Examples with IndexWriter org.apache.lucene.index.IndexWriter used on opensource projects

Example 96 with IndexWriter

use of org.apache.lucene.index.IndexWriter in project jackrabbit-oak by apache.

the class IndexPlannerTest method createSampleDirectory.

private static Directory createSampleDirectory(long numOfDocs) throws IOException {
    Directory dir = new RAMDirectory();
    IndexWriterConfig config = new IndexWriterConfig(VERSION, LuceneIndexConstants.ANALYZER);
    IndexWriter writer = new IndexWriter(dir, config);
    for (int i = 0; i < numOfDocs; i++) {
        Document doc = new Document();
        doc.add(new StringField("foo", "bar" + i, Field.Store.NO));
        writer.addDocument(doc);
    }
    writer.close();
    return dir;
}

Example 97 with IndexWriter

use of org.apache.lucene.index.IndexWriter in project jackrabbit-oak by apache.

the class NRTIndex method createWriter.

private synchronized NRTIndexWriter createWriter() throws IOException {
    String dirName = generateDirName();
    indexDir = indexCopier.getIndexDir(definition, definition.getIndexPath(), dirName);
    Directory fsdir = FSDirectory.open(indexDir);
    //TODO make these configurable
    directory = new NRTCachingDirectory(fsdir, 1, 1);
    IndexWriterConfig config = IndexWriterUtils.getIndexWriterConfig(definition, false);
    //TODO Explore following for optimizing indexing speed
    //config.setUseCompoundFile(false);
    //config.setRAMBufferSizeMB(1024*1024*25);
    indexWriter = new IndexWriter(directory, config);
    return new NRTIndexWriter(indexWriter);
}

Example 98 with IndexWriter

use of org.apache.lucene.index.IndexWriter in project jena by apache.

the class TextSearchUtil method createEmptyIndex.

public static void createEmptyIndex(File indexDir) {
    try {
        Directory directory = FSDirectory.open(indexDir.toPath());
        IndexWriterConfig wConfig = new IndexWriterConfig(analyzer);
        // force creation of the index files
        try (IndexWriter indexWriter = new IndexWriter(directory, wConfig)) {
        }
    } catch (IOException ex) {
        IO.exception(ex);
    }
}

Example 99 with IndexWriter

use of org.apache.lucene.index.IndexWriter in project jena by apache.

the class SpatialSearchUtil method createEmptyIndex.

public static void createEmptyIndex(File indexDir) {
    try {
        Directory directory = FSDirectory.open(indexDir.toPath());
        IndexWriterConfig wConfig = new IndexWriterConfig(analyzer);
        // force creation of the index files
        try (IndexWriter indexWriter = new IndexWriter(directory, wConfig)) {
        }
    } catch (IOException ex) {
        IO.exception(ex);
    }
}

Example 100 with IndexWriter

use of org.apache.lucene.index.IndexWriter in project lucene-solr by apache.

the class TestLimitTokenCountAnalyzer method testLimitTokenCountIndexWriter.

public void testLimitTokenCountIndexWriter() throws IOException {
    for (boolean consumeAll : new boolean[] { true, false }) {
        Directory dir = newDirectory();
        int limit = TestUtil.nextInt(random(), 50, 101000);
        MockAnalyzer mock = new MockAnalyzer(random());
        // if we are consuming all tokens, we can use the checks, 
        // otherwise we can't
        mock.setEnableChecks(consumeAll);
        Analyzer a = new LimitTokenCountAnalyzer(mock, limit, consumeAll);
        IndexWriter writer = new IndexWriter(dir, new IndexWriterConfig(a));
        Document doc = new Document();
        StringBuilder b = new StringBuilder();
        for (int i = 1; i < limit; i++) b.append(" a");
        b.append(" x");
        b.append(" z");
        doc.add(newTextField("field", b.toString(), Field.Store.NO));
        writer.addDocument(doc);
        writer.close();
        IndexReader reader = DirectoryReader.open(dir);
        Term t = new Term("field", "x");
        assertEquals(1, reader.docFreq(t));
        t = new Term("field", "z");
        assertEquals(0, reader.docFreq(t));
        reader.close();
        dir.close();
        a.close();
    }
}