Package org.apache.accumulo.core.iterators.system

Examples of org.apache.accumulo.core.iterators.system.DeletingIterator.seek()

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    assertTrue("Initial size was " + tm.size(), tm.size() == 21);
   
    Text checkRow = new Text("000");
    try {
      DeletingIterator it = new DeletingIterator(new SortedMapIterator(tm), false);
      it.seek(new Range(), EMPTY_COL_FAMS, false);
     
      TreeMap<Key,Value> tmOut = new TreeMap<Key,Value>();
      while (it.hasTop()) {
        tmOut.put(it.getTopKey(), it.getTopValue());
        it.next();
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      assertFalse(true);
    }
   
    try {
      DeletingIterator it = new DeletingIterator(new SortedMapIterator(tm), true);
      it.seek(new Range(), EMPTY_COL_FAMS, false);
      TreeMap<Key,Value> tmOut = new TreeMap<Key,Value>();
      while (it.hasTop()) {
        tmOut.put(it.getTopKey(), it.getTopValue());
        it.next();
      }
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    nkv(tm, "r000", 1, false, "v1");
   
    DeletingIterator it = new DeletingIterator(new SortedMapIterator(tm), false);
   
    // SEEK two keys before delete
    it.seek(nr("r000", 4), EMPTY_COL_FAMS, false);
   
    assertTrue(it.hasTop());
    assertEquals(nk("r000", 4), it.getTopKey());
    assertEquals("v4", it.getTopValue().toString());
   
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    it.next();
   
    assertFalse(it.hasTop());
   
    // SEEK passed delete
    it.seek(nr("r000", 1), EMPTY_COL_FAMS, false);
   
    assertFalse(it.hasTop());
   
    // SEEK to delete
    it.seek(nr("r000", 2), EMPTY_COL_FAMS, false);
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    it.seek(nr("r000", 1), EMPTY_COL_FAMS, false);
   
    assertFalse(it.hasTop());
   
    // SEEK to delete
    it.seek(nr("r000", 2), EMPTY_COL_FAMS, false);
   
    assertFalse(it.hasTop());
   
    // SEEK right before delete
    it.seek(nr("r000", 3), EMPTY_COL_FAMS, false);
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    it.seek(nr("r000", 2), EMPTY_COL_FAMS, false);
   
    assertFalse(it.hasTop());
   
    // SEEK right before delete
    it.seek(nr("r000", 3), EMPTY_COL_FAMS, false);
   
    assertTrue(it.hasTop());
    assertEquals(nk("r000", 3), it.getTopKey());
    assertEquals("v3", it.getTopValue().toString());
   
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    nkv(tm, "r000", 2, false, "v2");
    nkv(tm, "r000", 2, true, "");
    nkv(tm, "r000", 1, false, "v1");
   
    DeletingIterator it = new DeletingIterator(new SortedMapIterator(tm), false);
    it.seek(new Range(), EMPTY_COL_FAMS, false);
   
    assertTrue(it.hasTop());
    assertEquals(nk("r000", 3), it.getTopKey());
    assertEquals("v3", it.getTopValue().toString());
   
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    it.next();
   
    assertFalse(it.hasTop());
   
    it.seek(nr("r000", 2), EMPTY_COL_FAMS, false);
   
    assertFalse(it.hasTop());
  }
 
  // test range inclusiveness
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    nkv(tm, "r000", 2, true, "");
    nkv(tm, "r000", 1, false, "v1");
   
    DeletingIterator it = new DeletingIterator(new SortedMapIterator(tm), false);
   
    it.seek(nr("r000", 3), EMPTY_COL_FAMS, false);
   
    assertTrue(it.hasTop());
    assertEquals(nk("r000", 3), it.getTopKey());
    assertEquals("v3", it.getTopValue().toString());
   
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    it.next();
   
    assertFalse(it.hasTop());
   
    it.seek(nr("r000", 3, false), EMPTY_COL_FAMS, false);
   
    assertFalse(it.hasTop());
  }
 
  private Range nr(String row, long ts, boolean inclusive) {
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