Package org.apache.lucene.index

Examples of org.apache.lucene.index.RandomIndexWriter.deleteDocuments()

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    // cache hit:
    assertEquals(missCount, filter.missCount);

    // now delete the doc, refresh the reader, and see that it's not there
    writer.deleteDocuments(new Term("id", "1"));

    // NOTE: important to hold ref here so GC doesn't clear
    // the cache entry!  Else the assert below may sometimes
    // fail:
    oldReader = reader;
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    docs = searcher.search(constantScore, 1);
    assertEquals("[just filter] Should find a hit...", 2, docs.totalHits);
    assertEquals(missCount, filter.missCount);

    // now delete the doc, refresh the reader, and see that it's not there
    writer.deleteDocuments(new Term("id", "1"));

    reader = refreshReader(reader);
    searcher = newSearcher(reader, false);

    docs = searcher.search(new MatchAllDocsQuery(), filter, 1);
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      }
    }
   
    int numDeletions = random().nextInt(num/10);
    for (int i = 0; i < numDeletions; i++) {
      writer.deleteDocuments(new Term("id", Integer.toString(random().nextInt(num))));
    }
   
    reader = writer.getReader();
    searcher1 = newSearcher(reader);
    searcher2 = newSearcher(reader);
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      }
    }
   
    int numDeletions = random().nextInt(num/10);
    for (int i = 0; i < numDeletions; i++) {
      writer.deleteDocuments(new Term("id", Integer.toString(random().nextInt(num))));
    }
   
    reader = writer.getReader();
    searcher1 = newSearcher(reader);
    searcher2 = newSearcher(reader);
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      idField.setStringValue(Integer.toString(i));
      titleField.setStringValue(fieldValue(1));
      bodyField.setStringValue(fieldValue(3));
      iw.addDocument(doc);
      if (random().nextInt(20) == 0) {
        iw.deleteDocuments(new Term("id", Integer.toString(i)));
      }
    }
    if (random().nextBoolean()) {
      // delete 1-100% of docs
      iw.deleteDocuments(new Term("title", terms[random().nextInt(terms.length)]));
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        iw.deleteDocuments(new Term("id", Integer.toString(i)));
      }
    }
    if (random().nextBoolean()) {
      // delete 1-100% of docs
      iw.deleteDocuments(new Term("title", terms[random().nextInt(terms.length)]));
    }
    iw.close();
    dir.close(); // checkindex
  }
 
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    }

    final int numDelDocs = atLeast(10);
    for(int i=0;i<numDelDocs;i++) {
      final String delID = ""+random().nextInt(numDocs);
      w.deleteDocuments(new Term("id", delID));
      aDocs.remove(delID);
    }

    final IndexReader r = w.getReader();
    w.close();
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    for(int i=0; i < termsToDel.size() ; i++) {
      delTerms[i] = new Term(FIELD_NAME, termsToDel.get(i));
    }
   
    for(Term delTerm: delTerms) {
      writer.deleteDocuments(delTerm); 
    }
    writer.commit();
    writer.close();
   
    for(String termToDel: termsToDel) {
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    final RandomIndexWriter iw2 = new RandomIndexWriter(new Random(seed), dir2, iwc2);
    for (int i = 0; i < numDocs; ++i) {
      if (random().nextInt(5) == 0 && i != numDocs - 1) {
        final String term = RandomPicks.randomFrom(random(), terms);
        iw1.deleteDocuments(new Term("s", term));
        iw2.deleteDocuments(new Term("s", term));
      }
      final Document doc = randomDocument();
      iw1.addDocument(doc);
      iw2.addDocument(doc);
      if (random().nextInt(8) == 0) {
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    for (Integer id : ids) {
      if (random.nextDouble() < 0.2) {
        if (VERBOSE) {
          System.out.println("delete doc_id " + id);
        }
        writer.deleteDocuments(new Term(ID_FIELD, id.toString()));
      }
    }
    writer.close();
  }
 
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