Examples of org.apache.lucene.index.Term

org.apache.lucene.index.Term
A Term represents a word from text. This is the unit of search. It is composed of two elements, the text of the word, as a string, and the name of the field that the text occurred in. Note that terms may represent more than words from text fields, but also things like dates, email addresses, urls, etc.

     *      match.
     */
    public FieldFilter(String field, String [] values) {
        searchTerms = new Term[values.length];
        for (int i=0; i<values.length; i++) {
            searchTerms[i] = new Term(field, values[i]);
        }
    }

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    addIndex();
    IndexReader reader = IndexReader.open(lucenePath);
    System.out.println("�ĵ���:"+reader.numDocs());
    TermEnum tes = reader.terms();
    while(tes.next()){
      Term t = tes.term();
      System.out.println(t.toString());
    }
    //IndexSearcher searcher = new IndexSearcher(lucenePath);
  }

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    IndexReader reader = null;
    try{
      reader = getReader(doc.name());  
      String pvalue = getField(doc, doc.getKeywordField());
      Term keyTerm = new Term(doc.getKeywordField(), pvalue);
      return reader.deleteDocuments(keyTerm);
    }catch(Exception e){
      log.error("Error where delete index of "+ doc, e);
    }finally{
      if(reader!=null)

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    else {
      BooleanQuery classFilter = new BooleanQuery();
      //annihilate the scoring impact of DocumentBuilder.CLASS_FIELDNAME
      classFilter.setBoost( 0 );
      for (Class clazz : classesAndSubclasses) {
        Term t = new Term( DocumentBuilder.CLASS_FIELDNAME, clazz.getName() );
        TermQuery termQuery = new TermQuery( t );
        classFilter.add( termQuery, BooleanClause.Occur.SHOULD );
      }
      BooleanQuery filteredQuery = new BooleanQuery();
      filteredQuery.add( luceneQuery, BooleanClause.Occur.MUST );

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         * @param row the row
         */
        protected void delete(Object[] row) throws SQLException {
            String query = getQuery(row);
            try {
                Term term = new Term(LUCENE_FIELD_QUERY, query);
                /*## LUCENE2 begin ##
                indexAccess.modifier.deleteDocuments(term);
                ## LUCENE2 end ##*/
                //## LUCENE3 begin ##
                indexAccess.writer.deleteDocuments(term);

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          new String[] { "name", "lyric" }, new StandardAnalyzer());
      Query query;
      query = parser.parse(condition);
      booleanQuery.add(query, BooleanClause.Occur.MUST);
      if(artistCityId != null){
        TermQuery tq = new TermQuery(new Term("artistCityId", artistCityId));
        booleanQuery.add(tq, BooleanClause.Occur.MUST);
      }
      org.hibernate.Query hibQuery = fullTextSession.createFullTextQuery(
          booleanQuery, Song.class);
      return hibQuery.list();

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        Calendar cal = Calendar.getInstance();
        cal.setTimeZone(TimeZone.getTimeZone(DroneConfig.getTimezone()));
        cal.setTime(parsed);


        Term begin = new Term("moment", DateField.dateToString(cal.getTime()));


        cal.set(Calendar.HOUR, 23);
        cal.set(Calendar.MINUTE, 59);
        cal.set(Calendar.SECOND, 59);
        Term end = new Term("moment", DateField.dateToString(cal.getTime()));


        query.add(new RangeQuery(begin, end, true), true, false);
      }
      catch (Exception e)
      {
        bean.addValidationError(new ValidationError.WRONGFORMAT("date"));
      }
    }


    boolean beginDatePresent = (bean.getBeginDate() != null && !bean.getBeginDate().equals(""));
    boolean endDatePresent = (bean.getEndDate() != null && !bean.getEndDate().equals(""));


    if (beginDatePresent && endDatePresent)
    {
      String beginDateFormatted = null;
      String endDateFormatted = null;
      try
      {
        Date beginDateParsed = Search.INPUT_DATE_FORMAT_SHORT.parse(bean.getBeginDate());
        Date endDateParsed = Search.INPUT_DATE_FORMAT_SHORT.parse(bean.getEndDate());


        Calendar cal = Calendar.getInstance();
        cal.setTime(endDateParsed);


        cal.set(Calendar.HOUR, 23);
        cal.set(Calendar.MINUTE, 59);
        cal.set(Calendar.SECOND, 59);


        beginDateFormatted = DateField.dateToString(beginDateParsed);
        endDateFormatted = DateField.dateToString(cal.getTime());
      }
      catch (ParseException e)
      {
        bean.addValidationError(new ValidationError.WRONGFORMAT("beginDate"));
        bean.addValidationError(new ValidationError.WRONGFORMAT("endDate"));
      }


      if (bean.getValidationErrors().size() == 0)
      {
        Term begin = new Term("moment", beginDateFormatted);
        Term end = new Term("moment", endDateFormatted);


        query.add(new RangeQuery(begin, end, true), true, false);
      }
    }
    else if (!beginDatePresent && !endDatePresent)

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      doTest(br,3,null,new String[]{"2","1","7"});
      br.setSort(new SortField[]{new SortField("name",SortField.STRING,false)});
      doTest(br,3,null,new String[]{"7","2","1"});
      
      sel.addValue("blue");
      br.setQuery(new TermQuery(new Term("shape","square")));
      br.setSort(new SortField[]{new SortField("number",SortField.CUSTOM,true)});
      doTest(br,3,null,new String[]{"5","1","7"});
      br.setSort(new SortField[]{new SortField("name",SortField.STRING,false)});
      doTest(br,3,null,new String[]{"7","1","5"});
  }

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    doTest(br, 3, answer, new String[] {"1", "2", "7"});


    try
    {
      reader = newIndexReader(false);
      reader.deleteDocuments(new Term("id", "1"));
      reader.deleteDocuments(new Term("id", "2"));
      
      br = new BrowseRequest();
      br.setCount(10);
      br.setOffset(0);

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      reader = (BoboIndexReader)boboReader.reopen();
      assertNotSame(boboReader, reader);
      assertEquals(numDocs+1,reader.numDocs());
      boboReader = reader;
    }
    writer.deleteDocuments(new Term("id","1"));
    writer.commit();
    int numDocs = boboReader.numDocs();
    BoboIndexReader newReader = (BoboIndexReader)boboReader.reopen();
    assertNotSame(newReader,boboReader);
    int numDocs2 = newReader.numDocs();

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