package?org.apache.lucene.demo;

/**
?*?Licensed?to?the?Apache?Software?Foundation?（ASF）?under?one?or?more
?*?contributor?license?agreements.??See?the?NOTICE?file?distributed?with
?*?this?work?for?additional?information?regarding?copyright?ownership.
?*?The?ASF?licenses?this?file?to?You?under?the?Apache?License?Version?2.0
?*?（the?“License“）;?you?may?not?use?this?file?except?in?compliance?with
?*?the?License.??You?may?obtain?a?copy?of?the?License?at
?*
?*?????http://www.apache.org/licenses/LICENSE-2.0
?*
?*?Unless?required?by?applicable?law?or?agreed?to?in?writing?software
?*?distributed?under?the?License?is?distributed?on?an?“AS?IS“?BASIS
?*?WITHOUT?WARRANTIES?OR?CONDITIONS?OF?ANY?KIND?either?express?or?implied.
?*?See?the?License?for?the?specific?language?governing?permissions?and
?*?limitations?under?the?License.
?*/

import?java.io.File;

import?org.apache.lucene.store.Directory;
import?org.apache.lucene.store.FSDirectory;
import?org.apache.lucene.index.IndexReader;
import?org.apache.lucene.index.Term;
//import?org.apache.lucene.index.Term;


/**?Deletes?documents?from?an?index?that?do?not?contain?a?term.?*/
public?class?DeleteFiles?{
??
??private?DeleteFiles（）?{}?????????????????????????//?singleton

??/**?Deletes?documents?from?an?index?that?do?not?contain?a?term.?*/
??public?static?void?main（String[]?args）?{
????String?usage?=?“java?org.apache.lucene.demo.DeleteFiles?“;
????if?（args.length?==?0）?{
??????System.err.println（“Usage:?“?+?usage）;
??????System.exit（1）;
????}
????try?{
??????Directory?directory?=?FSDirectory.open（new?File（“index“））;
??????IndexReader?reader?=?IndexReader.open（directory?false）;?//?we?don‘t?want?read-only?because?we?are?about?to?delete

??????Term?term?=?new?Term（“path“?args[0]）;
??????int?deleted?=?reader.deleteDocuments（term）;

??????System.out.println（“deleted?“?+?deleted?+
?			?“?documents?containing?“?+?term）;

??????//?one?can?also?delete?documents?by?their?internal?id:
??????/*
??????for?（int?i?=?0;?i?????????System.out.println（“Deleting?document?with?id?“?+?i）;
????????reader.delete（i）;
??????}*/

??????reader.close（）;
??????directory.close（）;

????}?catch?（Exception?e）?{
??????System.out.println（“?caught?a?“?+?e.getClass（）?+
			?“\n?with?message:?“?+?e.getMessage（））;
????}
??}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-11-23?09:08??IKAnalyzer3.2.0Stable_bin\
?????目錄???????????0??2017-11-23?09:08??IKAnalyzer3.2.0Stable_bin\doc3.2.0\
?????文件????????3017??2015-08-21?18:26??IKAnalyzer3.2.0Stable_bin\doc3.2.0\allclasses-frame.html
?????文件????????2677??2015-08-21?18:26??IKAnalyzer3.2.0Stable_bin\doc3.2.0\allclasses-noframe.html
?????文件???????15536??2015-08-21?18:26??IKAnalyzer3.2.0Stable_bin\doc3.2.0\constant-values.html
?????文件????????5331??2015-08-21?18:26??IKAnalyzer3.2.0Stable_bin\doc3.2.0\deprecated-list.html
?????文件????????9669??2015-08-21?18:26??IKAnalyzer3.2.0Stable_bin\doc3.2.0\help-doc.html
?????目錄???????????0??2017-11-23?09:08??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\
?????文件????????7613??2015-08-21?14:32??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\index-1.html
?????文件????????9026??2015-08-21?14:32??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\index-10.html
?????文件???????10923??2015-08-21?14:32??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\index-11.html
?????文件????????7494??2015-08-21?14:32??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\index-12.html
?????文件???????10134??2015-08-21?14:32??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\index-13.html
?????文件????????7233??2015-08-21?14:32??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\index-14.html
?????文件????????9045??2015-08-21?14:32??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\index-15.html
?????文件???????10547??2015-08-21?14:32??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\index-16.html
?????文件????????8716??2015-08-21?14:32??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\index-17.html
?????文件????????6728??2015-08-21?14:32??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\index-18.html
?????文件???????10173??2015-08-21?14:32??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\index-2.html
?????文件????????7531??2015-08-21?14:32??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\index-3.html
?????文件????????7370??2015-08-21?14:32??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\index-4.html
?????文件????????7384??2015-08-21?14:32??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\index-5.html
?????文件???????10964??2015-08-21?14:32??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\index-6.html
?????文件????????7481??2015-08-21?14:32??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\index-7.html
?????文件???????15376??2015-08-21?14:32??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\index-8.html
?????文件????????9225??2015-08-21?14:32??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index-files\index-9.html
?????文件????????1493??2015-08-21?18:26??IKAnalyzer3.2.0Stable_bin\doc3.2.0\index.html
?????目錄???????????0??2015-08-21?18:36??IKAnalyzer3.2.0Stable_bin\doc3.2.0\org\
?????目錄???????????0??2015-08-21?18:36??IKAnalyzer3.2.0Stable_bin\doc3.2.0\org\wltea\
?????目錄???????????0??2017-11-23?09:08??IKAnalyzer3.2.0Stable_bin\doc3.2.0\org\wltea\analyzer\
?????目錄???????????0??2017-11-23?09:08??IKAnalyzer3.2.0Stable_bin\doc3.2.0\org\wltea\analyzer\cfg\
............此處省略5961個文件信息