", "boosted boosted", "str_s", "y"}));
			writer.AddDocument(Adoc(new System.String[]{"id", "z", "title", "boosted boosted boosted", "str_s", "z"}));
			
			IndexReader r = writer.GetReader();
			writer.Close();
			
			IndexSearcher searcher = new IndexSearcher(r);
			
			RunTest(searcher, true);
			RunTest(searcher, false);
			
			searcher.Close();
			r.Close();
			directory.Close();
		}
        public void Initialize(String directoryProviderName, IDictionary<string, string> properties, ISearchFactoryImplementor searchFactory)
        {
            DirectoryInfo indexDir = DirectoryProviderHelper.DetermineIndexDir(directoryProviderName, (IDictionary) properties);
            try
            {
                bool create = !IndexReader.IndexExists(indexDir.FullName);
                indexName = indexDir.FullName;
                directory = FSDirectory.GetDirectory(indexName, create);

                if (create)
                {
                    IndexWriter iw = new IndexWriter(directory,
                                                     new StandardAnalyzer(),
                                                     create,
                                                     new KeepOnlyLastCommitDeletionPolicy(),
                                                     IndexWriter.MaxFieldLength.UNLIMITED);
                    iw.Close();
                }

                //searchFactory.RegisterDirectoryProviderForLocks(this);
            }
            catch (IOException e)
            {
                throw new HibernateException("Unable to initialize index: " + directoryProviderName, e);
            }
        }
Ejemplo n.º 39
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		public virtual void  TestSimpleSkip()
		{
			RAMDirectory dir = new RAMDirectory();
			IndexWriter writer = new IndexWriter(dir, new PayloadAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
			Term term = new Term("test", "a");
			for (int i = 0; i < 5000; i++)
			{
				Document d1 = new Document();
				d1.Add(new Field(term.Field(), term.Text(), Field.Store.NO, Field.Index.ANALYZED));
				writer.AddDocument(d1);
			}
			writer.Flush();
			writer.Optimize();
			writer.Close();
			
			IndexReader reader = SegmentReader.GetOnlySegmentReader(dir);
			SegmentTermPositions tp = (SegmentTermPositions) reader.TermPositions();
			tp.freqStream_ForNUnit = new CountingStream(this, tp.freqStream_ForNUnit);
			
			for (int i = 0; i < 2; i++)
			{
				counter = 0;
				tp.Seek(term);
				
				CheckSkipTo(tp, 14, 185); // no skips
				CheckSkipTo(tp, 17, 190); // one skip on level 0
				CheckSkipTo(tp, 287, 200); // one skip on level 1, two on level 0
				
				// this test would fail if we had only one skip level,
				// because than more bytes would be read from the freqStream
				CheckSkipTo(tp, 4800, 250); // one skip on level 2
			}
		}
Ejemplo n.º 40
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        private void btnInitAnalyzer_Click(object sender, EventArgs e)
        {
            using (new BusyObject(this))
            {
                if (analyzer == null)
                {
                    string hspellPath = SelectProjectFolder("Select a path to HSpell data files", "hspell-data-files" + System.IO.Path.DirectorySeparatorChar);
                    if (hspellPath == null)
                        return;

                    MorphAnalyzer a = new MorphAnalyzer(hspellPath);
                    if (!a.IsInitialized)
                    {
                        MessageBox.Show("Error while trying to create a morphological analyzer object; please check the existance of the required data files and try again");
                        return;
                    }

                    analyzer = a;
                }

                // Recreate the index
                IndexWriter writer = new IndexWriter(FSDirectory.Open(tempPath), new Lucene.Net.Analysis.SimpleAnalyzer(), true, new IndexWriter.MaxFieldLength(10));
                writer.Close();
            }

            btnIndexAddFolder.Enabled = true;
            btnRunAutoTests.Enabled = true;
            btnExecuteSearch.Enabled = true;
        }
		public virtual void  TestTermEnum()
		{
			IndexWriter writer = null;
			
			writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true);
			
			// add 100 documents with term : aaa
			// add 100 documents with terms: aaa bbb
			// Therefore, term 'aaa' has document frequency of 200 and term 'bbb' 100
			for (int i = 0; i < 100; i++)
			{
				AddDoc(writer, "aaa");
				AddDoc(writer, "aaa bbb");
			}
			
			writer.Close();
			
			// verify document frequency of terms in an unoptimized index
			VerifyDocFreq();
			
			// merge segments by optimizing the index
			writer = new IndexWriter(dir, new WhitespaceAnalyzer(), false);
			writer.Optimize();
			writer.Close();
			
			// verify document frequency of terms in an optimized index
			VerifyDocFreq();
		}
Ejemplo n.º 42
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		public override void  SetUp()
		{
			base.SetUp();
			Document doc;
			
			RAMDirectory rd1 = new RAMDirectory();
			IndexWriter iw1 = new IndexWriter(rd1, new SimpleAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
			
			doc = new Document();
			doc.Add(new Field("field1", "the quick brown fox jumps", Field.Store.YES, Field.Index.ANALYZED));
			doc.Add(new Field("field2", "the quick brown fox jumps", Field.Store.YES, Field.Index.ANALYZED));
			doc.Add(new Field("field4", "", Field.Store.NO, Field.Index.ANALYZED));
			iw1.AddDocument(doc);
			
			iw1.Close();
			RAMDirectory rd2 = new RAMDirectory();
			IndexWriter iw2 = new IndexWriter(rd2, new SimpleAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
			
			doc = new Document();
			doc.Add(new Field("field0", "", Field.Store.NO, Field.Index.ANALYZED));
			doc.Add(new Field("field1", "the fox jumps over the lazy dog", Field.Store.YES, Field.Index.ANALYZED));
			doc.Add(new Field("field3", "the fox jumps over the lazy dog", Field.Store.YES, Field.Index.ANALYZED));
			iw2.AddDocument(doc);
			
			iw2.Close();
			
			this.ir1 = IndexReader.Open(rd1, true);
		    this.ir2 = IndexReader.Open(rd2, true);
		}
Ejemplo n.º 43
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        public void MissingTerms_Test()
        {
            string fieldName = "field1";
            RAMDirectory rd = new RAMDirectory();
            IndexWriter w = new IndexWriter(rd, new WhitespaceAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED);
            for (int i = 0; i < 100; i++)
            {
                Document doc = new Document();
                int term = i * 10; //terms are units of 10;
                doc.Add(new Field(fieldName, "" + term, Field.Store.YES, Field.Index.NOT_ANALYZED));
                w.AddDocument(doc);
            }
            w.Close();
            IndexReader reader = IndexReader.Open(rd, true);

            TermsFilter tf = new TermsFilter();
            tf.AddTerm(new Term(fieldName, "19"));
            OpenBitSet bits = (OpenBitSet)tf.GetDocIdSet(reader);
            Assert.AreEqual(0, bits.Cardinality(), "Must match nothing");

            tf.AddTerm(new Term(fieldName, "20"));
            bits = (OpenBitSet)tf.GetDocIdSet(reader);
            Assert.AreEqual(1, bits.Cardinality(), "Must match 1");

            tf.AddTerm(new Term(fieldName, "10"));
            bits = (OpenBitSet)tf.GetDocIdSet(reader);
            Assert.AreEqual(2, bits.Cardinality(), "Must match 2");

            tf.AddTerm(new Term(fieldName, "00"));
            bits = (OpenBitSet)tf.GetDocIdSet(reader);
            Assert.AreEqual(2, bits.Cardinality(), "Must match 2");
        }
Ejemplo n.º 44
0
		public virtual void  TestMultiValueSource()
		{
			Directory dir = new MockRAMDirectory();
			IndexWriter w = new IndexWriter(dir, new WhitespaceAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED);
			Document doc = new Document();
			Field f = new Field("field", "", Field.Store.NO, Field.Index.NOT_ANALYZED);
			doc.Add(f);
			
			for (int i = 0; i < 17; i++)
			{
				f.SetValue("" + i);
				w.AddDocument(doc);
				w.Commit();
			}
			
			IndexReader r = w.GetReader();
			w.Close();
			
			Assert.IsTrue(r.GetSequentialSubReaders().Length > 1);
			
			ValueSource s1 = new IntFieldSource("field");
			DocValues v1 = s1.GetValues(r);
			DocValues v2 = new MultiValueSource(s1).GetValues(r);
			
			for (int i = 0; i < r.MaxDoc(); i++)
			{
				Assert.AreEqual(v1.IntVal(i), i);
				Assert.AreEqual(v2.IntVal(i), i);
			}
			
			Lucene.Net.Search.FieldCache_Fields.DEFAULT.PurgeAllCaches();
			
			r.Close();
			dir.Close();
		}
Ejemplo n.º 45
0
 void CloseIndex()
 {
     if (writer != null)
     {
         writer.Close();
         writer = null;
     }
 }
Ejemplo n.º 46
0
        public virtual void  TestPhrasePrefix()
        {
            RAMDirectory indexStore = new RAMDirectory();
            IndexWriter  writer     = new IndexWriter(indexStore, new SimpleAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED, null);
            Document     doc1       = new Document();
            Document     doc2       = new Document();
            Document     doc3       = new Document();
            Document     doc4       = new Document();
            Document     doc5       = new Document();

            doc1.Add(new Field("body", "blueberry pie", Field.Store.YES, Field.Index.ANALYZED));
            doc2.Add(new Field("body", "blueberry strudel", Field.Store.YES, Field.Index.ANALYZED));
            doc3.Add(new Field("body", "blueberry pizza", Field.Store.YES, Field.Index.ANALYZED));
            doc4.Add(new Field("body", "blueberry chewing gum", Field.Store.YES, Field.Index.ANALYZED));
            doc5.Add(new Field("body", "piccadilly circus", Field.Store.YES, Field.Index.ANALYZED));
            writer.AddDocument(doc1, null);
            writer.AddDocument(doc2, null);
            writer.AddDocument(doc3, null);
            writer.AddDocument(doc4, null);
            writer.AddDocument(doc5, null);
            writer.Optimize(null);
            writer.Close();

            IndexSearcher searcher = new IndexSearcher(indexStore, true, null);

            //PhrasePrefixQuery query1 = new PhrasePrefixQuery();
            MultiPhraseQuery query1 = new MultiPhraseQuery();
            //PhrasePrefixQuery query2 = new PhrasePrefixQuery();
            MultiPhraseQuery query2 = new MultiPhraseQuery();

            query1.Add(new Term("body", "blueberry"));
            query2.Add(new Term("body", "strawberry"));

            System.Collections.ArrayList termsWithPrefix = new System.Collections.ArrayList();
            IndexReader ir = IndexReader.Open((Directory)indexStore, true, null);

            // this TermEnum gives "piccadilly", "pie" and "pizza".
            System.String prefix = "pi";
            TermEnum      te     = ir.Terms(new Term("body", prefix + "*"), null);

            do
            {
                if (te.Term.Text.StartsWith(prefix))
                {
                    termsWithPrefix.Add(te.Term);
                }
            }while (te.Next(null));

            query1.Add((Term[])termsWithPrefix.ToArray(typeof(Term)));
            query2.Add((Term[])termsWithPrefix.ToArray(typeof(Term)));

            ScoreDoc[] result;
            result = searcher.Search(query1, null, 1000, null).ScoreDocs;
            Assert.AreEqual(2, result.Length);

            result = searcher.Search(query2, null, 1000, null).ScoreDocs;
            Assert.AreEqual(0, result.Length);
        }
Ejemplo n.º 47
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        public override void  SetUp()
        {
            base.SetUp();

            index = new RAMDirectory();
            IndexWriter writer = new IndexWriter(index, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED, null);

            writer.SetSimilarity(sim);

            // hed is the most important field, dek is secondary

            // d1 is an "ok" match for:  albino elephant
            {
                Document d1 = new Document();
                d1.Add(new Field("id", "d1", Field.Store.YES, Field.Index.NOT_ANALYZED));                 //Field.Keyword("id", "d1"));
                d1.Add(new Field("hed", "elephant", Field.Store.YES, Field.Index.ANALYZED));              //Field.Text("hed", "elephant"));
                d1.Add(new Field("dek", "elephant", Field.Store.YES, Field.Index.ANALYZED));              //Field.Text("dek", "elephant"));
                writer.AddDocument(d1, null);
            }

            // d2 is a "good" match for:  albino elephant
            {
                Document d2 = new Document();
                d2.Add(new Field("id", "d2", Field.Store.YES, Field.Index.NOT_ANALYZED));                 //Field.Keyword("id", "d2"));
                d2.Add(new Field("hed", "elephant", Field.Store.YES, Field.Index.ANALYZED));              //Field.Text("hed", "elephant"));
                d2.Add(new Field("dek", "albino", Field.Store.YES, Field.Index.ANALYZED));                //Field.Text("dek", "albino"));
                d2.Add(new Field("dek", "elephant", Field.Store.YES, Field.Index.ANALYZED));              //Field.Text("dek", "elephant"));
                writer.AddDocument(d2, null);
            }

            // d3 is a "better" match for:  albino elephant
            {
                Document d3 = new Document();
                d3.Add(new Field("id", "d3", Field.Store.YES, Field.Index.NOT_ANALYZED));                 //Field.Keyword("id", "d3"));
                d3.Add(new Field("hed", "albino", Field.Store.YES, Field.Index.ANALYZED));                //Field.Text("hed", "albino"));
                d3.Add(new Field("hed", "elephant", Field.Store.YES, Field.Index.ANALYZED));              //Field.Text("hed", "elephant"));
                writer.AddDocument(d3, null);
            }

            // d4 is the "best" match for:  albino elephant
            {
                Document d4 = new Document();
                d4.Add(new Field("id", "d4", Field.Store.YES, Field.Index.NOT_ANALYZED));                 //Field.Keyword("id", "d4"));
                d4.Add(new Field("hed", "albino", Field.Store.YES, Field.Index.ANALYZED));                //Field.Text("hed", "albino"));
                d4.Add(new Field("hed", "elephant", Field.Store.YES, Field.Index.ANALYZED));              //Field.Text("hed", "elephant"));
                d4.Add(new Field("dek", "albino", Field.Store.YES, Field.Index.ANALYZED));                //Field.Text("dek", "albino"));
                writer.AddDocument(d4, null);
            }

            writer.Close();

            r            = IndexReader.Open(index, true, null);
            s            = new IndexSearcher(r);
            s.Similarity = sim;
        }
Ejemplo n.º 48
0
        public void Test_Index_ReusableStringReader()
        {
            Lucene.Net.Index.IndexWriter wr = new Lucene.Net.Index.IndexWriter(new Lucene.Net.Store.RAMDirectory(), new TestAnalyzer(), true, IndexWriter.MaxFieldLength.UNLIMITED);

            Lucene.Net.Documents.Document doc = new Lucene.Net.Documents.Document();
            Lucene.Net.Documents.Field    f1  = new Lucene.Net.Documents.Field("f1", TEST_STRING, Lucene.Net.Documents.Field.Store.YES, Lucene.Net.Documents.Field.Index.ANALYZED);
            doc.Add(f1);
            wr.AddDocument(doc);

            wr.Close();
        }
Ejemplo n.º 49
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        public override void  SetUp()
        {
            base.SetUp();
            RAMDirectory directory = new RAMDirectory();
            IndexWriter  writer    = new IndexWriter(directory, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED, null);

            for (int i = 0; i < docFields.Length; i++)
            {
                Document document = new Document();
                document.Add(new Field(field, docFields[i], Field.Store.NO, Field.Index.ANALYZED));
                writer.AddDocument(document, null);
            }
            writer.Close();
            searcher = new IndexSearcher(directory, true, null);

            // Make big index
            dir2 = new MockRAMDirectory(directory);

            // First multiply small test index:
            mulFactor = 1;
            int docCount = 0;

            do
            {
                Directory   copy        = new RAMDirectory(dir2, null);
                IndexWriter indexWriter = new IndexWriter(dir2, new WhitespaceAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED, null);
                indexWriter.AddIndexesNoOptimize(null, new[] { copy });
                docCount = indexWriter.MaxDoc();
                indexWriter.Close();
                mulFactor *= 2;
            } while (docCount < 3000);

            IndexWriter w   = new IndexWriter(dir2, new WhitespaceAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED, null);
            Document    doc = new Document();

            doc.Add(new Field("field2", "xxx", Field.Store.NO, Field.Index.ANALYZED));
            for (int i = 0; i < NUM_EXTRA_DOCS / 2; i++)
            {
                w.AddDocument(doc, null);
            }
            doc = new Document();
            doc.Add(new Field("field2", "big bad bug", Field.Store.NO, Field.Index.ANALYZED));
            for (int i = 0; i < NUM_EXTRA_DOCS / 2; i++)
            {
                w.AddDocument(doc, null);
            }
            // optimize to 1 segment
            w.Optimize(null);
            reader = w.GetReader(null);
            w.Close();
            bigSearcher = new IndexSearcher(reader);
        }
Ejemplo n.º 50
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        public virtual void  TestSetBufferSize()
        {
            System.IO.DirectoryInfo indexDir = new System.IO.DirectoryInfo(System.IO.Path.Combine(AppSettings.Get("tempDir", ""), "testSetBufferSize"));
            MockFSDirectory         dir      = new MockFSDirectory(indexDir, NewRandom());

            try
            {
                IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED, null);
                writer.UseCompoundFile = false;
                for (int i = 0; i < 37; i++)
                {
                    Document doc = new Document();
                    doc.Add(new Field("content", "aaa bbb ccc ddd" + i, Field.Store.YES, Field.Index.ANALYZED));
                    doc.Add(new Field("id", "" + i, Field.Store.YES, Field.Index.ANALYZED));
                    writer.AddDocument(doc, null);
                }
                writer.Close();

                dir.allIndexInputs.Clear();

                IndexReader reader = IndexReader.Open((Directory)dir, false, null);
                Term        aaa    = new Term("content", "aaa");
                Term        bbb    = new Term("content", "bbb");
                Term        ccc    = new Term("content", "ccc");
                Assert.AreEqual(37, reader.DocFreq(ccc, null));
                reader.DeleteDocument(0, null);
                Assert.AreEqual(37, reader.DocFreq(aaa, null));
                dir.tweakBufferSizes();
                reader.DeleteDocument(4, null);
                Assert.AreEqual(reader.DocFreq(bbb, null), 37);
                dir.tweakBufferSizes();

                IndexSearcher searcher = new IndexSearcher(reader);
                ScoreDoc[]    hits     = searcher.Search(new TermQuery(bbb), null, 1000, null).ScoreDocs;
                dir.tweakBufferSizes();
                Assert.AreEqual(35, hits.Length);
                dir.tweakBufferSizes();
                hits = searcher.Search(new TermQuery(new Term("id", "33")), null, 1000, null).ScoreDocs;
                dir.tweakBufferSizes();
                Assert.AreEqual(1, hits.Length);
                hits = searcher.Search(new TermQuery(aaa), null, 1000, null).ScoreDocs;
                dir.tweakBufferSizes();
                Assert.AreEqual(35, hits.Length);
                searcher.Close();
                reader.Close();
            }
            finally
            {
                _TestUtil.RmDir(indexDir);
            }
        }
Ejemplo n.º 51
0
        public override void  SetUp()
        {
            base.SetUp();
            RAMDirectory directory = new RAMDirectory();
            IndexWriter  writer    = new IndexWriter(directory, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED, null);

            for (int i = 0; i < docFields.Length; i++)
            {
                Document doc = new Document();
                doc.Add(new Field(field, docFields[i], Field.Store.YES, Field.Index.ANALYZED));
                writer.AddDocument(doc, null);
            }
            writer.Close();
            searcher = new IndexSearcher(directory, true, null);
        }
Ejemplo n.º 52
0
        public override void  SetUp()
        {
            base.SetUp();

            // create test index
            IndexWriter writer = new IndexWriter(mDirectory, new StandardAnalyzer(Util.Version.LUCENE_CURRENT), false, IndexWriter.MaxFieldLength.LIMITED, null);

            addDocument(writer, "A", "Should we, could we, would we?");
            addDocument(writer, "B", "it should.  Should it?");
            addDocument(writer, "C", "it shouldn't.");
            addDocument(writer, "D", "Should we, should we, should we.");
            writer.Close();

            // re-open the searcher since we added more docs
            searcher2 = new IndexSearcher(mDirectory, true, null);
        }
Ejemplo n.º 53
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        public override void  SetUp()
        {
            base.SetUp();
            IndexWriter writer = new IndexWriter(directory, new SimpleAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED, null);

            //writer.setUseCompoundFile(false);
            //writer.infoStream = System.out;
            for (int i = 0; i < numDocs; i++)
            {
                Document   doc = new Document();
                IFieldable fld = new Field("field", English.IntToEnglish(i), Field.Store.YES, Field.Index.NOT_ANALYZED, Field.TermVector.YES);
                doc.Add(fld);
                writer.AddDocument(doc, null);
            }
            writer.Close();
        }
Ejemplo n.º 54
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        public override void  SetUp()
        {
            base.SetUp();
            directory = new RAMDirectory();
            IndexWriter writer = new IndexWriter(directory, new SimpleAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED, null);

            Document doc = new Document();

            doc.Add(new Field("partnum", "Q36", Field.Store.YES, Field.Index.NOT_ANALYZED));
            doc.Add(new Field("description", "Illidium Space Modulator", Field.Store.YES, Field.Index.ANALYZED));
            writer.AddDocument(doc, null);

            writer.Close();

            searcher = new IndexSearcher(directory, true, null);
        }
Ejemplo n.º 55
0
        // test using a sparse index (with deleted docs). The DocIdSet should be not cacheable, as it uses TermDocs if the range contains 0
        public void TestSparseIndex()
        {
            RAMDirectory dir    = new RAMDirectory();
            IndexWriter  writer = new IndexWriter(dir, new SimpleAnalyzer(), T, IndexWriter.MaxFieldLength.LIMITED, null);

            for (int d = -20; d <= 20; d++)
            {
                Document doc = new Document();
                doc.Add(new Field("id", d.ToString(), Field.Store.NO, Field.Index.NOT_ANALYZED));
                doc.Add(new Field("body", "body", Field.Store.NO, Field.Index.NOT_ANALYZED));
                writer.AddDocument(doc, null);
            }

            writer.Optimize(null);
            writer.DeleteDocuments(null, new Term("id", "0"));
            writer.Close();

            IndexReader   reader = IndexReader.Open((Directory)dir, true, null);
            IndexSearcher Search = new IndexSearcher(reader);

            Assert.True(reader.HasDeletions);

            ScoreDoc[] result;
            Query      q = new TermQuery(new Term("body", "body"));

            FieldCacheRangeFilter <sbyte?> fcrf;

            result = Search.Search(q, fcrf = FieldCacheRangeFilter.NewByteRange("id", -20, 20, T, T), 100, null).ScoreDocs;
            Assert.False(fcrf.GetDocIdSet(reader.GetSequentialSubReaders()[0], null).IsCacheable, "DocIdSet must be not cacheable");
            Assert.AreEqual(40, result.Length, "find all");

            result = Search.Search(q, fcrf = FieldCacheRangeFilter.NewByteRange("id", 0, 20, T, T), 100, null).ScoreDocs;
            Assert.False(fcrf.GetDocIdSet(reader.GetSequentialSubReaders()[0], null).IsCacheable, "DocIdSet must be not cacheable");
            Assert.AreEqual(20, result.Length, "find all");

            result = Search.Search(q, fcrf = FieldCacheRangeFilter.NewByteRange("id", -20, 0, T, T), 100, null).ScoreDocs;
            Assert.False(fcrf.GetDocIdSet(reader.GetSequentialSubReaders()[0], null).IsCacheable, "DocIdSet must be not cacheable");
            Assert.AreEqual(20, result.Length, "find all");

            result = Search.Search(q, fcrf = FieldCacheRangeFilter.NewByteRange("id", 10, 20, T, T), 100, null).ScoreDocs;
            Assert.True(fcrf.GetDocIdSet(reader.GetSequentialSubReaders()[0], null).IsCacheable, "DocIdSet must be not cacheable");
            Assert.AreEqual(11, result.Length, "find all");

            result = Search.Search(q, fcrf = FieldCacheRangeFilter.NewByteRange("id", -20, -10, T, T), 100, null).ScoreDocs;
            Assert.True(fcrf.GetDocIdSet(reader.GetSequentialSubReaders()[0], null).IsCacheable, "DocIdSet must be not cacheable");
            Assert.AreEqual(11, result.Length, "find all");
        }
Ejemplo n.º 56
0
        public virtual void  TestReadOnlyCloneAfterOptimize()
        {
            Directory dir1 = new MockRAMDirectory();

            TestIndexReaderReopen.CreateIndex(dir1, true);
            IndexReader reader1 = IndexReader.Open(dir1, false, null);
            IndexWriter w       = new IndexWriter(dir1, new SimpleAnalyzer(), IndexWriter.MaxFieldLength.LIMITED, null);

            w.Optimize(null);
            w.Close();
            IndexReader reader2 = reader1.Clone(true, null);

            Assert.IsTrue(IsReadOnly(reader2));
            reader1.Close();
            reader2.Close();
            dir1.Close();
        }
Ejemplo n.º 57
0
        public virtual void  TestBinaryFieldInIndex()
        {
            IFieldable binaryFldStored = new Field("binaryStored", System.Text.UTF8Encoding.UTF8.GetBytes(binaryValStored), Field.Store.YES);
            IFieldable stringFldStored = new Field("stringStored", binaryValStored, Field.Store.YES, Field.Index.NO, Field.TermVector.NO);

            // binary fields with store off are not allowed
            Assert.Throws <ArgumentException>(
                () => new Field("fail", System.Text.Encoding.UTF8.GetBytes(binaryValStored), Field.Store.NO));

            Document doc = new Document();

            doc.Add(binaryFldStored);

            doc.Add(stringFldStored);

            /* test for field count */
            Assert.AreEqual(2, doc.fields_ForNUnit.Count);

            /* add the doc to a ram index */
            MockRAMDirectory dir    = new MockRAMDirectory();
            IndexWriter      writer = new IndexWriter(dir, new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_CURRENT), true, IndexWriter.MaxFieldLength.LIMITED, null);

            writer.AddDocument(doc, null);
            writer.Close();

            /* open a reader and fetch the document */
            IndexReader reader        = IndexReader.Open((Directory)dir, false, null);
            Document    docFromReader = reader.Document(0, null);

            Assert.IsTrue(docFromReader != null);

            /* fetch the binary stored field and compare it's content with the original one */
            System.String binaryFldStoredTest = new System.String(System.Text.UTF8Encoding.UTF8.GetChars(docFromReader.GetBinaryValue("binaryStored", null)));
            Assert.IsTrue(binaryFldStoredTest.Equals(binaryValStored));

            /* fetch the string field and compare it's content with the original one */
            System.String stringFldStoredTest = docFromReader.Get("stringStored", null);
            Assert.IsTrue(stringFldStoredTest.Equals(binaryValStored));

            /* delete the document from index */
            reader.DeleteDocument(0, null);
            Assert.AreEqual(0, reader.NumDocs());

            reader.Close();
            dir.Close();
        }
Ejemplo n.º 58
0
        static TestNumericRangeQuery32()
        {
            {
                try
                {
                    // set the theoretical maximum term count for 8bit (see docs for the number)
                    BooleanQuery.MaxClauseCount = 3 * 255 * 2 + 255;

                    directory = new RAMDirectory();
                    IndexWriter writer = new IndexWriter(directory, new WhitespaceAnalyzer(), true, MaxFieldLength.UNLIMITED, null);

                    NumericField field8 = new NumericField("field8", 8, Field.Store.YES, true), field4 = new NumericField("field4", 4, Field.Store.YES, true), field2 = new NumericField("field2", 2, Field.Store.YES, true), fieldNoTrie = new NumericField("field" + System.Int32.MaxValue, System.Int32.MaxValue, Field.Store.YES, true), ascfield8 = new NumericField("ascfield8", 8, Field.Store.NO, true), ascfield4 = new NumericField("ascfield4", 4, Field.Store.NO, true), ascfield2 = new NumericField("ascfield2", 2, Field.Store.NO, true);

                    Document doc = new Document();
                    // add fields, that have a distance to test general functionality
                    doc.Add(field8); doc.Add(field4); doc.Add(field2); doc.Add(fieldNoTrie);
                    // add ascending fields with a distance of 1, beginning at -noDocs/2 to test the correct splitting of range and inclusive/exclusive
                    doc.Add(ascfield8); doc.Add(ascfield4); doc.Add(ascfield2);

                    // Add a series of noDocs docs with increasing int values
                    for (int l = 0; l < noDocs; l++)
                    {
                        int val = distance * l + startOffset;
                        field8.SetIntValue(val);
                        field4.SetIntValue(val);
                        field2.SetIntValue(val);
                        fieldNoTrie.SetIntValue(val);

                        val = l - (noDocs / 2);
                        ascfield8.SetIntValue(val);
                        ascfield4.SetIntValue(val);
                        ascfield2.SetIntValue(val);
                        writer.AddDocument(doc, null);
                    }

                    writer.Optimize(null);
                    writer.Close();
                    searcher = new IndexSearcher(directory, true, null);
                }
                catch (System.Exception e)
                {
                    throw new System.SystemException("", e);
                }
            }
        }
        public virtual void  TestHangOnClose()
        {
            Directory   dir    = new MockRAMDirectory();
            IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);

            writer.SetMergePolicy(new LogByteSizeMergePolicy(writer));
            writer.SetMaxBufferedDocs(5);
            writer.SetUseCompoundFile(false);
            writer.SetMergeFactor(100);

            Document doc = new Document();

            doc.Add(new Field("content", "aaa bbb ccc ddd eee fff ggg hhh iii", Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
            for (int i = 0; i < 60; i++)
            {
                writer.AddDocument(doc);
            }
            writer.SetMaxBufferedDocs(200);
            Document doc2 = new Document();

            doc2.Add(new Field("content", "aaa bbb ccc ddd eee fff ggg hhh iii", Field.Store.YES, Field.Index.NO));
            doc2.Add(new Field("content", "aaa bbb ccc ddd eee fff ggg hhh iii", Field.Store.YES, Field.Index.NO));
            doc2.Add(new Field("content", "aaa bbb ccc ddd eee fff ggg hhh iii", Field.Store.YES, Field.Index.NO));
            doc2.Add(new Field("content", "aaa bbb ccc ddd eee fff ggg hhh iii", Field.Store.YES, Field.Index.NO));
            for (int i = 0; i < 10; i++)
            {
                writer.AddDocument(doc2);
            }
            writer.Close();

            Directory dir2 = new MockRAMDirectory();

            writer = new IndexWriter(dir2, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
            LogByteSizeMergePolicy lmp = new LogByteSizeMergePolicy(writer);

            lmp.SetMinMergeMB(0.0001);
            writer.SetMergePolicy(lmp);
            writer.SetMergeFactor(4);
            writer.SetUseCompoundFile(false);
            writer.SetMergeScheduler(new SerialMergeScheduler());
            writer.AddIndexesNoOptimize(new Directory[] { dir });
            writer.Close();
            dir.Close();
            dir2.Close();
        }
Ejemplo n.º 60
0
        public virtual void  TestFlushExceptions()
        {
            MockRAMDirectory directory = new MockRAMDirectory();
            FailOnlyOnFlush  failure   = new FailOnlyOnFlush();

            directory.FailOn(failure);

            IndexWriter writer           = new IndexWriter(directory, true, ANALYZER, true);
            ConcurrentMergeScheduler cms = new ConcurrentMergeScheduler();

            writer.SetMergeScheduler(cms);
            writer.SetMaxBufferedDocs(2);
            Document doc     = new Document();
            Field    idField = new Field("id", "", Field.Store.YES, Field.Index.NOT_ANALYZED);

            doc.Add(idField);
            for (int i = 0; i < 10; i++)
            {
                for (int j = 0; j < 20; j++)
                {
                    idField.SetValue(System.Convert.ToString(i * 20 + j));
                    writer.AddDocument(doc);
                }

                writer.AddDocument(doc);

                failure.SetDoFail();
                try
                {
                    writer.Flush();
                    Assert.Fail("failed to hit IOException");
                }
                catch (System.IO.IOException ioe)
                {
                    failure.ClearDoFail();
                }
            }

            writer.Close();
            IndexReader reader = IndexReader.Open(directory);

            Assert.AreEqual(200, reader.NumDocs());
            reader.Close();
            directory.Close();
        }