package com.laoer.bbscs.lucene;/** * Copyright 2004 The Apache Software Foundation * * Licensed 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.IOException;import org.apache.lucene.store.Directory;import org.apache.lucene.store.FSDirectory;import org.apache.lucene.index.IndexReader;import org.apache.lucene.index.Term;class DeleteFiles {  public static void main(String[] args) {    try {      Directory directory = FSDirectory.getDirectory("demo index", false);      IndexReader reader = IndexReader.open(directory);//       Term term = new Term("path", "pizza");//       int deleted = reader.delete(term);//       System.out.println("deleted " + deleted +// 			 " documents containing " + term);      for (int i = 0; i < reader.maxDoc(); i++)	reader.delete(i);      reader.close();      directory.close();    } catch (Exception e) {      System.out.println(" caught a " + e.getClass() +			 "\n with message: " + e.getMessage());    }  }}