Examples with DateWritableV2 org.apache.hadoop.hive.serde2.io.DateWritableV2 used on opensource projects

Example 81 with DateWritableV2

use of org.apache.hadoop.hive.serde2.io.DateWritableV2 in project hive by apache.

the class LazySimpleSerializeWrite method writeDate.

/*
   * DATE.
   */
@Override
public void writeDate(Date date) throws IOException {
    beginPrimitive();
    if (dateWritable == null) {
        dateWritable = new DateWritableV2();
    }
    dateWritable.set(date);
    LazyDate.writeUTF8(output, dateWritable);
    finishPrimitive();
}

Example 82 with DateWritableV2

use of org.apache.hadoop.hive.serde2.io.DateWritableV2 in project hive by apache.

the class ReaderWriter method readDatum.

public static Object readDatum(DataInput in) throws IOException {
    byte type = in.readByte();
    switch(type) {
        case DataType.STRING:
            byte[] buffer = new byte[in.readInt()];
            in.readFully(buffer);
            return new String(buffer, UTF8);
        case DataType.INTEGER:
            VIntWritable vint = new VIntWritable();
            vint.readFields(in);
            return vint.get();
        case DataType.LONG:
            VLongWritable vlong = new VLongWritable();
            vlong.readFields(in);
            return vlong.get();
        case DataType.FLOAT:
            return in.readFloat();
        case DataType.DOUBLE:
            return in.readDouble();
        case DataType.BOOLEAN:
            return in.readBoolean();
        case DataType.BYTE:
            return in.readByte();
        case DataType.SHORT:
            return in.readShort();
        case DataType.NULL:
            return null;
        case DataType.BINARY:
            int len = in.readInt();
            byte[] ba = new byte[len];
            in.readFully(ba);
            return ba;
        case DataType.MAP:
            int size = in.readInt();
            Map<Object, Object> m = new LinkedHashMap<Object, Object>(size);
            for (int i = 0; i < size; i++) {
                m.put(readDatum(in), readDatum(in));
            }
            return m;
        case DataType.LIST:
            int sz = in.readInt();
            List<Object> list = new ArrayList<Object>(sz);
            for (int i = 0; i < sz; i++) {
                list.add(readDatum(in));
            }
            return list;
        case DataType.CHAR:
            HiveCharWritable hcw = new HiveCharWritable();
            hcw.readFields(in);
            return hcw.getHiveChar();
        case DataType.VARCHAR:
            HiveVarcharWritable hvw = new HiveVarcharWritable();
            hvw.readFields(in);
            return hvw.getHiveVarchar();
        case DataType.DECIMAL:
            HiveDecimalWritable hdw = new HiveDecimalWritable();
            hdw.readFields(in);
            return hdw.getHiveDecimal();
        case DataType.DATE:
            DateWritableV2 dw = new DateWritableV2();
            dw.readFields(in);
            return dw.get();
        case DataType.TIMESTAMP:
            TimestampWritableV2 tw = new TimestampWritableV2();
            tw.readFields(in);
            return tw.getTimestamp();
        default:
            throw new IOException("Unexpected data type " + type + " found in stream.");
    }
}

Example 83 with DateWritableV2

use of org.apache.hadoop.hive.serde2.io.DateWritableV2 in project hive by apache.

the class TeradataBinarySerde method deserializeField.

private Object deserializeField(TeradataBinaryDataInputStream in, TypeInfo type, Object reuse, boolean isNull) throws IOException, ParseException, SerDeException {
    // In this case, you cannot avoid reading the bytes even it is not used.
    switch(type.getCategory()) {
        case PRIMITIVE:
            PrimitiveTypeInfo ptype = (PrimitiveTypeInfo) type;
            switch(ptype.getPrimitiveCategory()) {
                case // Teradata Type: VARCHAR
                VARCHAR:
                    String st = in.readVarchar();
                    if (isNull) {
                        return null;
                    } else {
                        HiveVarcharWritable r = reuse == null ? new HiveVarcharWritable() : (HiveVarcharWritable) reuse;
                        r.set(st, ((VarcharTypeInfo) type).getLength());
                        return r;
                    }
                case // Teradata Type: INT
                INT:
                    int i = in.readInt();
                    if (isNull) {
                        return null;
                    } else {
                        IntWritable r = reuse == null ? new IntWritable() : (IntWritable) reuse;
                        r.set(i);
                        return r;
                    }
                case // Teradata Type: TIMESTAMP
                TIMESTAMP:
                    Timestamp ts = in.readTimestamp(getTimeStampByteNum(timestampPrecision));
                    if (isNull) {
                        return null;
                    } else {
                        TimestampWritableV2 r = reuse == null ? new TimestampWritableV2() : (TimestampWritableV2) reuse;
                        r.set(ts);
                        return r;
                    }
                case // Teradata Type: FLOAT
                DOUBLE:
                    double d = in.readDouble();
                    if (isNull) {
                        return null;
                    } else {
                        DoubleWritable r = reuse == null ? new DoubleWritable() : (DoubleWritable) reuse;
                        r.set(d);
                        return r;
                    }
                case // Teradata Type: DATE
                DATE:
                    Date dt = in.readDate();
                    if (isNull) {
                        return null;
                    } else {
                        DateWritableV2 r = reuse == null ? new DateWritableV2() : (DateWritableV2) reuse;
                        r.set(dt);
                        return r;
                    }
                case // Teradata Type: BYTEINT
                BYTE:
                    byte bt = in.readByte();
                    if (isNull) {
                        return null;
                    } else {
                        ByteWritable r = reuse == null ? new ByteWritable() : (ByteWritable) reuse;
                        r.set(bt);
                        return r;
                    }
                case // Teradata Type: BIGINT
                LONG:
                    long l = in.readLong();
                    if (isNull) {
                        return null;
                    } else {
                        LongWritable r = reuse == null ? new LongWritable() : (LongWritable) reuse;
                        r.set(l);
                        return r;
                    }
                case // Teradata Type: CHAR
                CHAR:
                    CharTypeInfo ctype = (CharTypeInfo) type;
                    int length = ctype.getLength();
                    String c = in.readChar(length * getCharByteNum(charCharset));
                    if (isNull) {
                        return null;
                    } else {
                        HiveCharWritable r = reuse == null ? new HiveCharWritable() : (HiveCharWritable) reuse;
                        r.set(c, length);
                        return r;
                    }
                case // Teradata Type: DECIMAL
                DECIMAL:
                    DecimalTypeInfo dtype = (DecimalTypeInfo) type;
                    int precision = dtype.precision();
                    int scale = dtype.scale();
                    HiveDecimal hd = in.readDecimal(scale, getDecimalByteNum(precision));
                    if (isNull) {
                        return null;
                    } else {
                        HiveDecimalWritable r = (reuse == null ? new HiveDecimalWritable() : (HiveDecimalWritable) reuse);
                        r.set(hd);
                        return r;
                    }
                case // Teradata Type: SMALLINT
                SHORT:
                    short s = in.readShort();
                    if (isNull) {
                        return null;
                    } else {
                        ShortWritable r = reuse == null ? new ShortWritable() : (ShortWritable) reuse;
                        r.set(s);
                        return r;
                    }
                case // Teradata Type: VARBYTE
                BINARY:
                    byte[] content = in.readVarbyte();
                    if (isNull) {
                        return null;
                    } else {
                        BytesWritable r = new BytesWritable();
                        r.set(content, 0, content.length);
                        return r;
                    }
                default:
                    throw new SerDeException("Unrecognized type: " + ptype.getPrimitiveCategory());
            }
        // Currently, deserialization of complex types is not supported
        case LIST:
        case MAP:
        case STRUCT:
        default:
            throw new SerDeException("Unsupported category: " + type.getCategory());
    }
}

Example 84 with DateWritableV2

use of org.apache.hadoop.hive.serde2.io.DateWritableV2 in project hive by apache.

the class LazyBinarySerDe method serialize.

/**
 * A recursive function that serialize an object to a byte buffer based on its
 * object inspector.
 *
 * @param byteStream
 *          the byte stream storing the serialization data
 * @param obj
 *          the object to serialize
 * @param objInspector
 *          the object inspector
 * @param skipLengthPrefix a boolean indicating whether length prefix is
 *          needed for list/map/struct
 * @param warnedOnceNullMapKey a boolean indicating whether a warning
 *          has been issued once already when encountering null map keys
 */
public static void serialize(RandomAccessOutput byteStream, Object obj, ObjectInspector objInspector, boolean skipLengthPrefix, BooleanRef warnedOnceNullMapKey) throws SerDeException {
    // do nothing for null object
    if (null == obj) {
        return;
    }
    switch(objInspector.getCategory()) {
        case PRIMITIVE:
            {
                PrimitiveObjectInspector poi = (PrimitiveObjectInspector) objInspector;
                switch(poi.getPrimitiveCategory()) {
                    case VOID:
                        {
                            return;
                        }
                    case BOOLEAN:
                        {
                            boolean v = ((BooleanObjectInspector) poi).get(obj);
                            byteStream.write((byte) (v ? 1 : 0));
                            return;
                        }
                    case BYTE:
                        {
                            ByteObjectInspector boi = (ByteObjectInspector) poi;
                            byte v = boi.get(obj);
                            byteStream.write(v);
                            return;
                        }
                    case SHORT:
                        {
                            ShortObjectInspector spoi = (ShortObjectInspector) poi;
                            short v = spoi.get(obj);
                            byteStream.write((byte) (v >> 8));
                            byteStream.write((byte) (v));
                            return;
                        }
                    case INT:
                        {
                            IntObjectInspector ioi = (IntObjectInspector) poi;
                            int v = ioi.get(obj);
                            LazyBinaryUtils.writeVInt(byteStream, v);
                            return;
                        }
                    case LONG:
                        {
                            LongObjectInspector loi = (LongObjectInspector) poi;
                            long v = loi.get(obj);
                            LazyBinaryUtils.writeVLong(byteStream, v);
                            return;
                        }
                    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;
                        }
                    case DOUBLE:
                        {
                            DoubleObjectInspector doi = (DoubleObjectInspector) poi;
                            LazyBinaryUtils.writeDouble(byteStream, doi.get(obj));
                            return;
                        }
                    case STRING:
                        {
                            StringObjectInspector soi = (StringObjectInspector) poi;
                            Text t = soi.getPrimitiveWritableObject(obj);
                            serializeText(byteStream, t, skipLengthPrefix);
                            return;
                        }
                    case CHAR:
                        {
                            HiveCharObjectInspector hcoi = (HiveCharObjectInspector) poi;
                            Text t = hcoi.getPrimitiveWritableObject(obj).getTextValue();
                            serializeText(byteStream, t, skipLengthPrefix);
                            return;
                        }
                    case VARCHAR:
                        {
                            HiveVarcharObjectInspector hcoi = (HiveVarcharObjectInspector) poi;
                            Text t = hcoi.getPrimitiveWritableObject(obj).getTextValue();
                            serializeText(byteStream, t, skipLengthPrefix);
                            return;
                        }
                    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;
                        }
                    case DATE:
                        {
                            DateWritableV2 d = ((DateObjectInspector) poi).getPrimitiveWritableObject(obj);
                            writeDateToByteStream(byteStream, d);
                            return;
                        }
                    case TIMESTAMP:
                        {
                            TimestampObjectInspector toi = (TimestampObjectInspector) poi;
                            TimestampWritableV2 t = toi.getPrimitiveWritableObject(obj);
                            t.writeToByteStream(byteStream);
                            return;
                        }
                    case TIMESTAMPLOCALTZ:
                        {
                            TimestampLocalTZWritable t = ((TimestampLocalTZObjectInspector) poi).getPrimitiveWritableObject(obj);
                            t.writeToByteStream(byteStream);
                            return;
                        }
                    case INTERVAL_YEAR_MONTH:
                        {
                            HiveIntervalYearMonthWritable intervalYearMonth = ((HiveIntervalYearMonthObjectInspector) poi).getPrimitiveWritableObject(obj);
                            intervalYearMonth.writeToByteStream(byteStream);
                            return;
                        }
                    case INTERVAL_DAY_TIME:
                        {
                            HiveIntervalDayTimeWritable intervalDayTime = ((HiveIntervalDayTimeObjectInspector) poi).getPrimitiveWritableObject(obj);
                            intervalDayTime.writeToByteStream(byteStream);
                            return;
                        }
                    case DECIMAL:
                        {
                            HiveDecimalObjectInspector bdoi = (HiveDecimalObjectInspector) poi;
                            HiveDecimalWritable t = bdoi.getPrimitiveWritableObject(obj);
                            if (t == null) {
                                return;
                            }
                            writeToByteStream(byteStream, t);
                            return;
                        }
                    default:
                        {
                            throw new RuntimeException("Unrecognized type: " + poi.getPrimitiveCategory());
                        }
                }
            }
        case LIST:
            {
                ListObjectInspector loi = (ListObjectInspector) objInspector;
                ObjectInspector eoi = loi.getListElementObjectInspector();
                int byteSizeStart = 0;
                int listStart = 0;
                if (!skipLengthPrefix) {
                    // 1/ reserve spaces for the byte size of the list
                    // which is a integer and takes four bytes
                    byteSizeStart = byteStream.getLength();
                    byteStream.reserve(4);
                    listStart = byteStream.getLength();
                }
                // 2/ write the size of the list as a VInt
                int size = loi.getListLength(obj);
                LazyBinaryUtils.writeVInt(byteStream, size);
                // 3/ write the null bytes
                byte nullByte = 0;
                for (int eid = 0; eid < size; eid++) {
                    // set the bit to 1 if an element is not null
                    if (null != loi.getListElement(obj, eid)) {
                        nullByte |= 1 << (eid % 8);
                    }
                    // if this is the last element
                    if (7 == eid % 8 || eid == size - 1) {
                        byteStream.write(nullByte);
                        nullByte = 0;
                    }
                }
                // 4/ write element by element from the list
                for (int eid = 0; eid < size; eid++) {
                    serialize(byteStream, loi.getListElement(obj, eid), eoi, false, warnedOnceNullMapKey);
                }
                if (!skipLengthPrefix) {
                    // 5/ update the list byte size
                    int listEnd = byteStream.getLength();
                    int listSize = listEnd - listStart;
                    writeSizeAtOffset(byteStream, byteSizeStart, listSize);
                }
                return;
            }
        case MAP:
            {
                MapObjectInspector moi = (MapObjectInspector) objInspector;
                ObjectInspector koi = moi.getMapKeyObjectInspector();
                ObjectInspector voi = moi.getMapValueObjectInspector();
                Map<?, ?> map = moi.getMap(obj);
                int byteSizeStart = 0;
                int mapStart = 0;
                if (!skipLengthPrefix) {
                    // 1/ reserve spaces for the byte size of the map
                    // which is a integer and takes four bytes
                    byteSizeStart = byteStream.getLength();
                    byteStream.reserve(4);
                    mapStart = byteStream.getLength();
                }
                // 2/ write the size of the map which is a VInt
                int size = map.size();
                LazyBinaryUtils.writeVInt(byteStream, size);
                // 3/ write the null bytes
                int b = 0;
                byte nullByte = 0;
                for (Map.Entry<?, ?> entry : map.entrySet()) {
                    // set the bit to 1 if a key is not null
                    if (null != entry.getKey()) {
                        nullByte |= 1 << (b % 8);
                    } else if (warnedOnceNullMapKey != null) {
                        if (!warnedOnceNullMapKey.value) {
                            LOG.warn("Null map key encountered! Ignoring similar problems.");
                        }
                        warnedOnceNullMapKey.value = true;
                    }
                    b++;
                    // set the bit to 1 if a value is not null
                    if (null != entry.getValue()) {
                        nullByte |= 1 << (b % 8);
                    }
                    b++;
                    // or if this is the last key-value pair
                    if (0 == b % 8 || b == size * 2) {
                        byteStream.write(nullByte);
                        nullByte = 0;
                    }
                }
                // 4/ write key-value pairs one by one
                for (Map.Entry<?, ?> entry : map.entrySet()) {
                    serialize(byteStream, entry.getKey(), koi, false, warnedOnceNullMapKey);
                    serialize(byteStream, entry.getValue(), voi, false, warnedOnceNullMapKey);
                }
                if (!skipLengthPrefix) {
                    // 5/ update the byte size of the map
                    int mapEnd = byteStream.getLength();
                    int mapSize = mapEnd - mapStart;
                    writeSizeAtOffset(byteStream, byteSizeStart, mapSize);
                }
                return;
            }
        case STRUCT:
        case UNION:
            {
                int byteSizeStart = 0;
                int typeStart = 0;
                if (!skipLengthPrefix) {
                    // 1/ reserve spaces for the byte size of the struct
                    // which is a integer and takes four bytes
                    byteSizeStart = byteStream.getLength();
                    byteStream.reserve(4);
                    typeStart = byteStream.getLength();
                }
                if (ObjectInspector.Category.STRUCT.equals(objInspector.getCategory())) {
                    // 2/ serialize the struct
                    serializeStruct(byteStream, obj, (StructObjectInspector) objInspector, warnedOnceNullMapKey);
                } else {
                    // 2/ serialize the union
                    serializeUnion(byteStream, obj, (UnionObjectInspector) objInspector, warnedOnceNullMapKey);
                }
                if (!skipLengthPrefix) {
                    // 3/ update the byte size of the struct
                    int typeEnd = byteStream.getLength();
                    int typeSize = typeEnd - typeStart;
                    writeSizeAtOffset(byteStream, byteSizeStart, typeSize);
                }
                return;
            }
        default:
            {
                throw new RuntimeException("Unrecognized type: " + objInspector.getCategory());
            }
    }
}

Example 85 with DateWritableV2

use of org.apache.hadoop.hive.serde2.io.DateWritableV2 in project hive by apache.

the class VerifyFast method serializeWrite.

public static void serializeWrite(SerializeWrite serializeWrite, TypeInfo typeInfo, Object object) throws IOException {
    if (object == null) {
        serializeWrite.writeNull();
        return;
    }
    switch(typeInfo.getCategory()) {
        case PRIMITIVE:
            {
                PrimitiveTypeInfo primitiveTypeInfo = (PrimitiveTypeInfo) typeInfo;
                switch(primitiveTypeInfo.getPrimitiveCategory()) {
                    case BOOLEAN:
                        {
                            boolean value = ((BooleanWritable) object).get();
                            serializeWrite.writeBoolean(value);
                        }
                        break;
                    case BYTE:
                        {
                            byte value = ((ByteWritable) object).get();
                            serializeWrite.writeByte(value);
                        }
                        break;
                    case SHORT:
                        {
                            short value = ((ShortWritable) object).get();
                            serializeWrite.writeShort(value);
                        }
                        break;
                    case INT:
                        {
                            int value = ((IntWritable) object).get();
                            serializeWrite.writeInt(value);
                        }
                        break;
                    case LONG:
                        {
                            long value = ((LongWritable) object).get();
                            serializeWrite.writeLong(value);
                        }
                        break;
                    case FLOAT:
                        {
                            float value = ((FloatWritable) object).get();
                            serializeWrite.writeFloat(value);
                        }
                        break;
                    case DOUBLE:
                        {
                            double value = ((DoubleWritable) object).get();
                            serializeWrite.writeDouble(value);
                        }
                        break;
                    case STRING:
                        {
                            Text value = (Text) object;
                            byte[] stringBytes = value.getBytes();
                            int stringLength = stringBytes.length;
                            serializeWrite.writeString(stringBytes, 0, stringLength);
                        }
                        break;
                    case CHAR:
                        {
                            HiveChar value = ((HiveCharWritable) object).getHiveChar();
                            serializeWrite.writeHiveChar(value);
                        }
                        break;
                    case VARCHAR:
                        {
                            HiveVarchar value = ((HiveVarcharWritable) object).getHiveVarchar();
                            serializeWrite.writeHiveVarchar(value);
                        }
                        break;
                    case DECIMAL:
                        {
                            HiveDecimal value = ((HiveDecimalWritable) object).getHiveDecimal();
                            DecimalTypeInfo decTypeInfo = (DecimalTypeInfo) primitiveTypeInfo;
                            serializeWrite.writeHiveDecimal(value, decTypeInfo.scale());
                        }
                        break;
                    case DATE:
                        {
                            Date value = ((DateWritableV2) object).get();
                            serializeWrite.writeDate(value);
                        }
                        break;
                    case TIMESTAMP:
                        {
                            Timestamp value = ((TimestampWritableV2) object).getTimestamp();
                            serializeWrite.writeTimestamp(value);
                        }
                        break;
                    case INTERVAL_YEAR_MONTH:
                        {
                            HiveIntervalYearMonth value = ((HiveIntervalYearMonthWritable) object).getHiveIntervalYearMonth();
                            serializeWrite.writeHiveIntervalYearMonth(value);
                        }
                        break;
                    case INTERVAL_DAY_TIME:
                        {
                            HiveIntervalDayTime value = ((HiveIntervalDayTimeWritable) object).getHiveIntervalDayTime();
                            serializeWrite.writeHiveIntervalDayTime(value);
                        }
                        break;
                    case BINARY:
                        {
                            BytesWritable byteWritable = (BytesWritable) object;
                            byte[] binaryBytes = byteWritable.getBytes();
                            int length = byteWritable.getLength();
                            serializeWrite.writeBinary(binaryBytes, 0, length);
                        }
                        break;
                    default:
                        throw new Error("Unknown primitive category " + primitiveTypeInfo.getPrimitiveCategory().name());
                }
            }
            break;
        case LIST:
            {
                ListTypeInfo listTypeInfo = (ListTypeInfo) typeInfo;
                TypeInfo elementTypeInfo = listTypeInfo.getListElementTypeInfo();
                ArrayList<Object> elements = (ArrayList<Object>) object;
                serializeWrite.beginList(elements);
                boolean isFirst = true;
                for (Object elementObject : elements) {
                    if (isFirst) {
                        isFirst = false;
                    } else {
                        serializeWrite.separateList();
                    }
                    if (elementObject == null) {
                        serializeWrite.writeNull();
                    } else {
                        serializeWrite(serializeWrite, elementTypeInfo, elementObject);
                    }
                }
                serializeWrite.finishList();
            }
            break;
        case MAP:
            {
                MapTypeInfo mapTypeInfo = (MapTypeInfo) typeInfo;
                TypeInfo keyTypeInfo = mapTypeInfo.getMapKeyTypeInfo();
                TypeInfo valueTypeInfo = mapTypeInfo.getMapValueTypeInfo();
                HashMap<Object, Object> hashMap = (HashMap<Object, Object>) object;
                serializeWrite.beginMap(hashMap);
                boolean isFirst = true;
                for (Entry<Object, Object> entry : hashMap.entrySet()) {
                    if (isFirst) {
                        isFirst = false;
                    } else {
                        serializeWrite.separateKeyValuePair();
                    }
                    if (entry.getKey() == null) {
                        serializeWrite.writeNull();
                    } else {
                        serializeWrite(serializeWrite, keyTypeInfo, entry.getKey());
                    }
                    serializeWrite.separateKey();
                    if (entry.getValue() == null) {
                        serializeWrite.writeNull();
                    } else {
                        serializeWrite(serializeWrite, valueTypeInfo, entry.getValue());
                    }
                }
                serializeWrite.finishMap();
            }
            break;
        case STRUCT:
            {
                StructTypeInfo structTypeInfo = (StructTypeInfo) typeInfo;
                List<TypeInfo> fieldTypeInfos = structTypeInfo.getAllStructFieldTypeInfos();
                List<Object> fieldValues = (List<Object>) object;
                final int size = fieldValues.size();
                serializeWrite.beginStruct(fieldValues);
                boolean isFirst = true;
                for (int i = 0; i < size; i++) {
                    if (isFirst) {
                        isFirst = false;
                    } else {
                        serializeWrite.separateStruct();
                    }
                    serializeWrite(serializeWrite, fieldTypeInfos.get(i), fieldValues.get(i));
                }
                serializeWrite.finishStruct();
            }
            break;
        case UNION:
            {
                UnionTypeInfo unionTypeInfo = (UnionTypeInfo) typeInfo;
                List<TypeInfo> fieldTypeInfos = unionTypeInfo.getAllUnionObjectTypeInfos();
                final int size = fieldTypeInfos.size();
                StandardUnion standardUnion = (StandardUnion) object;
                byte tag = standardUnion.getTag();
                serializeWrite.beginUnion(tag);
                serializeWrite(serializeWrite, fieldTypeInfos.get(tag), standardUnion.getObject());
                serializeWrite.finishUnion();
            }
            break;
        default:
            throw new Error("Unknown category " + typeInfo.getCategory().name());
    }
}