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

Class org.apache.lucene.index.IndexReader

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

org.apache.lucene.index.IndexReader.numDocs()
Returns the number of documents in this index.

    assertTrue("Index does not exist?...!", IndexReader.indexExists(benchmark.getRunData().getDirectory()));
    // now we should be able to open the index for write.
    IndexWriter iw = new IndexWriter(benchmark.getRunData().getDirectory(),null,false, IndexWriter.MaxFieldLength.LIMITED);
    iw.close();
    IndexReader ir = IndexReader.open(benchmark.getRunData().getDirectory());
    assertEquals("1000 docs were added to the index, this is what we expect to find!",1000,ir.numDocs());
    ir.close();
  }


  public void testHighlightingTV() throws Exception {
    // 1. alg definition (required in every "logic" test)

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    assertTrue("Index does not exist?...!", IndexReader.indexExists(benchmark.getRunData().getDirectory()));
    // now we should be able to open the index for write.
    IndexWriter iw = new IndexWriter(benchmark.getRunData().getDirectory(),null,false,IndexWriter.MaxFieldLength.UNLIMITED);
    iw.close();
    IndexReader ir = IndexReader.open(benchmark.getRunData().getDirectory());
    assertEquals("1000 docs were added to the index, this is what we expect to find!",1000,ir.numDocs());
    ir.close();
  }


  public void testHighlightingNoTvNoStore() throws Exception {
    // 1. alg definition (required in every "logic" test)

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    assertTrue("Index does not exist?...!", IndexReader.indexExists(benchmark.getRunData().getDirectory()));
    // now we should be able to open the index for write. 
    IndexWriter iw = new IndexWriter(benchmark.getRunData().getDirectory(),null,false,IndexWriter.MaxFieldLength.UNLIMITED);
    iw.close();
    IndexReader ir = IndexReader.open(benchmark.getRunData().getDirectory());
    assertEquals("1 docs were added to the index, this is what we expect to find!",1,ir.numDocs());
    ir.close();
  }


  /**
   * Test Parallel Doc Maker logic (for LUCENE-940)

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    Benchmark benchmark = execBenchmark(algLines);


    // 3. test number of docs in the index
    IndexReader ir = IndexReader.open(benchmark.getRunData().getDirectory());
    int ndocsExpected = 20; // Reuters20ContentSource exhausts after 20 docs.
    assertEquals("wrong number of docs in the index!", ndocsExpected, ir.numDocs());
    ir.close();
  }


  /**
   * Test WriteLineDoc and LineDocSource.

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    // now we should be able to open the index for write. 
    IndexWriter iw = new IndexWriter(benchmark.getRunData().getDirectory(),null,false,IndexWriter.MaxFieldLength.UNLIMITED);
    iw.close();


    IndexReader ir = IndexReader.open(benchmark.getRunData().getDirectory());
    assertEquals(numLines + " lines were created but " + ir.numDocs() + " docs are in the index", numLines, ir.numDocs());
    ir.close();


    lineFile.delete();
  }

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    // now we should be able to open the index for write. 
    IndexWriter iw = new IndexWriter(benchmark.getRunData().getDirectory(),null,false,IndexWriter.MaxFieldLength.UNLIMITED);
    iw.close();


    IndexReader ir = IndexReader.open(benchmark.getRunData().getDirectory());
    assertEquals(numLines + " lines were created but " + ir.numDocs() + " docs are in the index", numLines, ir.numDocs());
    ir.close();


    lineFile.delete();
  }

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      }
    }


    // Separately count how many tokens are actually in the index:
    IndexReader reader = IndexReader.open(benchmark.getRunData().getDirectory());
    assertEquals(NUM_DOCS, reader.numDocs());


    TermEnum terms = reader.terms();
    TermDocs termDocs = reader.termDocs();
    int totalTokenCount2 = 0;
    while(terms.next()) {

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    Benchmark benchmark = execBenchmark(algLines);


    // 3. test number of docs in the index
    IndexReader ir = IndexReader.open(benchmark.getRunData().getDirectory());
    int ndocsExpected = 2 * 20; // Reuters20ContentSource exhausts after 20 docs.
    assertEquals("wrong number of docs in the index!", ndocsExpected, ir.numDocs());
    ir.close();
  }


  // create the benchmark and execute it. 
  public static Benchmark execBenchmark(String[] algLines) throws Exception {

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    Benchmark benchmark = execBenchmark(algLines);


    // 3. test number of docs in the index
    IndexReader ir = IndexReader.open(benchmark.getRunData().getDirectory());
    int ndocsExpected = 20; // Reuters20ContentSource exhausts after 20 docs.
    assertEquals("wrong number of docs in the index!", ndocsExpected, ir.numDocs());
    ir.close();
  }
  
  /**
   * Test that we can close IndexWriter with argument "false".

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    Benchmark benchmark = execBenchmark(algLines);


    // 3. test number of docs in the index
    IndexReader ir = IndexReader.open(benchmark.getRunData().getDirectory());
    int ndocsExpected = 20; // Reuters20ContentSource exhausts after 20 docs.
    assertEquals("wrong number of docs in the index!", ndocsExpected, ir.numDocs());
    ir.close();
  }


  public static class MyMergeScheduler extends SerialMergeScheduler {
    boolean called;

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