Lucene index Delete, restore, update

Package org.se.lucene;
Main class 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;
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;
		public class Lucene_index {private string[] ids={"1", "2", "3", "4", "5", "6"};
		Private string[] emails={"aa@aa.org", "cc@cc.org", "dd@ @dd. org", "bb@bb.org", "ee@ee.org", "ff@ff.org"};
		Private string[] contents={"Welcometotyu", "Hellowboy", "Higirl", "howareyou", "Googluck", "Badgosh"};
		Private int[] attachs={1,2,3,4,5,6}; Private string[] names={"Liwu", "Zhangsan","Xiaoqinag", "Laona", "Dabao", "Lisi"};
		
		Private Directory Directory=null;
			Public Lucene_index () {try {directory=fsdirectory.open (new File ("f:/lucene/index02"));
			catch (IOException e) {//TODO auto-generated catch block E.printstacktrace ();
				} public void Quary () {try {indexreader reader=indexreader.open (directory);
				System.out.println ("Numdocs" +reader.numdocs ());
				System.out.println ("Maxdocs" +reader.maxdoc ());
				System.out.println ("Detelemaxdocs" +reader.numdeleteddocs ());
			Reader.close ();
			catch (Corruptindexexception e) {//TODO auto-generated catch block E.printstacktrace ();
			catch (IOException e) {//TODO auto-generated catch block E.printstacktrace (); @SuppressWarnings ("deprecation") public void undelete () {try {//Reply) must set Reader's read-only to False Ind
				Exreader Reader=indexreader.open (Directory,false);
				Reader.undeleteall ();
			Reader.close (); catch (CorruptindexexcePtion e) {//TODO auto-generated catch block E.printstacktrace ();
			catch (IOException e) {//TODO auto-generated catch block E.printstacktrace ();
			}//Empty the Recycle Bin, forcing the optimization of the public void Forcedelete () {IndexWriter writer=null; try {writer=new IndexWriter (directory, new Indexwriterconfig (version.lucene_36, New StandardAnalyzer (version.lu
				cene_36)));
			Parameter 11 options, can be a query, can also be a term term is an exact lookup value//The deleted document is not completely deleted, but is stored in the Recycle Bin, can be restored writer.forcemergedeletes ();
			catch (Corruptindexexception e) {e.printstacktrace ();
			catch (Lockobtainfailedexception e) {e.printstacktrace ();
			catch (IOException e) {e.printstacktrace ();
					} finally{if (writer!=null) {try {writer.close ();
					catch (Corruptindexexception e) {//TODO auto-generated catch block E.printstacktrace ();
					catch (IOException e) {//TODO auto-generated catch block E.printstacktrace ();
	}
				}		} public void Merge () {IndexWriter writer=null; try {writer=new IndexWriter (directory, new Indexwriterconfig (version.lucene_36, New StandardAnalyzer (version.lu
				
				cene_36)));
			Writer.forcemerge (2);
			catch (Corruptindexexception e) {e.printstacktrace ();
			catch (Lockobtainfailedexception e) {e.printstacktrace ();
			catch (IOException e) {e.printstacktrace ();
					} finally{if (writer!=null) {try {writer.close ();
					catch (Corruptindexexception e) {//TODO auto-generated catch block E.printstacktrace ();
					catch (IOException e) {//TODO auto-generated catch block E.printstacktrace ();
			}}} public void Delete () {IndexWriter writer=null; try {writer=new IndexWriter (directory, new Indexwriterconfig (version.lucene_36, New StandardAnalyzer (version.lu
				cene_36))); Parameter 11 options, can be a query, can also be a term term is an exact lookup value//The deleted document is not completely deleted, but is stored in the RecycleStation, can restore the writer.deletedocuments (new Term ("id", "1"));
			catch (Corruptindexexception e) {e.printstacktrace ();
			catch (Lockobtainfailedexception e) {e.printstacktrace ();
			catch (IOException e) {e.printstacktrace ();
					} finally{if (writer!=null) {try {writer.close ();
					catch (Corruptindexexception e) {//TODO auto-generated catch block E.printstacktrace ();
					catch (IOException e) {//TODO auto-generated catch block E.printstacktrace ();
			   }}} public void Index () {IndexWriter writer=null;
			   Document Doc=null; try {writer =new indexwriter (directory,new indexwriterconfig (version.lucene_36, New StandardAnalyzer (Versio
				n.lucene_36)));
				Writer.deleteall ();
			    	for (int i=0;i<ids.length;i++) {doc=new Document ();
			    	Doc.add (New Field ("id", ids[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.yes,field.index.analyzed));
			    	Doc.add (New Field ("name", names[i],field.store.yes,field.index.not_analyzed_no_norms)); 
				Writer.adddocument (DOC);
			The catch (Corruptindexexception e) {//TODO auto-generated catch block E.printstacktrace ();
			catch (Lockobtainfailedexception e) {//TODO auto-generated catch block E.printstacktrace ();
			catch (IOException e) {//TODO auto-generated catch block E.printstacktrace ();
					} finally{if (writer!=null) {try {writer.close ();
					catch (Corruptindexexception e) {//TODO auto-generated catch block E.printstacktrace ();
					catch (IOException e) {//TODO auto-generated catch block E.printstacktrace (); "}}//update index public void Update () {/*lucene itself does not support update * * * Update by deleting index and then indexing
			  IndexWriter Writer=null;
			   Document Doc=null; try {writer =new indexwriter (directory,new indexwriterconfig (version.lucene_36, New StandardAnalyzer (Versio
				n.lucene_36)));
				Writer.deleteall ();
			    	for (int i=0;i<ids.length;i++) {doc=new Document ();
			    	Doc.add (New Field ("id", ids[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.yes,field.index.analyzed));
			    	Doc.add (New Field ("name", names[i],field.store.yes,field.index.not_analyzed_no_norms)); 
				Writer.updatedocument (New Term ("id", "1"), doc);
			The catch (Corruptindexexception e) {//TODO auto-generated catch block E.printstacktrace ();
			catch (Lockobtainfailedexception e) {//TODO auto-generated catch block E.printstacktrace ();
			catch (IOException e) {//TODO auto-generated catch block	E.printstacktrace ();
					} finally{if (writer!=null) {try {writer.close ();
					catch (Corruptindexexception e) {//TODO auto-generated catch block E.printstacktrace ();
					catch (IOException e) {//TODO auto-generated catch block E.printstacktrace ();

}}}//test class package org.se.lucene;

Import Org.junit.Test;
		public class Test {@Test public void Testindex () {lucene_index l_index=new lucene_index ();
    L_index.index ();
		@Test public void Testquary () {lucene_index l_index=new lucene_index ();
	L_index.quary ();
		@Test public void Testdelete () {lucene_index l_index=new lucene_index ();
	L_index.delete ();
		@Test public void Testundelete () {lucene_index l_index=new lucene_index ();
	L_index.undelete ();
		@Test public void Testforcedelete () {lucene_index l_index=new lucene_index ();
	L_index.forcedelete (); @Test public void Testmerge () {lucene_inDex l_index=new Lucene_index ();
	L_index.merge ();
		@Test public void UpDate () {lucene_index l_index=new lucene_index ();
	L_index.update ();
 }
	
}