Package org.teiid.query.processor

Examples of org.teiid.query.processor.BatchIterator.reset()

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    BufferManager bm = BufferManagerFactory.getStandaloneBufferManager();
    bi.setBuffer(bm.createTupleBuffer(Arrays.asList(new ElementSymbol("x")), "test", TupleSourceType.PROCESSOR), true);  //$NON-NLS-1$
    bi.mark();
    bi.nextTuple();
    bi.nextTuple();
    bi.reset();
    bi.nextTuple();
  }
 
  @Test public void testReset1() throws Exception {
    BatchIterator bi = new BatchIterator(new FakeRelationalNode(1, new List[] {
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    TupleBuffer tb = bm.createTupleBuffer(Arrays.asList(new ElementSymbol("x")), "test", TupleSourceType.PROCESSOR);
    bi.setBuffer(tb, true);  //$NON-NLS-1$
    bi.nextTuple();
    bi.mark();
    bi.nextTuple();
    bi.reset();
    assertEquals(2, bi.getCurrentIndex());
    assertEquals(2, bi.nextTuple().get(0));
  }
 
  @Test public void testReset2() throws Exception {
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    bi.hasNext();
    bi.mark();
    bi.nextTuple();
    bi.nextTuple();
    assertNull(bi.nextTuple());
    bi.reset();
    bi.hasNext();
    assertEquals(1, bi.getCurrentIndex());
    assertEquals(1, bi.nextTuple().get(0));
  }
 
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