Examples of org.apache.accumulo.core.iterators.MultiIterator

    List<SortedKeyValueIterator<Key,Value>> sources = new ArrayList<SortedKeyValueIterator<Key,Value>>(3);
    sources.add(new SortedMapIterator(tm1));
    sources.add(new SortedMapIterator(tm2));
    sources.add(new SortedMapIterator(tm3));
    
    MultiIterator mi = new MultiIterator(sources, true);
    ai.init(mi, opts, null);
    
    assertTrue(ai.hasTop());
    assertEquals(nk(1, 1, 1, 1), ai.getTopKey());
    assertEquals("9", ai.getTopValue().toString());

    
    SortedMap<Key,Value> map = new TreeMap<Key,Value>();
    map.putAll(map1);
    map.putAll(map2);
    
    MultiIterator source = new MultiIterator(Collections.singletonList((SortedKeyValueIterator<Key,Value>) new SortedMapIterator(map)), new Range(null, true,
        new Text("row1"), true));
    WholeRowIterator iter = new WholeRowIterator(source);
    
    Range range = new Range(new Text("row1"), true, new Text("row2"), true);
    iter.seek(range, new ArrayList<ByteSequence>(), false);

    
    List<SortedKeyValueIterator<Key,Value>> skvil = new ArrayList<SortedKeyValueIterator<Key,Value>>(1);
    skvil.add(new SortedMapIterator(tm1));
    
    KeyExtent extent = new KeyExtent(new Text("tablename"), nr(1), nr(0));
    MultiIterator mi = new MultiIterator(skvil, extent);
    
    Range r1 = new Range((Text) null, (Text) null);
    mi.seek(r1, EMPTY_COL_FAMS, false);
    assertTrue(mi.hasTop());
    assertTrue(mi.getTopValue().toString().equals("5"));
    mi.next();
    assertTrue(mi.hasTop());
    assertTrue(mi.getTopValue().toString().equals("6"));
    mi.next();
    assertTrue(mi.hasTop());
    assertTrue(mi.getTopValue().toString().equals("7"));
    mi.next();
    assertFalse(mi.hasTop());
    
    Range r2 = new Range(nk(0, 0), true, nk(1, 1), true);
    mi.seek(r2, EMPTY_COL_FAMS, false);
    assertTrue(mi.hasTop());
    assertTrue(mi.getTopValue().toString().equals("5"));
    mi.next();
    assertTrue(mi.hasTop());
    assertTrue(mi.getTopValue().toString().equals("6"));
    mi.next();
    assertFalse(mi.hasTop());
    
    Range r3 = new Range(nk(0, 0), false, nk(1, 1), false);
    mi.seek(r3, EMPTY_COL_FAMS, false);
    assertTrue(mi.hasTop());
    assertTrue(mi.getTopValue().toString().equals("5"));
    mi.next();
    assertFalse(mi.hasTop());
    
    Range r4 = new Range(nk(1, 2), true, nk(1, 1), false);
    mi.seek(r4, EMPTY_COL_FAMS, false);
    assertTrue(mi.hasTop());
    assertTrue(mi.getTopValue().toString().equals("5"));
    mi.next();
    assertFalse(mi.hasTop());
    
    Range r5 = new Range(nk(1, 2), false, nk(1, 1), true);
    mi.seek(r5, EMPTY_COL_FAMS, false);
    assertTrue(mi.hasTop());
    assertTrue(mi.getTopValue().toString().equals("6"));
    mi.next();
    assertFalse(mi.hasTop());
    
    Range r6 = new Range(nk(2, 1), true, nk(2, 0), true);
    mi.seek(r6, EMPTY_COL_FAMS, false);
    assertFalse(mi.hasTop());
    
    Range r7 = new Range(nk(0, 3), true, nk(0, 1), true);
    mi.seek(r7, EMPTY_COL_FAMS, false);
    assertFalse(mi.hasTop());
  }

Examples of org.apache.accumulo.core.iterators.MultiIterator

Related Classes of org.apache.accumulo.core.iterators.MultiIterator