Luence 数据库 Demo

package com.sea.index;

import java.io.File;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Date;

import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.CorruptIndexException;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.queryParser.ParseException;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.store.FSDirectory;
import org.apache.lucene.store.LockObtainFailedException;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.util.Version;

public class DataBaseIndex {

	/**
	 * @param args
	 * @throws SQLException
	 * @throws IOException
	 * @throws LockObtainFailedException
	 * @throws CorruptIndexException
	 * @throws ParseException
	 */
	public static void main(String[] args) throws CorruptIndexException, LockObtainFailedException, IOException, SQLException, ParseException {
		// TODO Auto-generated method stub
		String url = "jdbc:oracle:thin:@10.1.80.170:1521:NETCOOL";
		String user = "uum";
		String pwd = "uum";

		DataBaseIndex test = new DataBaseIndex();
		test.makeIndexForDatabase(test.getConnection(url, user, pwd));
		test.findSM("P55A");
	}

	public void findSM(String str) throws IOException, ParseException {
		File file = new File("d:\\data");
		FSDirectory directory = FSDirectory.open(file);
		IndexReader reader = IndexReader.open(directory);
		IndexSearcher is = new IndexSearcher(reader);
		QueryParser query = new QueryParser(Version.LUCENE_36, "NAME", new StandardAnalyzer(Version.LUCENE_36));
		Query q1 = query.parse(str);
		ScoreDoc[] docs = is.search(q1, is.maxDoc()).scoreDocs;
		for (int i = 0; i < docs.length; i++) {
			Date start = new Date();
			String ip = is.doc(docs[i].doc).get("IP");
			String name = is.doc(docs[i].doc).get("NAME");
			String id = is.doc(docs[i].doc).get("ID");
			Date end = new Date();
			System.out.println("===========" + id + " : " +name+" : "+ip+"   "+(end.getTime() - start.getTime()) + "ms");
		}
	}

	public Connection getConnection(String url, String user, String password) {
		try {
			Class.forName("oracle.jdbc.OracleDriver");
			return DriverManager.getConnection(url, user, password);
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return null;
	}

	public ResultSet executeSQL(Connection conn, String sql) {
		try {
			Statement smt = conn.createStatement();
			return smt.executeQuery(sql);
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return null;
	}

	public void makeIndexForDatabase(Connection conn) throws CorruptIndexException, LockObtainFailedException, IOException, SQLException {
		convert(executeSQL(conn, "select serial,name,new_netip from ams_asset_tab where new_netip is not null"));
	}

	public void convert(ResultSet rs) throws SQLException, CorruptIndexException, LockObtainFailedException, IOException {
		while (rs.next()) {
			File file = new File("d:\\data");
			FSDirectory directory = FSDirectory.open(file);
			IndexWriterConfig conf = new IndexWriterConfig(Version.LUCENE_36, new StandardAnalyzer(Version.LUCENE_36));
			IndexWriter writer = new IndexWriter(directory, conf);
			Document doc = new Document();
			String serial1 = rs.getString("serial");
			String name1 = rs.getString("name");
			String ip1 = rs.getString("new_netip");
			System.out.println("serial:" + serial1 + "\t" + "name:" + name1 + "\t" + "ip:" + ip1);
			Field serial = new Field("ID", serial1, Field.Store.YES, Field.Index.ANALYZED);
			doc.add(serial);
			Field name = new Field("NAME", name1, Field.Store.YES, Field.Index.ANALYZED);
			doc.add(name);
			Field ip = new Field("IP", ip1, Field.Store.YES, Field.Index.ANALYZED);
			doc.add(ip);
			writer.addDocument(doc);
			writer.close();
		}
	}

}