Package org.apache.accumulo.core.data

Examples of org.apache.accumulo.core.data.Range

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    Combiner ai = new BigDecimalCombiner.BigDecimalSummingCombiner();
    IteratorSetting is = new IteratorSetting(1, BigDecimalCombiner.BigDecimalSummingCombiner.class);
    Combiner.setColumns(is, Collections.singletonList(new IteratorSetting.Column("cf001")));

    ai.init(new SortedMapIterator(tm1), is.getOptions(), null);
    ai.seek(new Range(), EMPTY_COL_FAMS, false);
   
    assertTrue(ai.hasTop());
    assertEquals(CombinerTest.nk(1, 1, 1, 3), ai.getTopKey());
    assertEquals(-9.7, encoder.decode(ai.getTopValue().get()).doubleValue(),delta);
   
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public class RangeInputSplitTest {

  @Test
  public void testSimpleWritable() throws IOException {
    RangeInputSplit split = new RangeInputSplit(new Range(new Key("a"), new Key("b")), new String[]{"localhost"});
   
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(baos);
    split.write(dos);
   
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    Assert.assertTrue(Arrays.equals(split.getLocations(), newSplit.getLocations()));
  }

  @Test
  public void testAllFieldsWritable() throws IOException {
    RangeInputSplit split = new RangeInputSplit(new Range(new Key("a"), new Key("b")), new String[]{"localhost"});
   
    Set<Pair<Text,Text>> fetchedColumns = new HashSet<Pair<Text,Text>>();
   
    fetchedColumns.add(new Pair<Text,Text>(new Text("colf1"), new Text("colq1")));
    fetchedColumns.add(new Pair<Text,Text>(new Text("colf2"), new Text("colq2")));
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    MemoryIterator ski1 = imm.skvIterator();
    mutate(imm, "r1", "foo:cq1", 3, "bar1");
    MemoryIterator ski2 = imm.skvIterator();
   
    ski1.seek(new Range(), LocalityGroupUtil.EMPTY_CF_SET, false);
    assertFalse(ski1.hasTop());
   
    ski2.seek(new Range(), LocalityGroupUtil.EMPTY_CF_SET, false);
    assertTrue(ski2.hasTop());
    ae(ski2, "r1", "foo:cq1", 3, "bar1");
    assertFalse(ski2.hasTop());
   
  }
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    mutate(imm, "r3", "foo:cq1", 3, "bar9");
    mutate(imm, "r3", "foo:cq1", 3, "bara");
   
    MemoryIterator ski2 = imm.skvIterator();
   
    ski1.seek(new Range(new Text("r1")), LocalityGroupUtil.EMPTY_CF_SET, false);
    ae(ski1, "r1", "foo:cq1", 3, "bar2");
    ae(ski1, "r1", "foo:cq1", 3, "bar1");
    assertFalse(ski1.hasTop());
   
    ski2.seek(new Range(new Text("r3")), LocalityGroupUtil.EMPTY_CF_SET, false);
    ae(ski2, "r3", "foo:cq1", 3, "bara");
    ae(ski2, "r3", "foo:cq1", 3, "bar9");
    assertFalse(ski1.hasTop());
   
  }
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    MemoryIterator ski1 = imm.skvIterator();
    mutate(imm, "r1", "foo:cq1", 3, "bar3");
   
    imm.delete(0);
   
    ski1.seek(new Range(new Text("r1")), LocalityGroupUtil.EMPTY_CF_SET, false);
    ae(ski1, "r1", "foo:cq1", 3, "bar2");
    ae(ski1, "r1", "foo:cq1", 3, "bar1");
    assertFalse(ski1.hasTop());
   
    ski1.seek(new Range(new Text("r1")), LocalityGroupUtil.EMPTY_CF_SET, false);
    ae(ski1, "r1", "foo:cq1", 3, "bar2");
    ae(ski1, "r1", "foo:cq1", 3, "bar1");
    assertFalse(ski1.hasTop());
   
    ski1.seek(new Range(new Text("r2")), LocalityGroupUtil.EMPTY_CF_SET, false);
    assertFalse(ski1.hasTop());
   
    ski1.seek(new Range(nk("r1", "foo:cq1", 3), null), LocalityGroupUtil.EMPTY_CF_SET, false);
    ae(ski1, "r1", "foo:cq1", 3, "bar2");
    ae(ski1, "r1", "foo:cq1", 3, "bar1");
    assertFalse(ski1.hasTop());
   
    ski1.close();
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    mutate(imm, "r1", "foo:cq1", 3, "bar1");
    mutate(imm, "r1", "foo:cq1", 3, "bar2");
    mutate(imm, "r1", "foo:cq1", 3, "bar3");
   
    MemoryIterator ski1 = imm.skvIterator();
    ski1.seek(new Range(new Text("r1")), LocalityGroupUtil.EMPTY_CF_SET, false);
    ae(ski1, "r1", "foo:cq1", 3, "bar3");
   
    imm.delete(0);
   
    ae(ski1, "r1", "foo:cq1", 3, "bar2");
    ae(ski1, "r1", "foo:cq1", 3, "bar1");
    assertFalse(ski1.hasTop());
   
    ski1.close();
   
    imm = new InMemoryMap(false, System.getProperty("user.dir") + "/target");
   
    mutate(imm, "r1", "foo:cq1", 3, "bar1");
    mutate(imm, "r1", "foo:cq2", 3, "bar2");
    mutate(imm, "r1", "foo:cq3", 3, "bar3");
   
    ski1 = imm.skvIterator();
    ski1.seek(new Range(new Text("r1")), LocalityGroupUtil.EMPTY_CF_SET, false);
    ae(ski1, "r1", "foo:cq1", 3, "bar1");
   
    imm.delete(0);
   
    ae(ski1, "r1", "foo:cq2", 3, "bar2");
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    mutate(imm, "r1", "foo:cq5", 3, "bar5");
   
    SortedKeyValueIterator<Key,Value> dc = ski1.deepCopy(null);
   
    ski1.seek(new Range(nk("r1", "foo:cq1", 3), null), LocalityGroupUtil.EMPTY_CF_SET, false);
    ae(ski1, "r1", "foo:cq1", 3, "bar1");
   
    dc.seek(new Range(nk("r1", "foo:cq2", 3), null), LocalityGroupUtil.EMPTY_CF_SET, false);
    ae(dc, "r1", "foo:cq2", 3, "bar2");
   
    imm.delete(0);
   
    ae(ski1, "r1", "foo:cq2", 3, "bar2");
    ae(dc, "r1", "foo:cq3", 3, "bar3");
    ae(ski1, "r1", "foo:cq3", 3, "bar3");
    ae(dc, "r1", "foo:cq4", 3, "bar4");
    ae(ski1, "r1", "foo:cq4", 3, "bar4");
    assertFalse(ski1.hasTop());
    assertFalse(dc.hasTop());
   
    ski1.seek(new Range(nk("r1", "foo:cq3", 3), null), LocalityGroupUtil.EMPTY_CF_SET, false);
   
    dc.seek(new Range(nk("r1", "foo:cq4", 3), null), LocalityGroupUtil.EMPTY_CF_SET, false);
    ae(dc, "r1", "foo:cq4", 3, "bar4");
    assertFalse(dc.hasTop());
   
    ae(ski1, "r1", "foo:cq3", 3, "bar3");
    ae(ski1, "r1", "foo:cq4", 3, "bar4");
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      imm.delete(0);
      if (interrupt)
        iflag.set(true);
    }

    dc.seek(new Range(), LocalityGroupUtil.EMPTY_CF_SET, false);
    ski1.seek(new Range(), LocalityGroupUtil.EMPTY_CF_SET, false);

    if (interleaving == 3) {
      imm.delete(0);
      if (interrupt)
        iflag.set(true);
    }

    ae(dc, "r1", "foo:cq1", 3, "bar1");
    ae(ski1, "r1", "foo:cq1", 3, "bar1");
    dc.seek(new Range(), LocalityGroupUtil.EMPTY_CF_SET, false);

    if (interleaving == 4) {
      imm.delete(0);
      if (interrupt)
        iflag.set(true);
    }

    ae(ski1, "r1", "foo:cq2", 3, "bar2");
    ae(dc, "r1", "foo:cq1", 3, "bar1");
    ae(dc, "r1", "foo:cq2", 3, "bar2");
    assertFalse(dc.hasTop());
    assertFalse(ski1.hasTop());

    if (interrupt)
      dc.seek(new Range(), LocalityGroupUtil.EMPTY_CF_SET, false);
  }
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    ArrayList<ByteSequence> columns = new ArrayList<ByteSequence>();
    columns.add(new ArrayByteSequence("bar"));
   
    // this seek resulted in an infinite loop before a bug was fixed
    cfsi.seek(new Range("r1"), columns, true);
   
    assertFalse(cfsi.hasTop());
   
    ski1.close();
  }
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