Package org.apache.lucene.document

Examples of org.apache.lucene.document.IntField.tokenStream()

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  public void testNumericReuse() throws IOException {
    IntField intField = new IntField("foo", 5, Field.Store.NO);
   
    // passing null
    TokenStream ts = intField.tokenStream(null, null);
    assertTrue(ts instanceof NumericTokenStream);
    assertEquals(NumericUtils.PRECISION_STEP_DEFAULT_32, ((NumericTokenStream)ts).getPrecisionStep());
    assertNumericContents(5, ts);

    // now reuse previous stream
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    assertEquals(NumericUtils.PRECISION_STEP_DEFAULT_32, ((NumericTokenStream)ts).getPrecisionStep());
    assertNumericContents(5, ts);

    // now reuse previous stream
    intField = new IntField("foo", 20, Field.Store.NO);
    TokenStream ts2 = intField.tokenStream(null, ts);
    assertSame(ts, ts2);
    assertNumericContents(20, ts);
   
    // pass a bogus stream and ensure its still ok
    intField = new IntField("foo", 2343, Field.Store.NO);
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    assertNumericContents(20, ts);
   
    // pass a bogus stream and ensure its still ok
    intField = new IntField("foo", 2343, Field.Store.NO);
    TokenStream bogus = new CannedTokenStream(new Token("bogus", 0, 5));
    ts = intField.tokenStream(null, bogus);
    assertNotSame(bogus, ts);
    assertNumericContents(2343, ts);
   
    // pass another bogus stream (numeric, but different precision step!)
    intField = new IntField("foo", 42, Field.Store.NO);
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    // pass another bogus stream (numeric, but different precision step!)
    intField = new IntField("foo", 42, Field.Store.NO);
    assert 3 != NumericUtils.PRECISION_STEP_DEFAULT;
    bogus = new NumericTokenStream(3);
    ts = intField.tokenStream(null, bogus);
    assertNotSame(bogus, ts);
    assertNumericContents(42, ts);
  }
 
  static class MyField implements IndexableField {
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