Package org.apache.accumulo.core.iterators

Examples of org.apache.accumulo.core.iterators.SortedMapIterator.seek()

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  public void valueIteratorTest() throws IOException {
    TreeMap<Key,Value> tm = new TreeMap<Key,Value>();
    tm.put(new Key("r", "f", "q", 1), new Value("1".getBytes()));
    tm.put(new Key("r", "f", "q", 2), new Value("2".getBytes()));
    SortedMapIterator smi = new SortedMapIterator(tm);
    smi.seek(new Range(), EMPTY_COL_FAMS, false);
    ValueIterator iter = new ValueIterator(smi);
    assertEquals(iter.next().toString(), "2");
    assertEquals(iter.next().toString(), "1");
    assertFalse(iter.hasNext());
  }
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  @Override
  public Iterator<Entry<Key,Value>> iterator() {
    SortedKeyValueIterator<Key,Value> i = new SortedMapIterator(table.table);
    try {
      i = new RangeFilter(createFilter(i), range);
      i.seek(range, createColumnBSS(fetchedColumns), !fetchedColumns.isEmpty());
      return new IteratorAdapter(i);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
   
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    IteratorChain chain = new IteratorChain();
    for (Range range : ranges) {
      SortedKeyValueIterator<Key,Value> i = new SortedMapIterator(table.table);
      try {
        i = createFilter(i);
        i.seek(range, createColumnBSS(fetchedColumns), !fetchedColumns.isEmpty());
        chain.addIterator(new IteratorAdapter(i));
      } catch (IOException e) {
        throw new RuntimeException(e);
      }
    }
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    IteratorChain chain = new IteratorChain();
    for (Range range : ranges) {
      SortedKeyValueIterator<Key,Value> i = new SortedMapIterator(table.table);
      try {
        i = new RangesFilter(createFilter(i), ranges);
        i.seek(range, createColumnBSS(fetchedColumns), !fetchedColumns.isEmpty());
        chain.addIterator(new IteratorAdapter(i));
      } catch (IOException e) {
        throw new RuntimeException(e);
      }
    }
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  @Override
  public Iterator<Entry<Key,Value>> iterator() {
    SortedKeyValueIterator<Key,Value> i = new SortedMapIterator(table.table);
    try {
      i = new RangeFilter(createFilter(i), range);
      i.seek(range, createColumnBSS(fetchedColumns), !fetchedColumns.isEmpty());
      return new IteratorAdapter(i);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
   
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  public void valueIteratorTest() throws IOException {
    TreeMap<Key,Value> tm = new TreeMap<Key,Value>();
    tm.put(new Key("r", "f", "q", 1), new Value("1".getBytes()));
    tm.put(new Key("r", "f", "q", 2), new Value("2".getBytes()));
    SortedMapIterator smi = new SortedMapIterator(tm);
    smi.seek(new Range(), EMPTY_COL_FAMS, false);
    ValueIterator iter = new ValueIterator(smi);
    assertEquals(iter.next().toString(), "2");
    assertEquals(iter.next().toString(), "1");
    assertFalse(iter.hasNext());
  }
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  public void valueIteratorTest() throws IOException {
    TreeMap<Key,Value> tm = new TreeMap<Key,Value>();
    tm.put(new Key("r", "f", "q", 1), new Value("1".getBytes()));
    tm.put(new Key("r", "f", "q", 2), new Value("2".getBytes()));
    SortedMapIterator smi = new SortedMapIterator(tm);
    smi.seek(new Range(), EMPTY_COL_FAMS, false);
    ValueIterator iter = new ValueIterator(smi);
    assertEquals(iter.next().toString(), "2");
    assertEquals(iter.next().toString(), "1");
    assertFalse(iter.hasNext());
  }
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  public void valueIteratorTest() throws IOException {
    TreeMap<Key,Value> tm = new TreeMap<Key,Value>();
    tm.put(new Key("r", "f", "q", 1), new Value("1".getBytes()));
    tm.put(new Key("r", "f", "q", 2), new Value("2".getBytes()));
    SortedMapIterator smi = new SortedMapIterator(tm);
    smi.seek(new Range(), EMPTY_COL_FAMS, false);
    ValueIterator iter = new ValueIterator(smi);
    assertEquals(iter.next().toString(), "2");
    assertEquals(iter.next().toString(), "1");
    assertFalse(iter.hasNext());
  }
View Full Code Here
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  @Override
  public Iterator<Entry<Key,Value>> iterator() {
    SortedKeyValueIterator<Key,Value> i = new SortedMapIterator(table.table);
    try {
      i = new RangeFilter(createFilter(i), range);
      i.seek(range, createColumnBSS(fetchedColumns), !fetchedColumns.isEmpty());
      return new IteratorAdapter(i);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
   
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    }

    SortedKeyValueIterator<Key,Value> i = new SortedMapIterator(table.table);
    try {
      i = new RangesFilter(createFilter(i), ranges);
      i.seek(new Range(), createColumnBSS(fetchedColumns), !fetchedColumns.isEmpty());
      return new IteratorAdapter(i);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
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