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

Introduction

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

Prototype

public void merge(MergePolicy.OneMerge merge) throws IOException 

Source Link

Document

Merges the indicated segments, replacing them in the stack with a single segment.

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  a  v 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);//ww  w. jav  a2  s .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.  java2  s.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.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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