Lucene系列

package com.gangwu.lucene.demo;import java.io.File;import java.io.IOException;import org.apache.lucene.analysis.standard.StandardAnalyzer;import org.apache.lucene.document.Document;import org.apache.lucene.document.Field.Store;import org.apache.lucene.document.TextField;import org.apache.lucene.index.IndexWriter;import org.apache.lucene.index.IndexWriterConfig;import org.apache.lucene.store.Directory;import org.apache.lucene.store.FSDirectory;import org.apache.lucene.util.Version;public class LuceneThreadDemo {    public static void main(String[] args) {        try {            File file = new File("/root/data/02");            Directory directory = FSDirectory.open(file);            IndexWriterConfig config = new IndexWriterConfig(Version.LATEST, new StandardAnalyzer());            IndexWriter indexWriter = new IndexWriter(directory, config);//          final String[] values = {"common","term","new","term","term","term","common","term","common"};            final String[] values = {"1","2","3","4","5","6","7","8","9"};            Thread t1 = new Thread(new IndexThread(indexWriter, values, 0));            Thread t2 = new Thread(new IndexThread(indexWriter, values, 1));            t1.start();            t2.start();            //thread.Join把指定的线程加入到当前线程，可以将两个交替执行的线程合并为顺序执行的线程。            //比如在线程B中调用了线程A的Join()方法，直到线程A执行完毕后，才会继续执行线程B。            t1.join();            t2.join();            indexWriter.commit();            indexWriter.close();        } catch (IOException e) {            e.printStackTrace();        } catch (InterruptedException e) {            e.printStackTrace();        }    }}class IndexThread implements Runnable {    IndexWriter indexWriter;    String[] values;    int start;    public IndexThread(IndexWriter indexWriter, String[] values, int start) {        this.indexWriter = indexWriter;        this.values = values;        this.start = start;    }    public void run() {        for (int i = start; i < values.length; i += 2) {            System.out.println("start run Thread " + i);            try {                Document document = new Document();                document.add(new TextField("title", values[i], Store.YES));                indexWriter.addDocument(document);            } catch (IOException e) {                e.printStackTrace();            }            System.out.println("-> end run Thread " + i);        }    }}