Package org.apache.lucene.index

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

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    assertEquals(50, writer.docCount());
    writer.close();

    // test doc count before segments are merged
    writer = newWriter(dir, false);
    assertEquals(100, writer.docCount());
    writer.addIndexesNoOptimize(new Directory[] { aux, aux2 });
    assertEquals(190, writer.docCount());
    writer.close();

    // make sure the old index is correct
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    // test doc count before segments are merged
    writer = newWriter(dir, false);
    assertEquals(100, writer.docCount());
    writer.addIndexesNoOptimize(new Directory[] { aux, aux2 });
    assertEquals(190, writer.docCount());
    writer.close();

    // make sure the old index is correct
    verifyNumDocs(aux, 40);
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    // now add another set in.
    Directory aux3 = new RAMDirectory();
    writer = newWriter(aux3, true);
    // add 40 documents
    addDocs(writer, 40);
    assertEquals(40, writer.docCount());
    writer.close();

    // test doc count before segments are merged/index is optimized
    writer = newWriter(dir, false);
    assertEquals(190, writer.docCount());
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    assertEquals(40, writer.docCount());
    writer.close();

    // test doc count before segments are merged/index is optimized
    writer = newWriter(dir, false);
    assertEquals(190, writer.docCount());
    writer.addIndexesNoOptimize(new Directory[] { aux3 });
    assertEquals(230, writer.docCount());
    writer.close();

    // make sure the new index is correct
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    // test doc count before segments are merged/index is optimized
    writer = newWriter(dir, false);
    assertEquals(190, writer.docCount());
    writer.addIndexesNoOptimize(new Directory[] { aux3 });
    assertEquals(230, writer.docCount());
    writer.close();

    // make sure the new index is correct
    verifyNumDocs(dir, 230);
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        // add 100 documents
        for (i = 0; i < 100; i++) {
            addDoc(writer);
        }
        assertEquals(100, writer.docCount());
        writer.close();

        // delete 40 documents
        reader = IndexReader.open(dir);
        for (i = 0; i < 40; i++) {
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        }
        reader.close();

        // test doc count before segments are merged/index is optimized
        writer = new IndexWriter(dir, new WhitespaceAnalyzer());
        assertEquals(100, writer.docCount());
        writer.close();

        reader = IndexReader.open(dir);
        assertEquals(100, reader.maxDoc());
        assertEquals(60, reader.numDocs());
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        reader.close();

        // optimize the index and check that the new doc count is correct
        writer = new IndexWriter(dir, true, new WhitespaceAnalyzer());
        writer.optimize();
        assertEquals(60, writer.docCount());
        writer.close();

        // check that the index reader gives the same numbers.
        reader = IndexReader.open(dir);
        assertEquals(60, reader.maxDoc());
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        reader.close();

        // make sure opening a new index for create over
        // this existing one works correctly:
        writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true);
        assertEquals(0, writer.docCount());
        writer.close();
    }

    private void addDoc(IndexWriter writer) throws IOException
    {
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          IndexReader reader = IndexReader.open(dir);
          assertEquals("should be one document", reader.numDocs(), 1);

          // now open index for create:
          writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true);
          assertEquals("should be zero documents", writer.docCount(), 0);
          addDoc(writer);
          writer.close();

          assertEquals("should be one document", reader.numDocs(), 1);
          IndexReader reader2 = IndexReader.open(dir);
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