MoveLuceneSmall

最新推荐文章于 2025-07-24 16:23:35 发布

原创最新推荐文章于 2025-07-24 16:23:35 发布 · 87 阅读

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本文详细介绍了如何使用LUCENE进行小文件移动到大文件的任务调度，包括初始化配置、文件路径处理、创建IndexWriter实例、迁移操作及资源清理等关键步骤。

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package com.yulong.lucene.biz;

import java.io.File;

import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.FSDirectory;

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

/**
* LUCENE小文件移动到大文件中的任务调度
*
* @author fyh
*/
public class MoveLuceneSmall {
private String path = "";

public MoveLuceneSmall(String path) {
this.path = RequestUtil.ChangePath(path);
this.move();
}

/**
* 开始转移
*
* @return
*/
@SuppressWarnings("deprecation")
public boolean move() {
IndexWriter iw = null;
try {
File file = new File(path+"small/");
if (file.exists()) {
try{
Directory directory = FSDirectory.open(file);
iw =LuceneContacts.iwpool.get(path +"index/", this.toString());
if(iw != null){
iw.addIndexes(new Directory[]{directory});
IndexWriter iwcc = LuceneContacts.iwpool.get(path +"small/", this.toString());
iwcc.deleteAll();
iwcc.close();
}
}catch (Exception e) {
}
}
iw.close();
} catch (Exception e) {
e.printStackTrace();
return false;
}
LuceneContacts.iwpool.over(path +"index/", this.toString());
LuceneContacts.iwpool.over(path +"small/", this.toString());
return true;
}

}