C# RandomIndexWriter.Dispose方法代码示例

 public override void SetUp()
 {
     base.SetUp();
     dir = NewDirectory();
     IndexWriterConfig iwc = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer
         (Random()));
     iwc.SetMergePolicy(NewLogMergePolicy());
     var iw = new RandomIndexWriter(Random(), dir, iwc);
     var doc = new Document
     {
         NewStringField("id", "1", Field.Store.YES),
         NewTextField("body", "some contents and more contents", Field.Store.NO),
         new NumericDocValuesField("popularity", 5)
     };
     iw.AddDocument(doc);
     doc = new Document
     {
         NewStringField("id", "2", Field.Store.YES),
         NewTextField("body", "another document with different contents", Field.Store
             .NO),
         new NumericDocValuesField("popularity", 20)
     };
     iw.AddDocument(doc);
     doc = new Document
     {
         NewStringField("id", "3", Field.Store.YES),
         NewTextField("body", "crappy contents", Field.Store.NO),
         new NumericDocValuesField("popularity", 2)
     };
     iw.AddDocument(doc);
     iw.ForceMerge(1);
     reader = iw.Reader;
     iw.Dispose();
 }

        public void TestFieldNotPresent()
        {
            Directory dir = NewDirectory();
            RandomIndexWriter w = new RandomIndexWriter(Random(), dir, Similarity, TimeZone);
            int num = AtLeast(3);
            int skip = Random().Next(num);
            var terms = new List<Term>();
            for (int i = 0; i < num; i++)
            {
                terms.Add(new Term("field" + i, "content1"));
                Document doc = new Document();
                if (skip == i)
                {
                    continue;
                }
                doc.Add(NewStringField("field" + i, "content1", Field.Store.YES));
                w.AddDocument(doc);
            }

            w.ForceMerge(1);
            IndexReader reader = w.Reader;
            w.Dispose();
            assertEquals(1, reader.Leaves.size());

            AtomicReaderContext context = reader.Leaves.First();
            TermsFilter tf = new TermsFilter(terms);

            FixedBitSet bits = (FixedBitSet)tf.GetDocIdSet(context, context.AtomicReader.LiveDocs);
            assertEquals("Must be num fields - 1 since we skip only one field", num - 1, bits.Cardinality());
            reader.Dispose();
            dir.Dispose();
        }

        public virtual void TestRollbackIntegrityWithBufferFlush()
        {
            Directory dir = NewDirectory();
            RandomIndexWriter rw = new RandomIndexWriter(Random(), dir);
            for (int i = 0; i < 5; i++)
            {
                Document doc = new Document();
                doc.Add(NewStringField("pk", Convert.ToString(i), Field.Store.YES));
                rw.AddDocument(doc);
            }
            rw.Dispose();

            // If buffer size is small enough to cause a flush, errors ensue...
            IndexWriter w = new IndexWriter(dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())).SetMaxBufferedDocs(2).SetOpenMode(IndexWriterConfig.OpenMode_e.APPEND));

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

            IndexReader r = DirectoryReader.Open(dir);
            Assert.AreEqual(5, r.NumDocs, "index should contain same number of docs post rollback");
            r.Dispose();
            dir.Dispose();
        }

 public virtual void Test()
 {
     Directory dir = NewDirectory();
     IndexWriterConfig conf = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random()));
     conf.SetCodec(new Lucene46Codec());
     RandomIndexWriter riw = new RandomIndexWriter(Random(), dir, conf);
     Document doc = new Document();
     // these fields should sometimes get term vectors, etc
     Field idField = NewStringField("id", "", Field.Store.NO);
     Field bodyField = NewTextField("body", "", Field.Store.NO);
     Field dvField = new NumericDocValuesField("dv", 5);
     doc.Add(idField);
     doc.Add(bodyField);
     doc.Add(dvField);
     for (int i = 0; i < 100; i++)
     {
         idField.StringValue = Convert.ToString(i);
         bodyField.StringValue = TestUtil.RandomUnicodeString(Random());
         riw.AddDocument(doc);
         if (Random().Next(7) == 0)
         {
             riw.Commit();
         }
         // TODO: we should make a new format with a clean header...
         // if (Random().nextInt(20) == 0) {
         //  riw.DeleteDocuments(new Term("id", Integer.toString(i)));
         // }
     }
     riw.Dispose();
     CheckHeaders(dir);
     dir.Dispose();
 }

        public void BeforeClass()
        {
            Directory = NewDirectory();
            RandomIndexWriter writer = new RandomIndexWriter(Random(), Directory, Similarity, TimeZone);

            Document doc = new Document();
            Field field = NewStringField(FIELD, "meaninglessnames", Field.Store.NO);
            doc.Add(field);

            for (int i = 0; i < 5137; ++i)
            {
                writer.AddDocument(doc);
            }

            field.StringValue = "tangfulin";
            writer.AddDocument(doc);

            field.StringValue = "meaninglessnames";
            for (int i = 5138; i < 11377; ++i)
            {
                writer.AddDocument(doc);
            }

            field.StringValue = "tangfulin";
            writer.AddDocument(doc);

            Reader = writer.Reader;
            Searcher = NewSearcher(Reader);
            writer.Dispose();
        }

        public override void SetUp()
        {
            base.SetUp();
            Dir = NewDirectory();
            RandomIndexWriter writer = new RandomIndexWriter(Random(), Dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())).SetMaxBufferedDocs(TestUtil.NextInt(Random(), 50, 1000)));

            Document doc = new Document();
            FieldType customType = new FieldType(TextField.TYPE_STORED);
            customType.OmitNorms = true;
            Field field = NewField("field", "", customType);
            doc.Add(field);

            NumberFormatInfo df = new NumberFormatInfo();
            df.NumberDecimalDigits = 0;

            //NumberFormat df = new DecimalFormat("000", new DecimalFormatSymbols(Locale.ROOT));
            for (int i = 0; i < 1000; i++)
            {
                field.StringValue = i.ToString(df);
                writer.AddDocument(doc);
            }

            Reader = writer.Reader;
            writer.Dispose();
            Searcher = NewSearcher(Reader);
        }

        public void TestInternalLevenshteinDistance()
        {
            DirectSpellChecker spellchecker = new DirectSpellChecker();
            Directory dir = NewDirectory();
            RandomIndexWriter writer = new RandomIndexWriter(Random(), dir,
                new MockAnalyzer(Random(), MockTokenizer.KEYWORD, true), Similarity, TimeZone);

            string[] termsToAdd = { "metanoia", "metanoian", "metanoiai", "metanoias", "metanoi𐑍" };
            for (int i = 0; i < termsToAdd.Length; i++)
            {
                Document doc = new Document();
                doc.Add(NewTextField("repentance", termsToAdd[i], Field.Store.NO));
                writer.AddDocument(doc);
            }

            IndexReader ir = writer.Reader;
            string misspelled = "metanoix";
            SuggestWord[] similar = spellchecker.SuggestSimilar(new Term("repentance", misspelled), 4, ir, SuggestMode.SUGGEST_WHEN_NOT_IN_INDEX);
            assertTrue(similar.Length == 4);

            IStringDistance sd = spellchecker.Distance;
            assertTrue(sd is LuceneLevenshteinDistance);
            foreach (SuggestWord word in similar)
            {
                assertTrue(word.Score == sd.GetDistance(word.String, misspelled));
                assertTrue(word.Score == sd.GetDistance(misspelled, word.String)); // LUCNENET TODO: Perhaps change this to word.ToString()?
            }

            ir.Dispose();
            writer.Dispose();
            dir.Dispose();
        }

        public void BeforeClass()
        {
            Dir = NewDirectory();
            Sdir1 = NewDirectory();
            Sdir2 = NewDirectory();
            RandomIndexWriter writer = new RandomIndexWriter(Random(), Dir, new MockAnalyzer(Random()), Similarity, TimeZone);
            RandomIndexWriter swriter1 = new RandomIndexWriter(Random(), Sdir1, new MockAnalyzer(Random()), Similarity, TimeZone);
            RandomIndexWriter swriter2 = new RandomIndexWriter(Random(), Sdir2, new MockAnalyzer(Random()), Similarity, TimeZone);

            for (int i = 0; i < 10; i++)
            {
                Document doc = new Document();
                doc.Add(NewStringField("data", Convert.ToString(i), Field.Store.NO));
                writer.AddDocument(doc);
                ((i % 2 == 0) ? swriter1 : swriter2).AddDocument(doc);
            }
            writer.ForceMerge(1);
            swriter1.ForceMerge(1);
            swriter2.ForceMerge(1);
            writer.Dispose();
            swriter1.Dispose();
            swriter2.Dispose();

            Reader = DirectoryReader.Open(Dir);
            Searcher = NewSearcher(Reader);

            MultiReader = new MultiReader(new IndexReader[] { DirectoryReader.Open(Sdir1), DirectoryReader.Open(Sdir2) }, true);
            MultiSearcher = NewSearcher(MultiReader);

            MultiReaderDupls = new MultiReader(new IndexReader[] { DirectoryReader.Open(Sdir1), DirectoryReader.Open(Dir) }, true);
            MultiSearcherDupls = NewSearcher(MultiReaderDupls);
        }

        public virtual void TestString()
        {
            Directory dir = NewDirectory();
            RandomIndexWriter writer = new RandomIndexWriter(Random(), dir);
            Document doc = new Document();
            doc.Add(NewStringField("value", "foo", Field.Store.YES));
            writer.AddDocument(doc);
            doc = new Document();
            doc.Add(NewStringField("value", "bar", Field.Store.YES));
            writer.AddDocument(doc);
            IndexReader ir = writer.Reader;
            writer.Dispose();

            IndexSearcher searcher = NewSearcher(ir);
            Sort sort = new Sort(new SortField("value", SortField.Type_e.STRING));

            TopDocs td = searcher.Search(new MatchAllDocsQuery(), 10, sort);
            Assert.AreEqual(2, td.TotalHits);
            // 'bar' comes before 'foo'
            Assert.AreEqual("bar", searcher.Doc(td.ScoreDocs[0].Doc).Get("value"));
            Assert.AreEqual("foo", searcher.Doc(td.ScoreDocs[1].Doc).Get("value"));

            ir.Dispose();
            dir.Dispose();
        }

        public override void SetUp()
        {
            base.SetUp();
            // we generate aweful regexps: good for testing.
            // but for preflex codec, the test can be very slow, so use less iterations.
            NumIterations = Codec.Default.Name.Equals("Lucene3x") ? 10 * RANDOM_MULTIPLIER : AtLeast(50);
            Dir = NewDirectory();
            RandomIndexWriter writer = new RandomIndexWriter(Random(), Dir, (IndexWriterConfig)NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random(), MockTokenizer.KEYWORD, false)).SetMaxBufferedDocs(TestUtil.NextInt(Random(), 50, 1000)));
            Document doc = new Document();
            Field field = NewStringField("field", "", Field.Store.YES);
            doc.Add(field);
            Terms = new SortedSet<BytesRef>();

            int num = AtLeast(200);
            for (int i = 0; i < num; i++)
            {
                string s = TestUtil.RandomUnicodeString(Random());
                field.StringValue = s;
                Terms.Add(new BytesRef(s));
                writer.AddDocument(doc);
            }

            TermsAutomaton = BasicAutomata.MakeStringUnion(Terms);

            Reader = writer.Reader;
            Searcher = NewSearcher(Reader);
            writer.Dispose();
        }

        public virtual void TestMethod()
        {
            Directory directory = NewDirectory();

            string[] values = new string[] { "1", "2", "3", "4" };

            RandomIndexWriter writer = new RandomIndexWriter(Random(), directory, Similarity, TimeZone);
            for (int i = 0; i < values.Length; i++)
            {
                Document doc = new Document();
                doc.Add(NewStringField(FIELD, values[i], Field.Store.YES));
                writer.AddDocument(doc);
            }
            IndexReader ir = writer.Reader;
            writer.Dispose();

            BooleanQuery booleanQuery1 = new BooleanQuery();
            booleanQuery1.Add(new TermQuery(new Term(FIELD, "1")), BooleanClause.Occur.SHOULD);
            booleanQuery1.Add(new TermQuery(new Term(FIELD, "2")), BooleanClause.Occur.SHOULD);

            BooleanQuery query = new BooleanQuery();
            query.Add(booleanQuery1, BooleanClause.Occur.MUST);
            query.Add(new TermQuery(new Term(FIELD, "9")), BooleanClause.Occur.MUST_NOT);

            IndexSearcher indexSearcher = NewSearcher(ir);
            ScoreDoc[] hits = indexSearcher.Search(query, null, 1000).ScoreDocs;
            Assert.AreEqual(2, hits.Length, "Number of matched documents");
            ir.Dispose();
            directory.Dispose();
        }

        public void TestReverse()
        {
            Directory dir = NewDirectory();
            RandomIndexWriter writer = new RandomIndexWriter(Random(), dir, Similarity, TimeZone);
            Document doc = new Document();
            doc.Add(NewStringField("value", "foo", Field.Store.NO));
            doc.Add(NewStringField("value", "bar", Field.Store.NO));
            doc.Add(NewStringField("id", "1", Field.Store.YES));
            writer.AddDocument(doc);
            doc = new Document();
            doc.Add(NewStringField("value", "baz", Field.Store.NO));
            doc.Add(NewStringField("id", "2", Field.Store.YES));
            writer.AddDocument(doc);

            IndexReader ir = writer.Reader;
            writer.Dispose();

            IndexSearcher searcher = NewSearcher(ir);
            Sort sort = new Sort(new SortedSetSortField("value", true));

            TopDocs td = searcher.Search(new MatchAllDocsQuery(), 10, sort);
            assertEquals(2, td.TotalHits);
            // 'bar' comes before 'baz'
            assertEquals("2", searcher.Doc(td.ScoreDocs[0].Doc).Get("id"));
            assertEquals("1", searcher.Doc(td.ScoreDocs[1].Doc).Get("id"));

            ir.Dispose();
            dir.Dispose();
        }

        public override void SetUp()
        {
            base.SetUp();
            dir = NewDirectory();
            var iw = new RandomIndexWriter(Random(), dir, Similarity, TimeZone);
            int numDocs = TestUtil.NextInt(Random(), 2049, 4000);
            for (int i = 0; i < numDocs; i++)
            {
                var document = new Document
				{
				    NewTextField("english", English.IntToEnglish(i), Field.Store.NO),
				    NewTextField("oddeven", (i%2 == 0) ? "even" : "odd", Field.Store.NO
				        ),
				    NewStringField("byte", string.Empty + (unchecked((byte) Random().Next
				        ())), Field.Store.NO),
				    NewStringField("short", string.Empty + ((short) Random().Next()), Field.Store
				        .NO),
				    new IntField("int", Random().Next(), Field.Store.NO),
				    new LongField("long", Random().NextLong(), Field.Store.NO),
				    new FloatField("float", Random().NextFloat(), Field.Store.NO),
				    new DoubleField("double", Random().NextDouble(), Field.Store.NO),
				    new NumericDocValuesField("intdocvalues", Random().Next()),
				    new FloatDocValuesField("floatdocvalues", Random().NextFloat())
				};
                iw.AddDocument(document);
            }
            reader = iw.Reader;
            iw.Dispose();
            searcher = NewSearcher(reader);
        }

		public override void SetUp()
		{
			base.SetUp();
			dir = NewDirectory();
			var iw = new RandomIndexWriter(Random(), dir, Similarity, TimeZone);
			var doc = new Document
			{
			    NewStringField("id", "1", Field.Store.YES),
			    NewTextField("body", "some contents and more contents", Field.Store.NO),
			    new NumericDocValuesField("popularity", 5)
			};
		    iw.AddDocument(doc);
			doc = new Document
			{
			    NewStringField("id", "2", Field.Store.YES),
			    NewTextField("body", "another document with different contents", Field.Store
			        .NO),
			    new NumericDocValuesField("popularity", 20)
			};
		    iw.AddDocument(doc);
			doc = new Document
			{
			    NewStringField("id", "3", Field.Store.YES),
			    NewTextField("body", "crappy contents", Field.Store.NO),
			    new NumericDocValuesField("popularity", 2)
			};
		    iw.AddDocument(doc);
			reader = iw.Reader;
			searcher = new IndexSearcher(reader);
			iw.Dispose();
		}

        public virtual void TestPrefixQuery_Mem()
        {
            Directory directory = NewDirectory();

            string[] categories = new string[] { "/Computers", "/Computers/Mac", "/Computers/Windows" };
            RandomIndexWriter writer = new RandomIndexWriter(Random(), directory, Similarity, TimeZone);
            for (int i = 0; i < categories.Length; i++)
            {
                Document doc = new Document();
                doc.Add(NewStringField("category", categories[i], Field.Store.YES));
                writer.AddDocument(doc);
            }
            IndexReader reader = writer.Reader;

            PrefixQuery query = new PrefixQuery(new Term("category", "/Computers"));
            IndexSearcher searcher = NewSearcher(reader);
            ScoreDoc[] hits = searcher.Search(query, null, 1000).ScoreDocs;
            Assert.AreEqual(3, hits.Length, "All documents in /Computers category and below");

            query = new PrefixQuery(new Term("category", "/Computers/Mac"));
            hits = searcher.Search(query, null, 1000).ScoreDocs;
            Assert.AreEqual(1, hits.Length, "One in /Computers/Mac");

            query = new PrefixQuery(new Term("category", ""));
            Terms terms = MultiFields.GetTerms(searcher.IndexReader, "category");
            Assert.IsFalse(query.GetTermsEnum(terms) is PrefixTermsEnum);
            hits = searcher.Search(query, null, 1000).ScoreDocs;
            Assert.AreEqual(3, hits.Length, "everything");
            writer.Dispose();
            reader.Dispose();
            directory.Dispose();
        }