package org.itat.text1;import java.io.File;import java.io.IOException;import javax.management.Query;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.index.Term;import org.apache.lucene.store.Directory;import org.apache.lucene.store.FSDirectory;import org.apache.lucene.store.LockObtainFailedException;import org.apache.lucene.util.Version;class IndexUtil_11 {private String [] ids={"1","2","3","4"};private String [] emails={"lele@qq.com","1534432371@qq.com","hello@sine.com","Tom@163.com"};private String [] contents={"Hello world!","lele is so cool！","hello@sine.com","Tom@163.com"};private String [] names={"lele!","Tom","zhangsan ","zhaosi"};private int [] attachs={1,2,3,5};private Directory directory=null;public void index(){//创建Derectorytry {directory=FSDirectory.open(new File ("G:/Lucene/indext2"));} catch (IOException e1) {// TODO Auto-generated catch blocke1.printStackTrace();}// 创建WriterIndexWriter writer=null;try {writer=new IndexWriter (directory, new IndexWriterConfig(Version.LUCENE_35, new StandardAnalyzer(Version.LUCENE_35)));Document doc=null;for (int i=0;i<ids.length;i++){//创建Decoment并添加Fielddoc=new Document();doc.add(new Field("ids",ids[i],Field.Store.YES,Field.Index.NOT_ANALYZED_NO_NORMS));doc.add(new Field("names",names[i],Field.Store.YES,Field.Index.NOT_ANALYZED_NO_NORMS));doc.add(new Field("emails",emails[i],Field.Store.YES,Field.Index.NOT_ANALYZED));doc.add(new Field("contents",contents[i],Field.Store.NO,Field.Index.ANALYZED));//将文档写到索引中writer.addDocument(doc);}} catch (CorruptIndexException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (LockObtainFailedException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}finally{if (writer!=null){try {writer.close();} catch (CorruptIndexException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();//throw new Exception ();}}}}public void unDelete()//恢复回收站中未被删除的东西{try {//恢复时必须把IndexReader的只读设置为falseIndexReader reader=IndexReader.open(directory,false);reader.undeleteAll();reader.close();} catch (CorruptIndexException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}public void updata(){IndexWriter writer=null;try {writer=writer=new IndexWriter (directory, new IndexWriterConfig(Version.LUCENE_35, new StandardAnalyzer(Version.LUCENE_35)));Document doc=new Document();//更新就是先删除后添加doc.add(new Field("ids","11",Field.Store.YES,Field.Index.NOT_ANALYZED_NO_NORMS));doc.add(new Field("names",names[0],Field.Store.YES,Field.Index.NOT_ANALYZED_NO_NORMS));doc.add(new Field("emails",emails[0],Field.Store.YES,Field.Index.NOT_ANALYZED));doc.add(new Field("contents",contents[0],Field.Store.NO,Field.Index.ANALYZED));writer.updateDocument(new Term("ids","2"), doc);} catch (CorruptIndexException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (LockObtainFailedException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}finally {if (writer!=null){try {writer.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}}public void forceDelete()//强制删除回收站中的东西{IndexWriter writer=null;try {writer=writer=new IndexWriter (directory, new IndexWriterConfig(Version.LUCENE_35, new StandardAnalyzer(Version.LUCENE_35)));writer.forceMergeDeletes();} catch (CorruptIndexException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (LockObtainFailedException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}finally {if (writer!=null){try {writer.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}}public void delete()//删除文档到回收站中{IndexWriter writer=null;try {writer=writer=new IndexWriter (directory, new IndexWriterConfig(Version.LUCENE_35, new StandardAnalyzer(Version.LUCENE_35)));writer.deleteDocuments(new Term("names","Tom"));} catch (CorruptIndexException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (LockObtainFailedException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}finally {if (writer!=null){try {writer.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}}public void query() throws IOException{try {//通过IndexReader进行查询 IndexReader reader=IndexReader.open(directory);//通过reader可以有效的获取文档的数量System.out.println(reader.numDocs());System.out.println(reader.maxDoc());System.out.println("Delete : "+reader.numDeletedDocs());reader.close();} catch (CorruptIndexException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}}package org.itat.text1;import java.io.IOException;public class IndexText {/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubIndexUtil_11 indextUtil=new IndexUtil_11();indextUtil.index();indextUtil.delete();indextUtil.forceDelete();indextUtil.updata();//indextUtil.query();try {//indextUtil.unDelete();indextUtil.query();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}
