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

Class org.apache.lucene.index.IndexWriter

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

org.apache.lucene.index.IndexWriter.numDocs()
Returns total number of docs in this index, including docs not yet flushed (still in the RAM buffer), and including deletions. NOTE: buffered deletions are not counted. If you really need these to be counted you should call {@link #commit()} first. @see #numDocs

      Document doc = ir.document(docID);
      if (testDocIDs.contains(docID)) {
        testIW.addDocument(doc);
      }
      else {
        if (trainIW.numDocs() < numTraining) {
          trainDocIDs.add(docID);
          trainIW.addDocument(doc);
        }
      }
    }

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    for (int docID = 0; docID < hits.length; ++docID) {
      Document doc = ir.document(docID);
      if (docID < numTesting)
        testIW.addDocument(doc);
      else {
        if (trainIW.numDocs() > numTraining)
          continue;
        trainIW.addDocument(doc);
      }
    }
    ir.close();

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        else if (fieldName.equals("subject"))
          subjectLen += fieldValue.length();
      }
    }


    System.out.println(iw.numDocs());
    iw.commit();
    iw.close();
    reader.close();
  }

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        Assert.assertTrue("writer has no deletions", w.hasDeletions());


      Assert.assertEquals("writer is missing some deleted docs", 
                          numDeletedDocs, w.maxDoc());
      Assert.assertEquals("writer has non-deleted docs", 
                          0, w.numDocs());
      w.close();
      DirectoryReader r = DirectoryReader.open(d);
      Assert.assertEquals("reader has wrong number of deleted docs", 
                          numDeletedDocs, r.numDeletedDocs());
      return r;

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      StandardAnalyzer analyzer = new StandardAnalyzer(luceneVersion);
      QueryParser qp = new QueryParser(luceneVersion, Lucene.rid.name(), analyzer);
      BooleanQuery query = new BooleanQuery();
      query.add(qp.parse(repository.getRID()), Occur.MUST);


      int numDocsBefore = writer.numDocs();
      writer.deleteDocuments(query);
      writer.commit();
      closeSearcher();
      int numDocsAfter = writer.numDocs();
      if (numDocsBefore == numDocsAfter) {

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      int numDocsBefore = writer.numDocs();
      writer.deleteDocuments(query);
      writer.commit();
      closeSearcher();
      int numDocsAfter = writer.numDocs();
      if (numDocsBefore == numDocsAfter) {
        log.debug(MessageFormat.format("no records found to delete in {0}", repository));
        return false;
      } else {
        log.debug(MessageFormat.format("deleted {0} records in {1}", numDocsBefore - numDocsAfter, repository));

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    StandardAnalyzer analyzer = new StandardAnalyzer(LUCENE_VERSION);
    QueryParser qp = new QueryParser(LUCENE_VERSION, FIELD_SUMMARY, analyzer);
    query.add(qp.parse(q), Occur.MUST);


    IndexWriter writer = getIndexWriter(repositoryName);
    int numDocsBefore = writer.numDocs();
    writer.deleteDocuments(query);
    writer.commit();
    int numDocsAfter = writer.numDocs();
    if (numDocsBefore == numDocsAfter) {
      logger.debug(MessageFormat.format("no records found to delete {0}", query.toString()));

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    IndexWriter writer = getIndexWriter(repositoryName);
    int numDocsBefore = writer.numDocs();
    writer.deleteDocuments(query);
    writer.commit();
    int numDocsAfter = writer.numDocs();
    if (numDocsBefore == numDocsAfter) {
      logger.debug(MessageFormat.format("no records found to delete {0}", query.toString()));
      return false;
    } else {
      logger.debug(MessageFormat.format("deleted {0} records with {1}", numDocsBefore - numDocsAfter, query.toString()));

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        Assert.assertTrue("writer has no deletions", w.hasDeletions());


      Assert.assertEquals("writer is missing some deleted docs", 
                          numDeletedDocs, w.maxDoc());
      Assert.assertEquals("writer has non-deleted docs", 
                          0, w.numDocs());
      w.close();
      IndexReader r = IndexReader.open(d);
      Assert.assertEquals("reader has wrong number of deleted docs", 
                          numDeletedDocs, r.numDeletedDocs());
      r.close();

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    doc.add(new TextField("description", ts));
    
    // this should not fail because we have no TermToBytesRefAttribute
    writer.addDocument(doc);
    
    assertEquals(1, writer.numDocs());


    writer.close();
    directory.close();
  }

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