Package org.apache.hadoop.hive.serde2.objectinspector

Examples of org.apache.hadoop.hive.serde2.objectinspector.PrimitiveObjectInspector

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          paramValues[i] = ((MapObjectInspector)paramInspectors[i])
              .getMap(thisParam);
          break;
        }
        case PRIMITIVE: {
          PrimitiveObjectInspector poi = (PrimitiveObjectInspector)paramInspectors[i];
          paramValues[i] = (paramIsPrimitiveWritable[i]
              ? poi.getPrimitiveWritableObject(thisParam)
              : poi.getPrimitiveJavaObject(thisParam));
          break;
        }
        default: {
          // STRUCT
          paramValues[i] = thisParam;
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  public static Class<?> getJavaPrimitiveClassFromObjectInspector(ObjectInspector oi) {
    if (oi.getCategory() != Category.PRIMITIVE) {
      return null;
    }
    PrimitiveObjectInspector poi = (PrimitiveObjectInspector)oi;
    PrimitiveTypeEntry t =
        getTypeEntryFromPrimitiveCategory(poi.getPrimitiveCategory());
    return t == null ? null : t.primitiveJavaClass;
  }
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    // Recursively going into ObjectInspector structure
    TypeInfo result = null;
    switch (oi.getCategory()) {
    case PRIMITIVE: {
      PrimitiveObjectInspector poi = (PrimitiveObjectInspector) oi;
      result = TypeInfoFactory.getPrimitiveTypeInfo(poi.getTypeName());
      break;
    }
    case LIST: {
      ListObjectInspector loi = (ListObjectInspector) oi;
      result = TypeInfoFactory
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    // This field is not a null.
    buffer.write((byte) 1, invert);

    switch (oi.getCategory()) {
    case PRIMITIVE: {
      PrimitiveObjectInspector poi = (PrimitiveObjectInspector) oi;
      switch (poi.getPrimitiveCategory()) {
      case VOID: {
        return;
      }
      case BOOLEAN: {
        boolean v = ((BooleanObjectInspector) poi).get(o);
        buffer.write((byte) (v ? 2 : 1), invert);
        return;
      }
      case BYTE: {
        ByteObjectInspector boi = (ByteObjectInspector) poi;
        byte v = boi.get(o);
        buffer.write((byte) (v ^ 0x80), invert);
        return;
      }
      case SHORT: {
        ShortObjectInspector spoi = (ShortObjectInspector) poi;
        short v = spoi.get(o);
        buffer.write((byte) ((v >> 8) ^ 0x80), invert);
        buffer.write((byte) v, invert);
        return;
      }
      case INT: {
        IntObjectInspector ioi = (IntObjectInspector) poi;
        int v = ioi.get(o);
        buffer.write((byte) ((v >> 24) ^ 0x80), invert);
        buffer.write((byte) (v >> 16), invert);
        buffer.write((byte) (v >> 8), invert);
        buffer.write((byte) v, invert);
        return;
      }
      case LONG: {
        LongObjectInspector loi = (LongObjectInspector) poi;
        long v = loi.get(o);
        buffer.write((byte) ((v >> 56) ^ 0x80), invert);
        buffer.write((byte) (v >> 48), invert);
        buffer.write((byte) (v >> 40), invert);
        buffer.write((byte) (v >> 32), invert);
        buffer.write((byte) (v >> 24), invert);
        buffer.write((byte) (v >> 16), invert);
        buffer.write((byte) (v >> 8), invert);
        buffer.write((byte) v, invert);
        return;
      }
      case FLOAT: {
        FloatObjectInspector foi = (FloatObjectInspector) poi;
        int v = Float.floatToIntBits(foi.get(o));
        if ((v & (1 << 31)) != 0) {
          // negative number, flip all bits
          v = ~v;
        } else {
          // positive number, flip the first bit
          v = v ^ (1 << 31);
        }
        buffer.write((byte) (v >> 24), invert);
        buffer.write((byte) (v >> 16), invert);
        buffer.write((byte) (v >> 8), invert);
        buffer.write((byte) v, invert);
        return;
      }
      case DOUBLE: {
        DoubleObjectInspector doi = (DoubleObjectInspector) poi;
        long v = Double.doubleToLongBits(doi.get(o));
        if ((v & (1L << 63)) != 0) {
          // negative number, flip all bits
          v = ~v;
        } else {
          // positive number, flip the first bit
          v = v ^ (1L << 63);
        }
        buffer.write((byte) (v >> 56), invert);
        buffer.write((byte) (v >> 48), invert);
        buffer.write((byte) (v >> 40), invert);
        buffer.write((byte) (v >> 32), invert);
        buffer.write((byte) (v >> 24), invert);
        buffer.write((byte) (v >> 16), invert);
        buffer.write((byte) (v >> 8), invert);
        buffer.write((byte) v, invert);
        return;
      }
      case STRING: {
        StringObjectInspector soi = (StringObjectInspector) poi;
        Text t = soi.getPrimitiveWritableObject(o);
        serializeBytes(buffer, t.getBytes(), t.getLength(), invert);
        return;
          }

      case BINARY: {
        BinaryObjectInspector baoi = (BinaryObjectInspector) poi;
        BytesWritable ba = baoi.getPrimitiveWritableObject(o);
        byte[] toSer = new byte[ba.getLength()];
        System.arraycopy(ba.getBytes(), 0, toSer, 0, ba.getLength());
        serializeBytes(buffer, toSer, ba.getLength(), invert);
        return;
      }
      case TIMESTAMP: {
        TimestampObjectInspector toi = (TimestampObjectInspector) poi;
        TimestampWritable t = toi.getPrimitiveWritableObject(o);
        byte[] data = t.getBinarySortable();
        for (int i = 0; i < data.length; i++) {
          buffer.write(data[i], invert);
        }
        return;
      }
      default: {
        throw new RuntimeException("Unrecognized type: "
            + poi.getPrimitiveCategory());
      }
      }
    }
    case LIST: {
      ListObjectInspector loi = (ListObjectInspector) oi;
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      return warnedOnceNullMapKey;
    }

    switch (objInspector.getCategory()) {
    case PRIMITIVE: {
      PrimitiveObjectInspector poi = (PrimitiveObjectInspector) objInspector;
      switch (poi.getPrimitiveCategory()) {
      case VOID: {
        return warnedOnceNullMapKey;
      }
      case BOOLEAN: {
        boolean v = ((BooleanObjectInspector) poi).get(obj);
        byteStream.write((byte) (v ? 1 : 0));
        return warnedOnceNullMapKey;
      }
      case BYTE: {
        ByteObjectInspector boi = (ByteObjectInspector) poi;
        byte v = boi.get(obj);
        byteStream.write(v);
        return warnedOnceNullMapKey;
      }
      case SHORT: {
        ShortObjectInspector spoi = (ShortObjectInspector) poi;
        short v = spoi.get(obj);
        byteStream.write((byte) (v >> 8));
        byteStream.write((byte) (v));
        return warnedOnceNullMapKey;
      }
      case INT: {
        IntObjectInspector ioi = (IntObjectInspector) poi;
        int v = ioi.get(obj);
        LazyBinaryUtils.writeVInt(byteStream, v);
        return warnedOnceNullMapKey;
      }
      case LONG: {
        LongObjectInspector loi = (LongObjectInspector) poi;
        long v = loi.get(obj);
        LazyBinaryUtils.writeVLong(byteStream, v);
        return warnedOnceNullMapKey;
      }
      case FLOAT: {
        FloatObjectInspector foi = (FloatObjectInspector) poi;
        int v = Float.floatToIntBits(foi.get(obj));
        byteStream.write((byte) (v >> 24));
        byteStream.write((byte) (v >> 16));
        byteStream.write((byte) (v >> 8));
        byteStream.write((byte) (v));
        return warnedOnceNullMapKey;
      }
      case DOUBLE: {
        DoubleObjectInspector doi = (DoubleObjectInspector) poi;
        long v = Double.doubleToLongBits(doi.get(obj));
        byteStream.write((byte) (v >> 56));
        byteStream.write((byte) (v >> 48));
        byteStream.write((byte) (v >> 40));
        byteStream.write((byte) (v >> 32));
        byteStream.write((byte) (v >> 24));
        byteStream.write((byte) (v >> 16));
        byteStream.write((byte) (v >> 8));
        byteStream.write((byte) (v));
        return warnedOnceNullMapKey;
      }
      case STRING: {
        StringObjectInspector soi = (StringObjectInspector) poi;
        Text t = soi.getPrimitiveWritableObject(obj);
        /* write byte size of the string which is a vint */
        int length = t.getLength();
        if (!skipLengthPrefix) {
          LazyBinaryUtils.writeVInt(byteStream, length);
        }
        /* write string itself */
        byte[] data = t.getBytes();
        byteStream.write(data, 0, length);
        return warnedOnceNullMapKey;
      }

      case BINARY: {
        BinaryObjectInspector baoi = (BinaryObjectInspector) poi;
        BytesWritable bw = baoi.getPrimitiveWritableObject(obj);
        int length = bw.getLength();
        if(!skipLengthPrefix){
          LazyBinaryUtils.writeVInt(byteStream, length);
        } else {
          if (length == 0){
            throw new RuntimeException("LazyBinaryColumnarSerde cannot serialize a non-null " +
                "zero length binary field. Consider using either LazyBinarySerde or ColumnarSerde.");
          }
        }
        byteStream.write(bw.getBytes(),0,length);
        return warnedOnceNullMapKey;
      }

      case TIMESTAMP: {
        TimestampObjectInspector toi = (TimestampObjectInspector) poi;
        TimestampWritable t = toi.getPrimitiveWritableObject(obj);
        t.writeToByteStream(byteStream);
        return warnedOnceNullMapKey;
      }
      default: {
        throw new RuntimeException("Unrecognized type: "
            + poi.getPrimitiveCategory());
      }
      }
    }
    case LIST: {
      ListObjectInspector loi = (ListObjectInspector) objInspector;
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  private void serializeField(Object o, ObjectInspector oi, Object reuse)
      throws IOException {
    switch (oi.getCategory()) {
    case PRIMITIVE: {
      PrimitiveObjectInspector poi = (PrimitiveObjectInspector) oi;
      switch (poi.getPrimitiveCategory()) {
      case VOID: {
        return;
      }
      case BOOLEAN: {
        BooleanObjectInspector boi = (BooleanObjectInspector) poi;
        BooleanWritable r = reuse == null ? new BooleanWritable()
            : (BooleanWritable) reuse;
        r.set(boi.get(o));
        tbOut.write(r);
        return;
      }
      case BYTE: {
        ByteObjectInspector boi = (ByteObjectInspector) poi;
        ByteWritable r = reuse == null ? new ByteWritable()
            : (ByteWritable) reuse;
        r.set(boi.get(o));
        tbOut.write(r);
        return;
      }
      case SHORT: {
        ShortObjectInspector spoi = (ShortObjectInspector) poi;
        ShortWritable r = reuse == null ? new ShortWritable()
            : (ShortWritable) reuse;
        r.set(spoi.get(o));
        tbOut.write(r);
        return;
      }
      case INT: {
        IntObjectInspector ioi = (IntObjectInspector) poi;
        IntWritable r = reuse == null ? new IntWritable() : (IntWritable) reuse;
        r.set(ioi.get(o));
        tbOut.write(r);
        return;
      }
      case LONG: {
        LongObjectInspector loi = (LongObjectInspector) poi;
        LongWritable r = reuse == null ? new LongWritable()
            : (LongWritable) reuse;
        r.set(loi.get(o));
        tbOut.write(r);
        return;
      }
      case FLOAT: {
        FloatObjectInspector foi = (FloatObjectInspector) poi;
        FloatWritable r = reuse == null ? new FloatWritable()
            : (FloatWritable) reuse;
        r.set(foi.get(o));
        tbOut.write(r);
        return;
      }
      case DOUBLE: {
        DoubleObjectInspector doi = (DoubleObjectInspector) poi;
        DoubleWritable r = reuse == null ? new DoubleWritable()
            : (DoubleWritable) reuse;
        r.set(doi.get(o));
        tbOut.write(r);
        return;
      }
      case STRING: {
        StringObjectInspector soi = (StringObjectInspector) poi;
        Text t = soi.getPrimitiveWritableObject(o);
        tbOut.write(t);
        return;
      }
      default: {
        throw new RuntimeException("Unrecognized type: "
            + poi.getPrimitiveCategory());
      }
      }
    }
    case LIST:
    case MAP:
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    argumentOI = arguments;

    // this should be connection url,username,password,query,column1[,columnn]*
    for (int i = 0; i < 4; i++) {
      if (arguments[i].getCategory() == ObjectInspector.Category.PRIMITIVE) {
        PrimitiveObjectInspector poi = ((PrimitiveObjectInspector) arguments[i]);

        if (!(poi.getPrimitiveCategory() == PrimitiveObjectInspector.PrimitiveCategory.STRING)) {
          throw new UDFArgumentTypeException(i,
              "The argument of function  should be \""
              + Constants.STRING_TYPE_NAME + "\", but \""
              + arguments[i].getTypeName() + "\" is found");
        }
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        PreparedStatement ps = connection
            .prepareStatement(((StringObjectInspector) argumentOI[3])
            .getPrimitiveJavaObject(arguments[3].get()));
        for (int i = 4; i < arguments.length; ++i) {
          PrimitiveObjectInspector poi = ((PrimitiveObjectInspector) argumentOI[i]);
          ps.setObject(i - 3, poi.getPrimitiveJavaObject(arguments[i].get()));
        }
        ps.execute();
        ps.close();
        result.set(0);
      } catch (SQLException e) {
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  static void buildJSONString(StringBuilder sb, Object o, ObjectInspector oi) {

    switch (oi.getCategory()) {
    case PRIMITIVE: {
      PrimitiveObjectInspector poi = (PrimitiveObjectInspector) oi;
      if (o == null) {
        sb.append("null");
      } else {
        switch (poi.getPrimitiveCategory()) {
        case BOOLEAN: {
          boolean b = ((BooleanObjectInspector) poi).get(o);
          sb.append(b ? "true" : "false");
          break;
        }
        case BYTE: {
          sb.append(((ByteObjectInspector) poi).get(o));
          break;
        }
        case SHORT: {
          sb.append(((ShortObjectInspector) poi).get(o));
          break;
        }
        case INT: {
          sb.append(((IntObjectInspector) poi).get(o));
          break;
        }
        case LONG: {
          sb.append(((LongObjectInspector) poi).get(o));
          break;
        }
        case FLOAT: {
          sb.append(((FloatObjectInspector) poi).get(o));
          break;
        }
        case DOUBLE: {
          sb.append(((DoubleObjectInspector) poi).get(o));
          break;
        }
        case STRING: {
          sb.append('"');
          sb.append(escapeString(((StringObjectInspector) poi)
              .getPrimitiveJavaObject(o)));
          sb.append('"');
          break;
        }
        case TIMESTAMP: {
          sb.append('"');
          sb.append(((TimestampObjectInspector) poi)
              .getPrimitiveWritableObject(o));
          sb.append('"');
          break;
        }
        case BINARY: {
          BytesWritable bw = ((BinaryObjectInspector) oi).getPrimitiveWritableObject(o);
          Text txt = new Text();
          txt.set(bw.getBytes(), 0, bw.getLength());
          sb.append(txt.toString());
          break;
        }
        default:
          throw new RuntimeException("Unknown primitive type: "
              + poi.getPrimitiveCategory());
        }
      }
      break;
    }
    case LIST: {
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      Map<PrimitiveObjectInspector, ExprNodeEvaluator> pair, Object[] rowWithPart)
      throws HiveException {
    assert(pair.size() > 0);
    // only get the 1st entry from the map
    Map.Entry<PrimitiveObjectInspector, ExprNodeEvaluator> entry = pair.entrySet().iterator().next();
    PrimitiveObjectInspector evaluateResultOI = entry.getKey();
    ExprNodeEvaluator evaluator = entry.getValue();

    Object evaluateResultO = evaluator.evaluate(rowWithPart);

    return evaluateResultOI.getPrimitiveJavaObject(evaluateResultO);
  }
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