RebuildLucene

package com.yulong.lucene.biz;

import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.apache.log4j.Logger;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.CorruptIndexException;
import org.apache.lucene.index.IndexWriter;

import com.yulong.lucene.core.LuceneContacts;
import com.yulong.lucene.util.RequestUtil;

/**
* LUCENE重新写入大批量索引
*
* @author fyh
*/
public class RebuildLucene
{
   
    private static final Logger LOG = Logger.getLogger(RebuildLucene.class);
   
    private String path = "";
   
    public RebuildLucene(String path)
    {
   
        this.path = RequestUtil.ChangePath(path);
    }
   
    /**
     * 写入索引数据
     *
     * @param map
     */
    public boolean write1(List<Map<String, String>> list)
    {
   
        IndexWriter iwriter = null;
        try
        {
            iwriter = LuceneContacts.iwpool.get(path + "rebuild/", this.toString());
            for (Map<String, String> map : list)
            {
                Document doc = new Document();
                for (Iterator<String> it = map.keySet().iterator(); it.hasNext();)
                {
                    String key = RequestUtil.VailStr(it.next(), "");
                    String value = RequestUtil.VailStr(map.get(key), "");
                    if (key != "")
                        doc.add(new Field(key, value, Field.Store.YES, Field.Index.ANALYZED));
                }
                if (map.size() > 0)
                {
                    iwriter.addDocument(doc);
                }
            }
            // iwriter.close();
            LOG.info("LUCENE重新写入大批量索引成功!");
        }
        catch (Exception e)
        {
            e.printStackTrace();
            return false;
        }
        finally
        {
            try
            {
                if (iwriter != null)
                {
                    iwriter.close();
                }
            }
            catch (CorruptIndexException e)
            {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            catch (IOException e)
            {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        return true;
    }
   
    public boolean write(List<Map<String, String>> list)
    {
   
        boolean res = this.write1(list);
        if (res)
        {
            res = new MoveLuceneRebuild().move(path);// 替换当前重编译后的索引
        }
        return res;
    }
}