Examples of org.apache.hadoop.io.BytesWritable$Comparator

org.apache.hadoop.io.BytesWritable
A Comparator optimized for BytesWritable.

      output.collect(bytesKey, tupleRow);
    }


    @Override
    public void configure(JobConf job) {
      bytesKey = new BytesWritable();
      conf = job;
      sortKey = job.get("sortKey");
      try {
        Schema outSchema = BasicTableOutputFormat.getSchema(job);
        tupleRow = TypesUtils.createTuple(outSchema);

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            tuple.set(k, b + "_" + i + "" + k);
          } catch (ExecException e) {
            e.printStackTrace();
          }
        }
        inserters[i].insert(new BytesWritable(("key" + i).getBytes()), tuple);
      }
    }
    for (int i = 0; i < numsInserters; i++) {
      inserters[i].close();
    }

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    /**
     * Configuration of the job. Here we create an empty Tuple Row.
     */
    @Override
    public void configure(JobConf job) {
      bytesKey = new BytesWritable();
      try {
        Schema outSchema = BasicTableOutputFormat.getSchema(job);
        tupleRow = TypesUtils.createTuple(outSchema);
      } catch (IOException e) {
        throw new RuntimeException(e);

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        abs2[3] = 24;
        tupColl2.set(2, new DataByteArray(abs2));
        bagColl.add(tupColl2);
        tuple.set(0, bagColl);


        inserters[i].insert(new BytesWritable(("key" + i).getBytes()), tuple);
      }
    }
    for (int i = 0; i < numsInserters; i++) {
      inserters[i].close();
    }

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            tuple.set(k, (9-b) + "_" + i + "" + k);
          } catch (ExecException e) {
            e.printStackTrace();
          }
        }
        inserters[i].insert(new BytesWritable(("key" + i).getBytes()), tuple);
      }
    }
    for (int i = 0; i < numsInserters; i++) {
      inserters[i].close();
    }

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            tuple.set(k, (9-b) + "_" + i + "" + k);
          } catch (ExecException e) {
            e.printStackTrace();
          }
        }
        inserters[i].insert(new BytesWritable(("key" + i).getBytes()), tuple);
      }
    }
    for (int i = 0; i < numsInserters; i++) {
      inserters[i].close();
    }

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        abs2[3] = 24;
        tupColl2.set(2, new DataByteArray(abs2));
        bagColl.add(tupColl2);
        tuple.set(0, bagColl);


        inserters[i].insert(new BytesWritable(("key" + i).getBytes()), tuple);
      }
    }
    for (int i = 0; i < numsInserters; i++) {
      inserters[i].close();
    }

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    tupColl2.set(2, new DataByteArray(abs2));
    bagColl.add(tupColl2);
    tuple.set(3, bagColl);


    int row = 0;
    inserter.insert(new BytesWritable(String.format("k%d%d", part + 1, row + 1)
        .getBytes()), tuple);


    // row 2
    row++;
    TypesUtils.resetTuple(tuple);
    TypesUtils.resetTuple(tupRecord);
    map.clear();
    tuple.set(0, false);
    tupRecord.set(0, 2);
    tupRecord.set(1, 1002L);
    tuple.set(1, tupRecord);
    map.put("boy", "girl");
    map.put("adam", "amy");
    map.put("bob", "becky");
    map.put("carl", "cathy");
    tuple.set(2, map);
    bagColl.clear();
    TypesUtils.resetTuple(tupColl1);
    TypesUtils.resetTuple(tupColl2);
    tupColl1.set(0, 7654.321);
    tupColl1.set(1, 0.0001);
    abs1[0] = 31;
    abs1[1] = 32;
    abs1[2] = 33;
    tupColl1.set(2, new DataByteArray(abs1));
    bagColl.add(tupColl1);
    tupColl2.set(0, 0.123456789);
    tupColl2.set(1, 0.3333);
    abs2[0] = 41;
    abs2[1] = 42;
    abs2[2] = 43;
    abs2[3] = 44;
    tupColl2.set(2, new DataByteArray(abs2));
    bagColl.add(tupColl2);
    tuple.set(3, bagColl);
    inserter.insert(new BytesWritable(String.format("k%d%d", part + 1, row + 1)
        .getBytes()), tuple);


    inserter.close();
    writer1.finish();

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    List<RangeSplit> splits = reader.rangeSplit(1);
    reader.close();
    reader = new BasicTable.Reader(path, conf);
    reader.setProjection(projection);
    TableScanner scanner = reader.getScanner(splits.get(0), true);
    BytesWritable key = new BytesWritable();
    Tuple value = TypesUtils.createTuple(scanner.getSchema());


    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k11".getBytes()));
    scanner.getValue(value);


    Assert.assertEquals(1001L, value.get(0));
    Assert.assertEquals(true, value.get(1));


    scanner.advance();
    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k12".getBytes()));
    scanner.getValue(value);
    Assert.assertEquals(1002L, value.get(0));
    Assert.assertEquals(false, value.get(1));


    reader.close();

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    List<RangeSplit> splits = reader.rangeSplit(1);
    reader.close();
    reader = new BasicTable.Reader(path, conf);
    reader.setProjection(projection);
    TableScanner scanner = reader.getScanner(splits.get(0), true);
    BytesWritable key = new BytesWritable();
    Tuple value = TypesUtils.createTuple(scanner.getSchema());


    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k11".getBytes()));
    scanner.getValue(value);


    Tuple recordTuple = (Tuple) value.get(1);
    Assert.assertEquals(1, recordTuple.get(0));
    Assert.assertEquals(1001L, recordTuple.get(1));

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