Example usage for org.apache.lucene.index IndexWriter getNextMerge

Introduction

In this page you can find the example usage for org.apache.lucene.index IndexWriter getNextMerge.

Prototype

public synchronized MergePolicy.OneMerge getNextMerge() 

Source Link

Document

Expert: the MergeScheduler calls this method to retrieve the next merge requested by the MergePolicy

Usage

From source file:aos.lucene.search.msc.ScoreTest.java

License:Apache License

private void indexSingleFieldDocs(Field[] fields) throws Exception {
    IndexWriter writer = new IndexWriter(directory, new WhitespaceAnalyzer(Version.LUCENE_46),
            IndexWriter.MaxFieldLength.UNLIMITED);
    for (Field f : fields) {
        Document doc = new Document();
        doc.add(f);/* w w w . j av  a  2s. c  o  m*/
        writer.addDocument(doc);
    }
    writer.merge(writer.getNextMerge());
    writer.close();
}

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From source file:aos.lucene.tools.BerkeleyDbIndexer.java

License:Apache License

public static void main(String[] args) throws IOException, DatabaseException {
    if (args.length != 1) {
        System.err.println("Usage: BerkeleyDbIndexer <index dir>");
        System.exit(-1);/*from  w  ww.  j  ava 2s  .c o m*/
    }

    File indexFile = new File(args[0]);

    if (indexFile.exists()) {
        File[] files = indexFile.listFiles();

        for (int i = 0; i < files.length; i++)
            if (files[i].getName().startsWith("__"))
                files[i].delete();
        indexFile.delete();
    }

    indexFile.mkdir();

    EnvironmentConfig envConfig = new EnvironmentConfig();
    DatabaseConfig dbConfig = new DatabaseConfig();

    envConfig.setTransactional(true);
    envConfig.setInitializeCache(true);
    envConfig.setInitializeLocking(true);
    envConfig.setInitializeLogging(true);
    envConfig.setAllowCreate(true);
    envConfig.setThreaded(true);
    dbConfig.setAllowCreate(true);
    dbConfig.setType(DatabaseType.BTREE);

    Environment env = new Environment(indexFile, envConfig);

    Transaction txn = env.beginTransaction(null, null);
    Database index = env.openDatabase(txn, "__index__", null, dbConfig);
    Database blocks = env.openDatabase(txn, "__blocks__", null, dbConfig);
    txn.commit();

    txn = env.beginTransaction(null, null);
    DbDirectory directory = new DbDirectory(txn, index, blocks);

    IndexWriter writer = new IndexWriter(directory, new StandardAnalyzer(Version.LUCENE_46), true,
            IndexWriter.MaxFieldLength.UNLIMITED);

    Document doc = new Document();
    doc.add(new Field("contents", "The quick brown fox...", Field.Store.YES, Field.Index.ANALYZED));
    writer.addDocument(doc);

    writer.merge(writer.getNextMerge());
    writer.close();

    directory.close();
    txn.commit();

    index.close();
    blocks.close();
    env.close();

    LOGGER.info("Indexing Complete");
}

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From source file:aos.lucene.tools.BerkeleyDbJEIndexer.java

License:Apache License

public static void main(String[] args) throws IOException, DatabaseException {
    if (args.length != 1) {
        System.err.println("Usage: BerkeleyDbIndexer <index dir>");
        System.exit(-1);/*w w w  .j  ava2 s .c om*/
    }

    File indexFile = new File(args[0]);

    if (indexFile.exists()) {
        File[] files = indexFile.listFiles();
        for (int i = 0; i < files.length; i++)

            if (files[i].getName().startsWith("__"))
                files[i].delete();
        indexFile.delete();
    }

    indexFile.mkdir();

    EnvironmentConfig envConfig = new EnvironmentConfig();
    DatabaseConfig dbConfig = new DatabaseConfig();

    envConfig.setTransactional(true);
    envConfig.setAllowCreate(true);
    dbConfig.setTransactional(true);
    dbConfig.setAllowCreate(true);

    Environment env = new Environment(indexFile, envConfig);

    Transaction txn = env.beginTransaction(null, null);
    Database index = env.openDatabase(txn, "__index__", dbConfig);
    Database blocks = env.openDatabase(txn, "__blocks__", dbConfig);
    txn.commit();
    txn = env.beginTransaction(null, null);

    JEDirectory directory = new JEDirectory(txn, index, blocks);

    IndexWriter writer = new IndexWriter(directory, new StandardAnalyzer(Version.LUCENE_46), true,
            IndexWriter.MaxFieldLength.UNLIMITED);

    Document doc = new Document();
    doc.add(new Field("contents", "The quick brown fox...", Field.Store.YES, Field.Index.ANALYZED));
    writer.addDocument(doc);

    writer.merge(writer.getNextMerge());
    writer.close();

    directory.close();
    txn.commit();

    index.close();
    blocks.close();
    env.close();

    LOGGER.info("Indexing Complete");
}

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From source file:org.apache.blur.manager.writer.SharedMergeScheduler.java

License:Apache License

protected void addMerges(String id, IndexWriter writer) throws IOException {
    OneMerge merge;/*from www  . j  a v a2  s .  co m*/
    while ((merge = writer.getNextMerge()) != null) {
        addMerge(id, writer, merge);
    }
}

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