Package org.apache.accumulo.core.data

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

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  public Value getTopValue() {
    return currVal;
  }
 
  private void getTopKeyVal() {
    Key k = super.getTopKey();
    Value v = super.getTopValue();
    if (k instanceof MemKey || k == null) {
      currKey = (MemKey) k;
      currVal = v;
      return;
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  public void seek(Range range, Collection<ByteSequence> columnFamilies, boolean inclusive) throws IOException {
    super.seek(range, columnFamilies, inclusive);
    if (hasTop())
      getTopKeyVal();

    Key k = range.getStartKey();
    if (k instanceof MemKey && hasTop()) {
      while (hasTop() && currKey.compareTo(k) < 0)
        next();
    }
  }
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  }
 
  private static void printEvents(Connector conn, String tableId, String endRow, Long time) throws Exception {
    Scanner scanner = conn.createScanner("tabletEvents", new Authorizations());
    String metaRow = tableId + (endRow == null ? "<" : ";" + endRow);
    scanner.setRange(new Range(new Key(metaRow, String.format("%020d", time)), true, new Key(metaRow).followingKey(PartialKey.ROW), false));
    int count = 0;
   
    String lastLog = null;

    loop1: for (Entry<Key,Value> entry : scanner) {
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    public Value get(Key key) {
      return map.get(key);
    }
   
    public Iterator<Entry<Key,Value>> iterator(Key startKey) {
      Key lk = new Key(startKey);
      SortedMap<Key,Value> tm = map.tailMap(lk);
      return tm.entrySet().iterator();
    }
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    @Override
    public void mutate(List<Mutation> mutations, int kvCount) {
      for (Mutation m : mutations) {
        for (ColumnUpdate cvp : m.getUpdates()) {
          Key newKey = new MemKey(m.getRow(), cvp.getColumnFamily(), cvp.getColumnQualifier(), cvp.getColumnVisibility(), cvp.getTimestamp(), cvp.isDeleted(),
              false, kvCount++);
          Value value = new Value(cvp.getValue());
          put(newKey, value);
        }
      }
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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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          assertEquals(k.getRow(), new Text(String.format("%09x", count + 1)));
          assertEquals(new String(v.get()), String.format("%09x", count));
        } catch (AssertionError e) {
          e1 = e;
        }
        key = new Key(k);
        count++;
      }
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          assertEquals(k.getRow(), new Text(String.format("%09x", count + 1)));
          assertEquals(new String(v.get()), String.format("%09x", count));
        } catch (AssertionError e) {
          e1 = e;
        }
        key = new Key(k);
        count++;
      }
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    protected void map(Key k, Value v, Context context) throws IOException, InterruptedException {
      if (key != null)
        assertEquals(key.getRow().toString(), new String(v.get()));
      assertEquals(k.getRow(), new Text(String.format("%09x", count + 1)));
      assertEquals(new String(v.get()), String.format("%09x", count));
      key = new Key(k);
      count++;
    }
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Related Classes of org.apache.accumulo.core.data.Key

  • org.apache.accumulo.core.client.impl.OfflineIterator
  • org.apache.accumulo.core.client.impl.TabletLocatorImplTest
  • org.apache.accumulo.core.client.impl.TabletServerBatchReaderIterator
  • org.apache.accumulo.core.client.impl.ThriftScanner
  • org.apache.accumulo.core.client.mapred.RangeInputSplitTest
  • org.apache.accumulo.core.client.mapreduce.AccumuloInputFormatTest$TestMapper
  • org.apache.accumulo.core.client.mapreduce.InputFormatBase
  • org.apache.accumulo.core.client.mapreduce.RangeInputSplitTest
  • org.apache.accumulo.core.client.mock.MockConnectorTest
  • org.apache.accumulo.core.client.mock.MockTable
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