Java IndexWriter.commit方法代碼示例

import org.apache.lucene.index.IndexWriter; //導入方法依賴的package包/類
public void testRamDirectory() throws IOException {
    long start = System.currentTimeMillis();
    IndexWriterConfig indexWriterConfig = new IndexWriterConfig(new WhitespaceAnalyzer()).setOpenMode(IndexWriterConfig
            .OpenMode.CREATE);
    RAMDirectory ramDirectory = new RAMDirectory();
    IndexWriter indexWriter = new IndexWriter(ramDirectory, indexWriterConfig);
    for (int i = 0; i < 10000000; i++) {
        indexWriter.addDocument(addDocument(i));
    }
    indexWriter.commit();
    indexWriter.close();
    long end = System.currentTimeMillis();
    log.error("RamDirectory consumes {}s!", (end - start) / 1000);
    start = System.currentTimeMillis();
    IndexSearcher indexSearcher = new IndexSearcher(DirectoryReader.open(ramDirectory));
    int total = 0;
    for (int i = 0; i < 10000000; i++) {
        TermQuery key1 = new TermQuery(new Term("key1", "key" + i));
        TopDocs search = indexSearcher.search(key1, 10);
        total += search.totalHits;
    }
    System.out.println(total);
    end = System.currentTimeMillis();
    log.error("RamDirectory search consumes {}ms!", (end - start));
}
 

import org.apache.lucene.index.IndexWriter; //導入方法依賴的package包/類
@Test
public void test() throws Exception {
    Path path = FileSystems.getDefault().getPath("", "index");
    Directory directory = FSDirectory.open(path);
    Analyzer analyzer = new StandardAnalyzer();
    IndexWriterConfig indexWriterConfig = new IndexWriterConfig(analyzer).setOpenMode(IndexWriterConfig.OpenMode.CREATE);
    IndexWriter indexWriter = new IndexWriter(directory, indexWriterConfig);
    Document document = new Document();
    document.add(new LegacyLongField("id", 5499, Field.Store.YES));
    document.add(new Field("title", "小米6", TYPE_STORED));
    document.add(new Field("sellPoint", "驍龍835，6G內存，雙攝！", TYPE_STORED));
    document.
    indexWriter.addDocument(document);
    indexWriter.commit();
    indexWriter.close();
}
 

import org.apache.lucene.index.IndexWriter; //導入方法依賴的package包/類
private void assertCompressionEquals(Mode expected, Codec actual) throws Exception {
    Directory dir = newDirectory();
    IndexWriterConfig iwc = newIndexWriterConfig(null);
    iwc.setCodec(actual);
    IndexWriter iw = new IndexWriter(dir, iwc);
    iw.addDocument(new Document());
    iw.commit();
    iw.close();
    DirectoryReader ir = DirectoryReader.open(dir);
    SegmentReader sr = (SegmentReader) ir.leaves().get(0).reader();
    String v = sr.getSegmentInfo().info.getAttribute(Lucene50StoredFieldsFormat.MODE_KEY);
    assertNotNull(v);
    assertEquals(expected, Mode.valueOf(v));
    ir.close();
    dir.close();
}
 

import org.apache.lucene.index.IndexWriter; //導入方法依賴的package包/類
public void testCanOpenIndex() throws IOException {
    final ShardId shardId = new ShardId("index", "_na_", 1);
    IndexWriterConfig iwc = newIndexWriterConfig();
    Path tempDir = createTempDir();
    final BaseDirectoryWrapper dir = newFSDirectory(tempDir);
    assertFalse(Store.canOpenIndex(logger, tempDir, shardId, (id, l) -> new DummyShardLock(id)));
    IndexWriter writer = new IndexWriter(dir, iwc);
    Document doc = new Document();
    doc.add(new StringField("id", "1", random().nextBoolean() ? Field.Store.YES : Field.Store.NO));
    writer.addDocument(doc);
    writer.commit();
    writer.close();
    assertTrue(Store.canOpenIndex(logger, tempDir, shardId, (id, l) -> new DummyShardLock(id)));

    DirectoryService directoryService = new DirectoryService(shardId, INDEX_SETTINGS) {

        @Override
        public Directory newDirectory() throws IOException {
            return dir;
        }
    };
    Store store = new Store(shardId, INDEX_SETTINGS, directoryService, new DummyShardLock(shardId));
    store.markStoreCorrupted(new CorruptIndexException("foo", "bar"));
    assertFalse(Store.canOpenIndex(logger, tempDir, shardId, (id, l) -> new DummyShardLock(id)));
    store.close();
}
 

import org.apache.lucene.index.IndexWriter; //導入方法依賴的package包/類
private void commitIndexWriter(IndexWriter writer, Translog translog, String syncId) throws IOException {
    try {
        Translog.TranslogGeneration translogGeneration = translog.getGeneration();
        logger.trace("committing writer with translog id [{}]  and sync id [{}] ", translogGeneration.translogFileGeneration, syncId);
        Map<String, String> commitData = new HashMap<>(2);
        commitData.put(Translog.TRANSLOG_GENERATION_KEY, Long.toString(translogGeneration.translogFileGeneration));
        commitData.put(Translog.TRANSLOG_UUID_KEY, translogGeneration.translogUUID);
        if (syncId != null) {
            commitData.put(Engine.SYNC_COMMIT_ID, syncId);
        }
        indexWriter.setCommitData(commitData);
        writer.commit();
    } catch (Throwable ex) {
        failEngine("lucene commit failed", ex);
        throw ex;
    }
}
 

import org.apache.lucene.index.IndexWriter; //導入方法依賴的package包/類
/**
 * Creates a new {@link IndexWriter} for the {@link #directory} and sets it to {@link #writer}.
 * If an {@link IOException} during creation will be thrown it will be logged and the old
 * {@link IndexWriter} will be kept.
 */
private void createWriter() {
	// create IndexWriter
	final IndexWriterConfig config = new IndexWriterConfig(IndexManager.LUCENE_VERSION, DEFAULT_ANALYZER);

	try {
		unlock();
		writer = new IndexWriter(directory, config);
		writer.commit();
	} catch (final IOException e) {
		LOGGER.error("Can't create IndexWriter for path "
				+ "{} because of an exception.", location.getAbsolutePath(), e);
	}
}
 

import org.apache.lucene.index.IndexWriter; //導入方法依賴的package包/類
public void
testRedisDirectoryWithRemoteJedisPool() throws IOException {
    long start = System.currentTimeMillis();
    IndexWriterConfig indexWriterConfig = new IndexWriterConfig(new WhitespaceAnalyzer()).setOpenMode(IndexWriterConfig
            .OpenMode.CREATE);
    JedisPool jedisPool = new JedisPool(new JedisPoolConfig(), "10.97.19.55", 6379, Constants.TIME_OUT);
    RedisDirectory redisDirectory = new RedisDirectory(new JedisPoolStream(jedisPool));
    IndexWriter indexWriter = new IndexWriter(redisDirectory, indexWriterConfig);
    for (int i = 0; i < 5000000; i++) {
        indexWriter.addDocument(addDocument(i));
    }
    indexWriter.commit();
    indexWriter.close();
    redisDirectory.close();
    long end = System.currentTimeMillis();
    log.error("RedisDirectoryWithJedisPool consumes {}s!", (end - start) / 1000);
    start = System.currentTimeMillis();
    IndexSearcher indexSearcher = new IndexSearcher(DirectoryReader.open(new RedisDirectory(new JedisStream("localhost",
            6379))));
    int total = 0;
    for (int i = 0; i < 1000000; i++) {
        TermQuery key1 = new TermQuery(new Term("key1", "key" + i));
        TopDocs search = indexSearcher.search(key1, 10);
        total += search.totalHits;
    }
    System.out.println(total);
    end = System.currentTimeMillis();
    log.error("RedisDirectoryWithJedisPool search consumes {}ms!", (end - start));
}
 

import org.apache.lucene.index.IndexWriter; //導入方法依賴的package包/類
public void testRedisDirectoryWithJedisPool() throws IOException {
    long start = System.currentTimeMillis();
    IndexWriterConfig indexWriterConfig = new IndexWriterConfig(new WhitespaceAnalyzer()).setOpenMode(IndexWriterConfig
            .OpenMode.CREATE);
    //indexWriterConfig.setInfoStream(System.out);
    //indexWriterConfig.setRAMBufferSizeMB(2048);
    //LogByteSizeMergePolicy logByteSizeMergePolicy = new LogByteSizeMergePolicy();
    //logByteSizeMergePolicy.setMinMergeMB(1);
    //logByteSizeMergePolicy.setMaxMergeMB(64);
    //logByteSizeMergePolicy.setMaxCFSSegmentSizeMB(64);
    //indexWriterConfig.setRAMBufferSizeMB(1024).setMergePolicy(logByteSizeMergePolicy).setUseCompoundFile(false);
    //GenericObjectPoolConfig genericObjectPoolConfig = new GenericObjectPoolConfig();
    //獲取連接等待時間
    //genericObjectPoolConfig.setMaxWaitMillis(3000);
    //10s超時時間
    JedisPool jedisPool = new JedisPool(new JedisPoolConfig(), "localhost", 6379, Constants.TIME_OUT);
    RedisDirectory redisDirectory = new RedisDirectory(new JedisPoolStream(jedisPool));
    IndexWriter indexWriter = new IndexWriter(redisDirectory, indexWriterConfig);
    for (int i = 0; i < 10000000; i++) {
        indexWriter.addDocument(addDocument(i));
    }
    indexWriter.commit();
    indexWriter.close();
    redisDirectory.close();
    long end = System.currentTimeMillis();
    log.error("RedisDirectoryWithJedisPool consumes {}s!", (end - start) / 1000);
    start = System.currentTimeMillis();
    IndexSearcher indexSearcher = new IndexSearcher(DirectoryReader.open(new RedisDirectory(new JedisStream("localhost",
            6379))));
    int total = 0;
    for (int i = 0; i < 10000000; i++) {
        TermQuery key1 = new TermQuery(new Term("key1", "key" + i));
        TopDocs search = indexSearcher.search(key1, 10);
        total += search.totalHits;
    }
    System.out.println(total);
    end = System.currentTimeMillis();
    log.error("RedisDirectoryWithJedisPool search consumes {}ms!", (end - start));
}
 

import org.apache.lucene.index.IndexWriter; //導入方法依賴的package包/類
public void testRedisDirectoryWithJedis() throws IOException {
    long start = System.currentTimeMillis();
    IndexWriterConfig indexWriterConfig = new IndexWriterConfig(new WhitespaceAnalyzer()).setOpenMode(IndexWriterConfig
            .OpenMode.CREATE);
    //indexWriterConfig.setInfoStream(System.out);
    //indexWriterConfig.setRAMBufferSizeMB(2048);
    //LogByteSizeMergePolicy logByteSizeMergePolicy = new LogByteSizeMergePolicy();
    //logByteSizeMergePolicy.setMinMergeMB(1);
    //logByteSizeMergePolicy.setMaxMergeMB(64);
    //logByteSizeMergePolicy.setMaxCFSSegmentSizeMB(64);
    //indexWriterConfig.setRAMBufferSizeMB(1024).setMergePolicy(logByteSizeMergePolicy).setUseCompoundFile(false);
    //GenericObjectPoolConfig genericObjectPoolConfig = new GenericObjectPoolConfig();
    //獲取連接等待時間
    //genericObjectPoolConfig.setMaxWaitMillis(3000);
    //10s超時時間
    RedisDirectory redisDirectory = new RedisDirectory(new JedisStream("localhost", 6379));
    IndexWriter indexWriter = new IndexWriter(redisDirectory, indexWriterConfig);
    for (int i = 0; i < 10000000; i++) {
        indexWriter.addDocument(addDocument(i));
    }
    indexWriter.commit();
    indexWriter.close();
    redisDirectory.close();
    long end = System.currentTimeMillis();
    log.error("RedisDirectoryWithJedis consumes {}s!", (end - start) / 1000);
    start = System.currentTimeMillis();
    IndexSearcher indexSearcher = new IndexSearcher(DirectoryReader.open(new RedisDirectory(new JedisStream("localhost",
            6379))));
    int total = 0;
    for (int i = 0; i < 10000000; i++) {
        TermQuery key1 = new TermQuery(new Term("key1", "key" + i));
        TopDocs search = indexSearcher.search(key1, 10);
        total += search.totalHits;
    }
    System.out.println(total);
    end = System.currentTimeMillis();
    log.error("RedisDirectoryWithJedis search consumes {}ms!", (end - start));
}
 

import org.apache.lucene.index.IndexWriter; //導入方法依賴的package包/類
@Before
public void initSearcher() throws IOException {
    dir = newDirectory();
    w = new IndexWriter(dir, newIndexWriterConfig(new StandardAnalyzer()));
    Document d = new Document();
    d.add(new TextField(FIELD, TEXT, Field.Store.YES));
    d.add(new TextField("_uid", "1", Field.Store.YES));
    w.addDocument(d);
    w.commit();
    reader = DirectoryReader.open(w);
    searcher = newSearcher(reader);
}
 

import org.apache.lucene.index.IndexWriter; //導入方法依賴的package包/類
public void testLoadGlobal_neverCacheIfFieldIsMissing() throws Exception {
    Directory dir = newDirectory();
    IndexWriterConfig iwc = new IndexWriterConfig(null);
    iwc.setMergePolicy(NoMergePolicy.INSTANCE);
    IndexWriter iw = new IndexWriter(dir, iwc);
    long numDocs = scaledRandomIntBetween(32, 128);

    for (int i = 1; i <= numDocs; i++) {
        Document doc = new Document();
        doc.add(new SortedSetDocValuesField("field1", new BytesRef(String.valueOf(i))));
        doc.add(new StringField("field2", String.valueOf(i), Field.Store.NO));
        iw.addDocument(doc);
        if (i % 24 == 0) {
            iw.commit();
        }
    }
    iw.close();
    DirectoryReader ir = ElasticsearchDirectoryReader.wrap(DirectoryReader.open(dir), new ShardId("_index", "_na_", 0));

    DummyAccountingFieldDataCache fieldDataCache = new DummyAccountingFieldDataCache();
    // Testing SortedSetDVOrdinalsIndexFieldData:
    SortedSetDVOrdinalsIndexFieldData sortedSetDVOrdinalsIndexFieldData = createSortedDV("field1", fieldDataCache);
    sortedSetDVOrdinalsIndexFieldData.loadGlobal(ir);
    assertThat(fieldDataCache.cachedGlobally, equalTo(1));
    sortedSetDVOrdinalsIndexFieldData.loadGlobal(new FieldMaskingReader("field1", ir));
    assertThat(fieldDataCache.cachedGlobally, equalTo(1));

    // Testing PagedBytesIndexFieldData
    PagedBytesIndexFieldData pagedBytesIndexFieldData = createPagedBytes("field2", fieldDataCache);
    pagedBytesIndexFieldData.loadGlobal(ir);
    assertThat(fieldDataCache.cachedGlobally, equalTo(2));
    pagedBytesIndexFieldData.loadGlobal(new FieldMaskingReader("field2", ir));
    assertThat(fieldDataCache.cachedGlobally, equalTo(2));

    ir.close();
    dir.close();
}
 

import org.apache.lucene.index.IndexWriter; //導入方法依賴的package包/類
/**
 * 刪除指定博客的索引
 *
 * @param userid
 * @throws Exception
 */
public void deleteIndex(String userid) throws Exception {
  IndexWriter writer = getWriter();
  writer.deleteDocuments(new Term("userid", userid));

  writer.forceMergeDeletes(); // 強製刪除
  writer.commit();
  writer.close();
}
 

import org.apache.lucene.index.IndexWriter; //導入方法依賴的package包/類
private void writeEmptyTermVector(TermVectorsResponse outResponse) throws IOException {

        Directory dir = newDirectory();
        IndexWriterConfig conf = new IndexWriterConfig(new StandardAnalyzer());
        conf.setOpenMode(OpenMode.CREATE);
        IndexWriter writer = new IndexWriter(dir, conf);
        FieldType type = new FieldType(TextField.TYPE_STORED);
        type.setStoreTermVectorOffsets(true);
        type.setStoreTermVectorPayloads(false);
        type.setStoreTermVectorPositions(true);
        type.setStoreTermVectors(true);
        type.freeze();
        Document d = new Document();
        d.add(new Field("id", "abc", StringField.TYPE_STORED));

        writer.updateDocument(new Term("id", "abc"), d);
        writer.commit();
        writer.close();
        DirectoryReader dr = DirectoryReader.open(dir);
        IndexSearcher s = new IndexSearcher(dr);
        TopDocs search = s.search(new TermQuery(new Term("id", "abc")), 1);
        ScoreDoc[] scoreDocs = search.scoreDocs;
        int doc = scoreDocs[0].doc;
        Fields fields = dr.getTermVectors(doc);
        EnumSet<Flag> flags = EnumSet.of(Flag.Positions, Flag.Offsets);
        outResponse.setFields(fields, null, flags, fields);
        outResponse.setExists(true);
        dr.close();
        dir.close();

    }
 

import org.apache.lucene.index.IndexWriter; //導入方法依賴的package包/類
/**
 * Indexes three sample records.
 * 
 * @param writer the {@link IndexWriter} instance used for storing data.
 * @throws IOException in case of I/O failure.
 */
public static void indexSomeData(IndexWriter writer) throws IOException {
	writer.addDocument(newBook("1", "Apache Solr Essentials", "Andrea Gazzarini"));
	writer.addDocument(newBook("2", "Apache Solr FullText Search Server", "John White"));
	writer.addDocument(newBook("3", "Enterprise Search with Apache Solr", "Martin Green"));	
	writer.commit();
}
 

import org.apache.lucene.index.IndexWriter; //導入方法依賴的package包/類
/**
 * Setup all what we need for this test case. 
 * 
 * @throws IOException hopefully never, otherwise the test will fail.
 */
@Before
public void setUp() throws IOException {
	// 1. Creates a directory reference. This is where index datafiles will be created.
	directory = FSDirectory.open(new File("/tmp").toPath());
	
	// 2. Creates an IndexWriter
	writer = new IndexWriter(directory, new IndexWriterConfig());

	// 3. Add some data
	writer.addDocument(newBook("1", "Apache Solr Essentials", "Andrea Gazzarini"));
	writer.addDocument(newBook("2", "Apache Solr FullText Search Server", "John White"));
	writer.addDocument(newBook("3", "Enterprise Search with Apache Solr", "Martin Green"));	
	writer.commit();
}