Package org.apache.hadoop.hive.serde2

Examples of org.apache.hadoop.hive.serde2.Serializer


   *
   * @param conf Configuration to use
   * @return A new, configured, Serializer
   */
  public Serializer createSerializer(Configuration conf) {
    Serializer serializer = ReflectionUtils.newInstance(serializerClass, conf);
    SerDes.initSerializer(serializer, conf, columnInfo, serializerParams);
    return serializer;
  }
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    OutputInfo oti = outputConf.readOutputTableInfo();

    HiveUtils.setRCileNumColumns(conf, oti.getColumnInfo().size());
    HadoopUtils.setOutputKeyWritableClass(conf, NullWritable.class);

    Serializer serializer = oti.createSerializer(conf);
    HadoopUtils.setOutputValueWritableClass(conf,
        serializer.getSerializedClass());

    org.apache.hadoop.mapred.OutputFormat baseOutputFormat =
        ReflectionUtils.newInstance(oti.getOutputFormatClass(), conf);
    // CHECKSTYLE: stop LineLength
    org.apache.hadoop.mapred.RecordWriter<WritableComparable, Writable> baseWriter =
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    HiveOutputFormat<?, ?> hiveOutputFormat = null;
    Class<? extends Writable> outputClass = null;
    boolean isCompressed = conf.getCompressed();
    TableDesc tableInfo = conf.getTableInfo();
    try {
      Serializer serializer = (Serializer) tableInfo.getDeserializerClass().newInstance();
      serializer.initialize(null, tableInfo.getProperties());
      outputClass = serializer.getSerializedClass();
      hiveOutputFormat = conf.getTableInfo().getOutputFileFormatClass().newInstance();
    } catch (SerDeException e) {
      throw new HiveException(e);
    } catch (InstantiationException e) {
      throw new HiveException(e);
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    return reader.loadIndeces(rowIndexEntries, updatedStartIndex);
  }

  @Override
  public Object next(Object previous) throws IOException {
    ByteWritable result = null;
    if (valuePresent) {
      if (previous == null) {
        result = new ByteWritable();
      } else {
        result = (ByteWritable) previous;
      }
      result.set(reader.next());
    }
    return result;
  }
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    return o == null ? null : new OrcLazyByte((OrcLazyByte) o);
  }

  @Override
  public Object getPrimitiveJavaObject(Object o) {
    ByteWritable writable = getPrimitiveWritableObject(o);
    return writable == null ? null : Byte.valueOf(writable.get());
  }
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  }

  public OrcLazyByte(OrcLazyByte copy) {
    super(copy);
    if (copy.previous != null) {
      previous = new ByteWritable(((ByteWritable)copy.previous).get());
    }
  }
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      int nextCalls = 0;

      @Override
      public Object next(Object previous) throws IOException {
        if (nextCalls == 0) {
          return new ByteWritable((byte) 1);
        }

        throw new IOException("next should only be called once");
      }
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      assertNull(expected.boolean1);
    } else {
      assertEquals(expected.boolean1.booleanValue(), boolean1.get());
    }

    ByteWritable byte1 = (ByteWritable) ((OrcLazyByte) row.getFieldValue(1)).materialize();
    if (byte1 == null) {
      assertNull(expected.byte1);
    } else {
      assertEquals(expected.byte1.byteValue(), byte1.get());
    }

    OrcLazyShort lazyShort1 = (OrcLazyShort) row.getFieldValue(2);
    ShortWritable short1 = (ShortWritable) lazyShort1.materialize();
    if (short1 == null) {
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    return latestRead;
  }


  DoubleWritable createWritable(Object previous, double v) throws IOException {
    DoubleWritable result = null;
    if (previous == null) {
      result = new DoubleWritable();
    } else {
      result = (DoubleWritable) previous;
    }
    result.set(v);
    return result;
  }
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  /**
   * Give the next double as a Writable object.
   */
  @Override
  public Object next(Object previous) throws IOException {
    DoubleWritable result = null;
    if (valuePresent) {
      result = createWritable(previous, readDouble());
    }
    return result;
  }
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