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

Class it.unimi.dsi.mg4j.search.DocumentIterator

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

it.unimi.dsi.mg4j.search.DocumentIterator.intervalIterator()
Returns the interval iterator of this document iterator for single-index queries.
This is a commodity method that can be used only for queries built over a single index. @return an interval iterator. @see #intervalIterator(Index) @throws IllegalStateException if this document iterator is not built on a single index.

    DocumentIterator orderedAndDocumentIterator = OrderedAndDocumentIterator.getInstance( i0, i1, i2, i3 );
    assertTrue( orderedAndDocumentIterator.hasNext() );
    assertEquals( 0, orderedAndDocumentIterator.nextDocument() );
    assertEquals( Interval.valueOf( 1, 10 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertEquals( Interval.valueOf( 4, 15 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
  }


  public void testIndexIntervalIterator() throws IOException {
    DocumentIterator i0 = new IntArrayIndexIterator( new int[] { 0, 1, 2, 3, 4, 5 }, 
        new int[][] {

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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, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 1, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 1, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 0, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );

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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, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 1, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 1, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 0, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 3, orderedAndDocumentIterator.nextDocument() );

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    assertEquals( 0, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 0, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 1, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 1, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 0, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 3, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 3, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 1, 4 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertEquals( Interval.valueOf( 2, 8 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );

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    assertEquals( Interval.valueOf( 0, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 1, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 1, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 0, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 3, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 3, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 1, 4 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertEquals( Interval.valueOf( 2, 8 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );

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    assertEquals( 1, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 0, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 3, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 3, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 1, 4 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertEquals( Interval.valueOf( 2, 8 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 4, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 4, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 2, 4 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );

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    assertEquals( Interval.valueOf( 0, 2 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 3, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 3, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 1, 4 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertEquals( Interval.valueOf( 2, 8 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 4, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 4, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 2, 4 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );

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    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 3, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 3, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 1, 4 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertEquals( Interval.valueOf( 2, 8 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 4, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 4, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 2, 4 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 5, orderedAndDocumentIterator.nextDocument() );

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    assertEquals( Interval.valueOf( 1, 4 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertEquals( Interval.valueOf( 2, 8 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 4, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 4, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 2, 4 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 5, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 5, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 1, 5 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );

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    assertEquals( Interval.valueOf( 2, 8 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 4, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 4, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 2, 4 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertEquals( 5, orderedAndDocumentIterator.nextDocument() );
    assertEquals( 5, orderedAndDocumentIterator.document() );
    assertEquals( Interval.valueOf( 1, 5 ), orderedAndDocumentIterator.intervalIterator().nextInterval() );
    assertFalse( orderedAndDocumentIterator.intervalIterator().hasNext() );
    assertFalse( orderedAndDocumentIterator.hasNext() );

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