/** Filter这个类的功能是实现对于查询的过滤器，* 对于用户搜索的，可以把保密的网站或者文档对用户不进行显示* 例如：* 这里就是一个图书馆的查询系统，，图书馆的有些珍贵资料是不予显示的。* 只有高级权限的(Advanced)的用户才可以显示** */package filter;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.IndexReader;import org.apache.lucene.index.IndexWriter;public class FilterOneTest {private final int SECURITY_ADVANCED = 1;private final int SECURITY_MIDDLE = 2;private final int SECURITY_NORMAL = 3;public FilterOneTest(String INDEX_STORE_PATH) {try{IndexWriter writer = new IndexWriter(INDEX_STORE_PATH, new StandardAnalyzer(), true);writer.setUseCompoundFile(false);Document doc1 = new Document();Field f1 = new Field("bookNumber", "0000003", Field.Store.YES, Field.Index.UN_TOKENIZED);Field f2 = new Field("bookname", "论宇称非对称模型", Field.Store.YES, Field.Index.TOKENIZED);Field f3 = new Field("publishdate", "1999-01-01", Field.Store.YES, Field.Index.UN_TOKENIZED);Field f4 = new Field("securitylevel", SECURITY_ADVANCED + "", Field.Store.YES, Field.Index.UN_TOKENIZED);doc1.add(f1);doc1.add(f2);doc1.add(f3);doc1.add(f4);Document doc2 = new Document();f1 = new Field("bookNumber", "0000005", Field.Store.YES, Field.Index.UN_TOKENIZED);f2 = new Field("bookname", "钢铁战士", Field.Store.YES, Field.Index.TOKENIZED);f3 = new Field("publishdate", "1995-07-15", Field.Store.YES, Field.Index.UN_TOKENIZED);f4 = new Field("securitylevel", SECURITY_MIDDLE + "", Field.Store.YES, Field.Index.UN_TOKENIZED);doc2.add(f1);doc2.add(f2);doc2.add(f3);doc2.add(f4);Document doc3 = new Document();f1 = new Field("bookNumber", "0000001", Field.Store.YES, Field.Index.UN_TOKENIZED);f2 = new Field("bookname", "相对论", Field.Store.YES, Field.Index.TOKENIZED);f3 = new Field("publishdate", "1963-02-14", Field.Store.YES, Field.Index.UN_TOKENIZED);f4 = new Field("securitylevel", SECURITY_ADVANCED + "", Field.Store.YES, Field.Index.UN_TOKENIZED);doc3.add(f1);doc3.add(f2);doc3.add(f3);doc3.add(f4);Document doc4 = new Document();f1 = new Field("bookNumber", "0000006", Field.Store.YES, Field.Index.UN_TOKENIZED);f2 = new Field("bookname", "黑猫警长", Field.Store.YES, Field.Index.TOKENIZED);f3 = new Field("publishdate", "1988-05-01", Field.Store.YES, Field.Index.UN_TOKENIZED);f4 = new Field("securitylevel", SECURITY_ADVANCED + "", Field.Store.YES, Field.Index.UN_TOKENIZED);doc4.add(f1);doc4.add(f2);doc4.add(f3);doc4.add(f4);Document doc5 = new Document();f1 = new Field("bookNumber", "0000004", Field.Store.YES, Field.Index.UN_TOKENIZED);f2 = new Field("bookname", "原子弹的爆破过程", Field.Store.YES, Field.Index.TOKENIZED);f3 = new Field("publishdate", "1959-10-21", Field.Store.YES, Field.Index.UN_TOKENIZED);f4 = new Field("securitylevel", SECURITY_ADVANCED + "", Field.Store.YES, Field.Index.UN_TOKENIZED);doc5.add(f1);doc5.add(f2);doc5.add(f3);doc5.add(f4);Document doc6 = new Document();f1 = new Field("bookNumber", "0000007", Field.Store.YES, Field.Index.UN_TOKENIZED);f2 = new Field("bookname", "钢铁是怎样炼成的", Field.Store.YES, Field.Index.TOKENIZED);f3 = new Field("publishdate", "1970-01-11", Field.Store.YES, Field.Index.UN_TOKENIZED);f4 = new Field("securitylevel", SECURITY_MIDDLE + "", Field.Store.YES, Field.Index.UN_TOKENIZED);doc6.add(f1);doc6.add(f2);doc6.add(f3);doc6.add(f4);Document doc7 = new Document();f1 = new Field("bookNumber", "0000002", Field.Store.YES, Field.Index.UN_TOKENIZED);f2 = new Field("bookname", "白毛女", Field.Store.YES, Field.Index.TOKENIZED);f3 = new Field("publishdate", "1977-09-07", Field.Store.YES, Field.Index.UN_TOKENIZED);f4 = new Field("securitylevel", SECURITY_NORMAL + "", Field.Store.YES, Field.Index.UN_TOKENIZED);doc7.add(f1);doc7.add(f2);doc7.add(f3);doc7.add(f4);writer.addDocument(doc1);writer.addDocument(doc2);writer.addDocument(doc3);writer.addDocument(doc4);writer.addDocument(doc5);writer.addDocument(doc6);writer.addDocument(doc7);writer.close();IndexReader reader = IndexReader.open(INDEX_STORE_PATH);for(int i = 0; i < reader.numDocs(); i++){Document doc = reader.document(i);System.out.print("书号：");System.out.println(doc.get("bookNumber"));System.out.print("书名：");System.out.println(doc.get("bookname"));System.out.print("发布日期：");System.out.println(doc.get("publishdate"));System.out.print("安全级别：");System.out.print(doc.get("securitylevel"));int level = Integer.parseInt(doc.get("securitylevel"));switch(level){case SECURITY_ADVANCED:System.out.println("高级");break;case SECURITY_MIDDLE:System.out.println("中级");break;case SECURITY_NORMAL:System.out.println("一般");break;}System.out.println(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");}}catch(IOException e){e.printStackTrace();}}public static void main(String[] args) {// TODO Auto-generated method stubFilterOneTest fot = new FilterOneTest("E:\\Lucene项目\\索引文件");}}
一直有记日记的习惯，可是，旅行回来，
