Package org.apache.accumulo.core.iterators

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

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      tm.put(k, dv);
    }
    assertTrue(tm.size() == 1000);
   
    ColumnAgeOffFilter a = new ColumnAgeOffFilter();
    a.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    a.overrideCurrentTime(ts);
    a.seek(new Range(), EMPTY_COL_FAMS, false);
    assertEquals(size(a), 902);
   
    ColumnAgeOffFilter.addTTL(is, new IteratorSetting.Column("a", "b"), 101l);
    a.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    a.overrideCurrentTime(ts);
    a.seek(new Range(), EMPTY_COL_FAMS, false);
    assertEquals(size(a), 102);
   
    ColumnAgeOffFilter.removeTTL(is, new IteratorSetting.Column("a", "b"));
    a.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    a = (ColumnAgeOffFilter) a.deepCopy(null);
    a.overrideCurrentTime(ts);
    a.seek(new Range(), EMPTY_COL_FAMS, false);
    assertEquals(size(a), 902);
  }
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    }
    assertTrue(tm.size() == 1000);
   
    ColumnAgeOffFilter a = new ColumnAgeOffFilter();
    assertTrue(a.validateOptions(is.getOptions()));
    a.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    a.overrideCurrentTime(ts);
    a.seek(new Range(), EMPTY_COL_FAMS, false);
    assertEquals(size(a), 902);
   
    ColumnAgeOffFilter.addTTL(is, new IteratorSetting.Column("a", "b"), 101l);
    a.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    a.overrideCurrentTime(ts);
    a.seek(new Range(), EMPTY_COL_FAMS, false);
    assertEquals(size(a), 102);
   
    ColumnAgeOffFilter.removeTTL(is, new IteratorSetting.Column("a", "b"));
    a.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    a = (ColumnAgeOffFilter) a.deepCopy(null);
    a.overrideCurrentTime(ts);
    a.seek(new Range(), EMPTY_COL_FAMS, false);
    assertEquals(size(a), 902);
  }
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    IteratorSetting is = new IteratorSetting(1, RegExFilter.class);
    RegExFilter.setRegexs(is, ".*2", null, null, null, false);
   
    assertTrue(rei.validateOptions(is.getOptions()));
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);
   
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k3));
    rei.next();
    assertFalse(rei.hasTop());
       
    // -----------------------------------------------------
    // Test substring regex
    is.clearOptions();
   
    RegExFilter.setRegexs(is, null, null, null, "amst", false, true); // Should only match hamster
   
    rei.validateOptions(is.getOptions());
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);
   
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k3));
    rei.next();
    assertFalse(rei.hasTop());
   
    // -----------------------------------------------------
    is.clearOptions();
   
    RegExFilter.setRegexs(is, null, "ya.*", null, null, false);
    assertTrue(rei.validateOptions(is.getOptions()));
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);
   
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k2));
    rei.next();
    assertFalse(rei.hasTop());
   
    // -----------------------------------------------------
    is.clearOptions();
   
    RegExFilter.setRegexs(is, null, null, ".*01", null, false);
    assertTrue(rei.validateOptions(is.getOptions()));
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);
   
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k1));
    rei.next();
    assertFalse(rei.hasTop());
   
    // -----------------------------------------------------
    is.clearOptions();
   
    RegExFilter.setRegexs(is, null, null, null, ".*at", false);
    assertTrue(rei.validateOptions(is.getOptions()));
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);
   
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k2));
    rei.next();
    assertFalse(rei.hasTop());
   
    // -----------------------------------------------------
    is.clearOptions();
   
    RegExFilter.setRegexs(is, null, null, null, ".*ap", false);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);
   
    assertFalse(rei.hasTop());
   
    // -----------------------------------------------------
    is.clearOptions();
   
    RegExFilter.setRegexs(is, null, "ya.*", null, ".*at", false);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);
   
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k2));
    rei.next();
    assertFalse(rei.hasTop());
   
    // -----------------------------------------------------
    is.clearOptions();
   
    RegExFilter.setRegexs(is, null, "ya.*", null, ".*ap", false);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);
   
    assertFalse(rei.hasTop());
   
    // -----------------------------------------------------
    is.clearOptions();
   
    RegExFilter.setRegexs(is, "boo1", null, null, null, false);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);
   
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k2));
    rei.next();
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k1));
    rei.next();
    assertFalse(rei.hasTop());
   
    // -----------------------------------------------------
    is.clearOptions();
   
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);
   
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k2));
    rei.next();
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k1));
    rei.next();
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k3));
    rei.next();
    assertFalse(rei.hasTop());
   
    // -----------------------------------------------------
    is.clearOptions();
   
    RegExFilter.setRegexs(is, "hamster", null, "hamster", "hamster", true);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);
   
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k3));
    rei.next();
    assertFalse(rei.hasTop());
   
    // -----------------------------------------------------
    is.clearOptions();
   
    RegExFilter.setRegexs(is, null, "ya.*", "hamster", null, true);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);
   
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k2));
    rei.next();
    assertFalse(rei.hasTop());
   
    is.clearOptions();
   
    RegExFilter.setRegexs(is, null, "ya.*", "hamster", null, true);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);
    rei.deepCopy(new DefaultIteratorEnvironment());
   
    // -----------------------------------------------------
    String multiByteText = new String("\u6d67" + "\u6F68" + "\u7067");
    String multiByteRegex = new String(".*" + "\u6F68" + ".*");
   
    Key k4 = new Key("boo4".getBytes(), "hoo".getBytes(), "20080203".getBytes(), "".getBytes(), 1l);
    Value inVal = new Value(multiByteText.getBytes("UTF-8"));
    tm.put(k4, inVal);
   
    is.clearOptions();
   
    RegExFilter.setRegexs(is, null, null, null, multiByteRegex, true);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);
   
    assertTrue(rei.hasTop());
    Value outValue = rei.getTopValue();
    String outVal = new String(outValue.get(), "UTF-8");
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    IteratorSetting is = new IteratorSetting(1, SummingCombiner.class);
    LongCombiner.setEncodingType(is, VarLenEncoder.class.getName());
    Combiner.setColumns(is, Collections.singletonList(new IteratorSetting.Column("cf001")));
   
    ai.init(new SortedMapIterator(tm1), is.getOptions(), new DefaultIteratorEnvironment());
   
    // try seeking to the beginning of a key that aggregates
   
    ai.seek(nr(1, 1, 1, 3, false), EMPTY_COL_FAMS, false);
   
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    IteratorSetting is = new IteratorSetting(1, SummingCombiner.class);
    LongCombiner.setEncodingType(is, SummingCombiner.Type.FIXEDLEN);
    Combiner.setColumns(is, Collections.singletonList(new IteratorSetting.Column("cf001")));
   
    ai.init(new SortedMapIterator(tm1), is.getOptions(), new DefaultIteratorEnvironment());
   
    ai.seek(nr(1, 1, 1, 4, true), EMPTY_COL_FAMS, false);
   
    assertTrue(ai.hasTop());
    assertEquals(nk(1, 1, 1, 4), ai.getTopKey());
    assertEquals("7", encoder.decode(ai.getTopValue().get()).toString());
   
    ai.next();
    assertTrue(ai.hasTop());
    assertEquals(nk(1, 1, 1, 2, true), ai.getTopKey());
    assertEquals("0", encoder.decode(ai.getTopValue().get()).toString());
   
    ai.next();
    assertFalse(ai.hasTop());
   
    tm1 = new TreeMap<Key,Value>();
    nkv(tm1, 1, 1, 1, 2, true, 0l, encoder);
    ai = new SummingCombiner();
    ai.init(new SortedMapIterator(tm1), is.getOptions(), new DefaultIteratorEnvironment());
   
    ai.seek(nr(1, 1, 1, 4, true), EMPTY_COL_FAMS, false);
   
    assertTrue(ai.hasTop());
    assertEquals(nk(1, 1, 1, 2, true), ai.getTopKey());
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    SortedMapIterator smi = new SortedMapIterator(tm);
    Combiner iter = new SummingCombiner();
    IteratorSetting s = new IteratorSetting(10, "s", SummingCombiner.class);
    SummingCombiner.setColumns(s, Collections.singletonList(new IteratorSetting.Column("count")));
    SummingCombiner.setEncodingType(s, LongCombiner.StringEncoder.class);
    iter.init(smi, s.getOptions(), new DefaultIteratorEnvironment());
    Combiner iter2 = new SummingCombiner();
    IteratorSetting s2 = new IteratorSetting(10, "s2", SummingCombiner.class);
    SummingCombiner.setColumns(s2, Collections.singletonList(new IteratorSetting.Column("count","a")));
    SummingCombiner.setEncodingType(s2, LongCombiner.StringEncoder.class);
    iter2.init(iter, s.getOptions(), new DefaultIteratorEnvironment());
    iter2.seek(new Range(), EMPTY_COL_FAMS, false);
   
    assertTrue(iter2.hasTop());
    assertEquals("2", iter2.getTopValue().toString());
    iter2.next();
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    IteratorSetting is = new IteratorSetting(1, RegExFilter.class);
    RegExFilter.setRegexs(is, ".*2", null, null, null, false);

    assertTrue(rei.validateOptions(is.getOptions()));
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k3));
    rei.next();
    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    // Test substring regex
    is.clearOptions();

    RegExFilter.setRegexs(is, null, null, null, "amst", false, true); // Should only match hamster

    rei.validateOptions(is.getOptions());
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k3));
    rei.next();
    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    RegExFilter.setRegexs(is, null, "ya.*", null, null, false);
    assertTrue(rei.validateOptions(is.getOptions()));
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k2));
    rei.next();
    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    RegExFilter.setRegexs(is, null, null, ".*01", null, false);
    assertTrue(rei.validateOptions(is.getOptions()));
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k1));
    rei.next();
    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    RegExFilter.setRegexs(is, null, null, null, ".*at", false);
    assertTrue(rei.validateOptions(is.getOptions()));
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k2));
    rei.next();
    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    RegExFilter.setRegexs(is, null, null, null, ".*ap", false);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    RegExFilter.setRegexs(is, null, "ya.*", null, ".*at", false);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k2));
    rei.next();
    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    RegExFilter.setRegexs(is, null, "ya.*", null, ".*ap", false);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    RegExFilter.setRegexs(is, "boo1", null, null, null, false);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k2));
    rei.next();
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k1));
    rei.next();
    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k2));
    rei.next();
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k1));
    rei.next();
    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k3));
    rei.next();
    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    RegExFilter.setRegexs(is, "hamster", null, "hamster", "hamster", true);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k3));
    rei.next();
    assertFalse(rei.hasTop());

    // -----------------------------------------------------
    is.clearOptions();

    RegExFilter.setRegexs(is, null, "ya.*", "hamster", null, true);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    assertTrue(rei.getTopKey().equals(k2));
    rei.next();
    assertFalse(rei.hasTop());

    is.clearOptions();

    RegExFilter.setRegexs(is, null, "ya.*", "hamster", null, true);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);
    rei.deepCopy(new DefaultIteratorEnvironment());

    // -----------------------------------------------------
    String multiByteText = new String("\u6d67" + "\u6F68" + "\u7067");
    String multiByteRegex = new String(".*" + "\u6F68" + ".*");

    Key k4 = new Key("boo4".getBytes(), "hoo".getBytes(), "20080203".getBytes(), "".getBytes(), 1l);
    Value inVal = new Value(multiByteText.getBytes(Constants.UTF8));
    tm.put(k4, inVal);

    is.clearOptions();

    RegExFilter.setRegexs(is, null, null, null, multiByteRegex, true);
    rei.init(new SortedMapIterator(tm), is.getOptions(), new DefaultIteratorEnvironment());
    rei.seek(new Range(), EMPTY_COL_FAMS, false);

    assertTrue(rei.hasTop());
    Value outValue = rei.getTopValue();
    String outVal = new String(outValue.get(), Constants.UTF8);
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    IteratorSetting is = new IteratorSetting(1, SummingCombiner.class);
    LongCombiner.setEncodingType(is, VarLenEncoder.class.getName());
    Combiner.setColumns(is, Collections.singletonList(new IteratorSetting.Column("cf001")));
   
    ai.init(new SortedMapIterator(tm1), is.getOptions(), new DefaultIteratorEnvironment());
   
    // try seeking to the beginning of a key that aggregates
   
    ai.seek(nr(1, 1, 1, 3, false), EMPTY_COL_FAMS, false);
   
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    IteratorSetting is = new IteratorSetting(1, SummingCombiner.class);
    LongCombiner.setEncodingType(is, SummingCombiner.Type.FIXEDLEN);
    Combiner.setColumns(is, Collections.singletonList(new IteratorSetting.Column("cf001")));
   
    ai.init(new SortedMapIterator(tm1), is.getOptions(), new DefaultIteratorEnvironment());
   
    ai.seek(nr(1, 1, 1, 4, true), EMPTY_COL_FAMS, false);
   
    assertTrue(ai.hasTop());
    assertEquals(nk(1, 1, 1, 4), ai.getTopKey());
    assertEquals("7", encoder.decode(ai.getTopValue().get()).toString());
   
    ai.next();
    assertTrue(ai.hasTop());
    assertEquals(nk(1, 1, 1, 2, true), ai.getTopKey());
    assertEquals("0", encoder.decode(ai.getTopValue().get()).toString());
   
    ai.next();
    assertFalse(ai.hasTop());
   
    tm1 = new TreeMap<Key,Value>();
    nkv(tm1, 1, 1, 1, 2, true, 0l, encoder);
    ai = new SummingCombiner();
    ai.init(new SortedMapIterator(tm1), is.getOptions(), new DefaultIteratorEnvironment());
   
    ai.seek(nr(1, 1, 1, 4, true), EMPTY_COL_FAMS, false);
   
    assertTrue(ai.hasTop());
    assertEquals(nk(1, 1, 1, 2, true), ai.getTopKey());
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    SortedMapIterator smi = new SortedMapIterator(tm);
    Combiner iter = new SummingCombiner();
    IteratorSetting s = new IteratorSetting(10, "s", SummingCombiner.class);
    SummingCombiner.setColumns(s, Collections.singletonList(new IteratorSetting.Column("count")));
    SummingCombiner.setEncodingType(s, LongCombiner.StringEncoder.class);
    iter.init(smi, s.getOptions(), new DefaultIteratorEnvironment());
    Combiner iter2 = new SummingCombiner();
    IteratorSetting s2 = new IteratorSetting(10, "s2", SummingCombiner.class);
    SummingCombiner.setColumns(s2, Collections.singletonList(new IteratorSetting.Column("count","a")));
    SummingCombiner.setEncodingType(s2, LongCombiner.StringEncoder.class);
    iter2.init(iter, s.getOptions(), new DefaultIteratorEnvironment());
    iter2.seek(new Range(), EMPTY_COL_FAMS, false);
   
    assertTrue(iter2.hasTop());
    assertEquals("2", iter2.getTopValue().toString());
    iter2.next();
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