Examples of org.apache.lucene.index.IndexWriter.updateDocument()

Class org.apache.lucene.index.IndexWriter

Examples of org.apache.lucene.index.IndexWriter.updateDocument()

org.apache.lucene.index.IndexWriter.updateDocument()
Updates a document by first deleting the document(s) containing term and then adding the new document. The delete and then add are atomic as seen by a reader on the same index (flush may happen only after the add).
NOTE: if this method hits an OutOfMemoryError you should immediately close the writer. See above for details.
@param term the term to identify the document(s) to bedeleted @param doc the document to be added @throws CorruptIndexException if the index is corrupt @throws IOException if there is a low-level IO error

  public static List<Tag> extractTag(List<? extends Indexable> list) throws CorruptIndexException, LockObtainFailedException, IOException, ItemException {
    RAMDirectory directory = new RAMDirectory();
    IndexWriter writer = new IndexWriter(directory, new StandardAnalyzer(Version.LUCENE_30), IndexWriter.MaxFieldLength.LIMITED);


    for (Indexable item : list) {
      writer.updateDocument(item.getTerm(),item.getDocument());
    }
    
    writer.optimize();
    writer.close();

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    final IndexWriterConfig config = new IndexWriterConfig(
        ConstResolver.VERSION, analyzer);


    final IndexWriter writer = new IndexWriter(getDirectory(), config);


    writer.updateDocument(Status.TERM, doc);


    writer.close();


  }

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  public void index(T item) throws CorruptIndexException, IOException, ItemException {
    FSDirectory directory = FSDirectory.open(new File(Application.getApplication().getNoteIndexPath()));
    IndexWriter writer = new IndexWriter(directory, new StandardAnalyzer(Version.LUCENE_30), IndexWriter.MaxFieldLength.LIMITED);


    writer.updateDocument(new Term(type + "_id", item.getId().toString()), item.getDocument());
    writer.optimize();
    writer.close();
    directory.close();
  }

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  public static List<Tag> extractTag(List<? extends Indexable> list) throws CorruptIndexException, LockObtainFailedException, IOException, ItemException {
    RAMDirectory directory = new RAMDirectory();
    IndexWriter writer = new IndexWriter(directory, new StandardAnalyzer(Version.LUCENE_30), IndexWriter.MaxFieldLength.LIMITED);


    for (Indexable item : list) {
      writer.updateDocument(item.getTerm(),item.getDocument());
    }
    
    writer.optimize();
    writer.close();

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      Field field = new TextField("content", strs[i] , Field.Store.YES);
      doc.add(field);
      if (writer.getConfig().getOpenMode() == OpenMode.CREATE) {
        writer.addDocument(doc);
      } else {
        writer.updateDocument(new Term("content",strs[i]), doc);
      }
    }
    writer.close();
    
    //！！这句话是不是漏了

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        IndexWriter writer = null;
        
        try
        {
            writer = openIndex(false);
            writer.updateDocument(t, doc);
        }
        catch(Exception e)
        {
            log.error(e.getMessage(),e);
        }

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              doc.removeFields(ArtifactInfo.LAST_MODIFIED);


              doc.add(new Field(ArtifactInfo.LAST_MODIFIED, Long.toString(lm), Field.Store.YES,
                  Field.Index.NO));


              iw.updateDocument(new Term(ArtifactInfo.UINFO, doc.get(ArtifactInfo.UINFO)), doc);
            }
          }
        }


        ctx.optimize();

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    public void setRootGroups( IndexingContext context, Collection<String> groups )
        throws IOException
    {
        IndexWriter w = context.getIndexWriter();


        w.updateDocument(
            new Term( ArtifactInfo.ROOT_GROUPS, ArtifactInfo.ROOT_GROUPS_VALUE ),
            createRootGroupsDocument( groups ) );


        w.flush();
    }

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    public void setAllGroups( IndexingContext context, Collection<String> groups )
        throws IOException
    {
        IndexWriter w = context.getIndexWriter();


        w.updateDocument(
            new Term( ArtifactInfo.ALL_GROUPS, ArtifactInfo.ALL_GROUPS_VALUE ),
            createAllGroupsDocument( groups ) );


        w.flush();
    }

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    public void update( IndexingContext context, ArtifactContext ac )
        throws IOException
    {
        IndexWriter w = context.getIndexWriter();


        w.updateDocument( getKeyTerm( ac ), createDocument( context, ac ) );
        
        w.flush();
        
        context.updateTimestamp();
    }

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