Examples of org.apache.lucene.document.Document

org.apache.lucene.document.Document
Documents are the unit of indexing and search. A Document is a set of fields. Each field has a name and a textual value. A field may be {@link Fieldable#isStored() stored} with the document, in whichcase it is returned with search hits on the document. Thus each document should typically contain one or more stored fields which uniquely identify it.
Note that fields which are not {@link Fieldable#isStored() stored} arenot available in documents retrieved from the index, e.g. with {@link ScoreDoc#doc}, {@link Searcher#doc(int)} or {@link IndexReader#document(int)}.

      if (urlHash == null) {
        throw new NullPointerException(
            "Can't add document to the index. Doc is missing URL hash. doc:"
                + doc);
      }
      Document leadDoc = findLeadDocument(urlHash);
      if (leadDoc == null) {
        doc = DocumentCreator.addIndexTypeLead(doc);
        logger.debug("Added Lead Index Type to doc = " + doc.get(DocumentCreator.FIELD_BOOKMARK_ID));
      }

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        throw new NullPointerException(
            "Can't delete document from the index. Doc is missing URL hash. doc:"
                + doc);
      }
      writer.flush();
      Document leadDoc = findLeadDocument(urlHash);
      if (leadDoc == null) {
        Document nonleadDoc = findNonLeadDocument(urlHash);
        if (nonleadDoc != null) {
          logger.debug("After deleting found a new Lead document. doc = " + nonleadDoc.get(DocumentCreator.FIELD_BOOKMARK_ID));
          nonleadDoc = DocumentCreator.addIndexTypeLead(nonleadDoc);
          doUpdate(nonleadDoc, writer);
        }
      }
    }

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      indexWriter = new IndexWriter(directory, new KeywordAnalyzer(),
          true);
      for (Tag tag : tags) {
        String t = tag.getLabel();
        if (t.length() >= 3) {
          Document doc = createDocument(t);
          indexWriter.addDocument(doc);
        }
      }
      indexWriter.optimize();
    } finally {

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    }
    return null;
  }


  private Document createDocument(String suggestTerm) {
    Document doc = new Document();
    doc.add(new Field("t", suggestTerm, Field.Store.YES,
        Field.Index.UN_TOKENIZED));
    return doc;
  }

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          StringTokenizer tokenizer = new StringTokenizer(aline,
              "\n\r\f", false);
          while (tokenizer.hasMoreTokens()) {
            String token = tokenizer.nextToken().trim();
            if (token != null) {
              Document doc = createDocument(token);
              indexWriter.addDocument(doc);
            }
          }
          aline = dataReader.readLine();
        }

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  /* (non-Javadoc)
   * @see com.gnizr.core.bookmark.BookmarkListener#notifyAdded(com.gnizr.core.bookmark.BookmarkManager, com.gnizr.db.dao.Bookmark)
   */
  public void notifyAdded(BookmarkManager manager, Bookmark bookmark)
      throws Exception {  
    Document doc = DocumentCreator.createDocument(bookmark);
    if(doc != null){
      logger.debug("notify SearchIndexManager to addIndex: " + bookmark.toString());
      searchIndexManager.addIndex(doc);
    }
  }

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  /* (non-Javadoc)
   * @see com.gnizr.core.bookmark.BookmarkListener#notifyDeleted(com.gnizr.core.bookmark.BookmarkManager, com.gnizr.db.dao.Bookmark)
   */
  public void notifyDeleted(BookmarkManager manager, Bookmark bookmark)
      throws Exception {
    Document doc = DocumentCreator.createDocument(bookmark);
    if(doc != null){
      logger.debug("notify SearchIndexManager to deleteIndex: " + bookmark.toString());
      searchIndexManager.deleteIndex(doc);
    }

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  /* (non-Javadoc)
   * @see com.gnizr.core.bookmark.BookmarkListener#notifyUpdated(com.gnizr.core.bookmark.BookmarkManager, com.gnizr.db.dao.Bookmark, com.gnizr.db.dao.Bookmark)
   */
  public void notifyUpdated(BookmarkManager manager, Bookmark oldBookmark,
      Bookmark newBookmark) throws Exception {
    Document doc = DocumentCreator.createDocument(newBookmark);
    if(doc != null){
      logger.debug("notify SearchIndexManager to updateIndex: " + newBookmark.toString());
      searchIndexManager.updateIndex(doc);
    }

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    bookmarkPager = new BookmarkPager(getGnizrDao());
    
    DaoResult<Bookmark> result = bookmarkPager.pageAllBookmark(new User(2));
    List<Bookmark> bmarks = result.getResult();
    for(Bookmark bm : bmarks){
      Document doc = DocumentCreator.createDocument(bm);      
      manager.addIndex(doc);
    }
    
    result = bookmarkPager.pageAllBookmark(new User(3));
    bmarks = result.getResult();
    
    for(Bookmark bm : bmarks){
      Document doc = DocumentCreator.createDocument(bm);
      manager.addIndex(doc);
    }
    
    Thread.sleep(10000);

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    manager.setProfile(profile);
    manager.init();
    
    urlHash = "a1234567890";


    doc1 = new Document();
    doc1.add(DocumentCreator.createFieldUrlHash(urlHash));    
    doc1.add(DocumentCreator.createFieldBookmarkId(111));
    
    doc2 = new Document();
    doc2.add(DocumentCreator.createFieldUrlHash(urlHash));
    doc2.add(DocumentCreator.createFieldBookmarkId(112));
    doc2 = DocumentCreator.addIndexTypeLead(doc2);
  }

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