Package it.unimi.dsi.mg4j.search

Examples of it.unimi.dsi.mg4j.search.DocumentIterator.intervalIterator()

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    Query query = simpleParser.parse( "(a|b|d)<(a|b|d)" );
    DocumentIteratorBuilderVisitor documentIteratorBuilderVisitor = new DocumentIteratorBuilderVisitor( null, index, Integer.MAX_VALUE );
    DocumentIterator documentIterator = query.accept( documentIteratorBuilderVisitor );
    documentIterator.nextDocument();
    IntervalIterator intervalIterator = documentIterator.intervalIterator();
    assertEquals( Interval.valueOf( 0, 1 ), intervalIterator.nextInterval() );
    assertEquals( Interval.valueOf( 1, 2 ), intervalIterator.nextInterval() );
    assertEquals( Interval.valueOf( 2, 4 ), intervalIterator.nextInterval() );
    assertFalse( intervalIterator.hasNext() );
    documentIterator.dispose();
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        } );
    DocumentIterator orderedAndDocumentIterator = OrderedAndDocumentIterator.getInstance( i0, i1, i2 );
    assertTrue( orderedAndDocumentIterator.hasNext() );
    assertEquals( 0, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 0, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 0, 1 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertEquals( Interval.valueOf( 1, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 1, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 1, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 1, 3 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
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    DocumentIterator orderedAndDocumentIterator = OrderedAndDocumentIterator.getInstance( i0, i1, i2 );
    assertTrue( orderedAndDocumentIterator.hasNext() );
    assertEquals( 0, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 0, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 0, 1 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertEquals( Interval.valueOf( 1, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 1, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 1, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 1, 3 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
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    assertTrue( orderedAndDocumentIterator.hasNext() );
    assertEquals( 0, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 0, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 0, 1 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertEquals( Interval.valueOf( 1, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 1, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 1, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 1, 3 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 2, orderedAndDocumentIterator.nextDocument() );
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    assertEquals( Interval.valueOf( 0, 1 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertEquals( Interval.valueOf( 1, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 1, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 1, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 1, 3 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 2, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 2, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
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    assertEquals( Interval.valueOf( 1, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 1, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 1, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 1, 3 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 2, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 2, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 3, orderedAndDocumentIterator.nextDocument() );
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    assertEquals( 1, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 1, 3 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 2, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 2, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 3, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 3, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 0, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
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    assertEquals( Interval.valueOf( 1, 3 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 2, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 2, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 3, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 3, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 0, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertFalse( orderedAndDocumentIterator.hasNext() );
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    assertEquals( 2, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 3, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 3, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 0, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertFalse( orderedAndDocumentIterator.hasNext() );
  }

  public void testAllAlignmentFailures() throws IOException {
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    assertEquals( Interval.valueOf( 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 3, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 3, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 0, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertFalse( orderedAndDocumentIterator.hasNext() );
  }

  public void testAllAlignmentFailures() throws IOException {
    DocumentIterator i0 = new IntArrayDocumentIterator( new int[] { 0, 1, 2, 3, 4 },
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