aos.lucene.tools.BerkeleyDbJESearcher.java Source code

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Here is the source code for aos.lucene.tools.BerkeleyDbJESearcher.java

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 * regarding copyright ownership.  The AOS licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
 * "License"); you may not use this file except in compliance   *
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package aos.lucene.tools;

import java.io.File;
import java.io.IOException;

import org.apache.lucene.index.Term;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.search.TopDocs;

import com.sleepycat.je.Database;
import com.sleepycat.je.DatabaseConfig;
import com.sleepycat.je.DatabaseException;
import com.sleepycat.je.Environment;
import com.sleepycat.je.EnvironmentConfig;

public class BerkeleyDbJESearcher {

    public static void main(String[] args) throws IOException, DatabaseException {

        if (args.length != 1) {
            System.err.println("Usage: BerkeleyDbSearcher <index dir>");
            System.exit(-1);
        }
        File indexFile = new File(args[0]);

        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);

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

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

        IndexSearcher searcher = new IndexSearcher(directory, true);
        TopDocs hits = searcher.search(new TermQuery(new Term("contents", "fox")), 10);
        LOGGER.info(hits.totalHits + " documents found");
        searcher.close();

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