com.singlestore.jdbc.client.result.rowdecoder

Class TextRowDecoder

java.lang.Object

com.singlestore.jdbc.client.result.rowdecoder.TextRowDecoder

All Implemented Interfaces:

RowDecoder

public class TextRowDecoder
extends Object
implements RowDecoder

TEXT rows decoder

Constructor Summary

Constructors

Constructor and Description
TextRowDecoder()

Method Summary

Modifier and Type	Method and Description
<T> T	decode(Codec<T> codec, Calendar cal, StandardReadableByteBuf rowBuf, MutableInt fieldLength, com.singlestore.jdbc.client.ColumnDecoder[] metadataList, MutableInt fieldIndex) Decode data according to data type.
boolean	decodeBoolean(com.singlestore.jdbc.client.ColumnDecoder[] metadataList, MutableInt fieldIndex, StandardReadableByteBuf rowBuf, MutableInt fieldLength) Decode data according to boolean.
byte	decodeByte(com.singlestore.jdbc.client.ColumnDecoder[] metadataList, MutableInt fieldIndex, StandardReadableByteBuf rowBuf, MutableInt fieldLength) Decode data according to byte.
Date	decodeDate(com.singlestore.jdbc.client.ColumnDecoder[] metadataList, MutableInt fieldIndex, StandardReadableByteBuf rowBuf, MutableInt fieldLength, Calendar cal) Decode data according to Date.
double	decodeDouble(com.singlestore.jdbc.client.ColumnDecoder[] metadataList, MutableInt fieldIndex, StandardReadableByteBuf rowBuf, MutableInt fieldLength) Decode data according to double.
float	decodeFloat(com.singlestore.jdbc.client.ColumnDecoder[] metadataList, MutableInt fieldIndex, StandardReadableByteBuf rowBuf, MutableInt fieldLength) Decode data according to float.
int	decodeInt(com.singlestore.jdbc.client.ColumnDecoder[] metadataList, MutableInt fieldIndex, StandardReadableByteBuf rowBuf, MutableInt fieldLength) Decode data according to int.
long	decodeLong(com.singlestore.jdbc.client.ColumnDecoder[] metadataList, MutableInt fieldIndex, StandardReadableByteBuf rowBuf, MutableInt fieldLength) Decode data according to long.
short	decodeShort(com.singlestore.jdbc.client.ColumnDecoder[] metadataList, MutableInt fieldIndex, StandardReadableByteBuf rowBuf, MutableInt fieldLength) Decode data according to short.
String	decodeString(com.singlestore.jdbc.client.ColumnDecoder[] metadataList, MutableInt fieldIndex, StandardReadableByteBuf rowBuf, MutableInt fieldLength) Decode data according to String.
Time	decodeTime(com.singlestore.jdbc.client.ColumnDecoder[] metadataList, MutableInt fieldIndex, StandardReadableByteBuf rowBuf, MutableInt fieldLength, Calendar cal) Decode data according to Time.
Timestamp	decodeTimestamp(com.singlestore.jdbc.client.ColumnDecoder[] metadataList, MutableInt fieldIndex, StandardReadableByteBuf rowBuf, MutableInt fieldLength, Calendar cal) Decode data according to Timestamp.
Object	defaultDecode(Configuration conf, com.singlestore.jdbc.client.ColumnDecoder[] metadataList, MutableInt fieldIndex, StandardReadableByteBuf rowBuf, MutableInt fieldLength) Decode data according to data type.
int	setPosition(int newIndex, MutableInt fieldIndex, int maxIndex, StandardReadableByteBuf rowBuf, byte[] nullBitmap, com.singlestore.jdbc.client.ColumnDecoder[] metadataList) Set length and pos indicator to asked index.
boolean	wasNull(byte[] nullBitmap, MutableInt fieldIndex, MutableInt fieldLength) Indicate if last decoded value was null

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TextRowDecoder

public TextRowDecoder()

Method Detail

decode

public <T> T decode(Codec<T> codec,
                    Calendar cal,
                    StandardReadableByteBuf rowBuf,
                    MutableInt fieldLength,
                    com.singlestore.jdbc.client.ColumnDecoder[] metadataList,
                    MutableInt fieldIndex)
             throws SQLException

Description copied from interface: RowDecoder

Decode data according to data type.

Specified by:

decode in interface RowDecoder

Type Parameters:

T - Codec default return type

Parameters:

codec - current codec

cal - calendar

rowBuf - row buffer

fieldLength - field length

metadataList - metadatas

fieldIndex - field index

Returns:

default object according to metadata

Throws:

SQLException - if any decoding error occurs

defaultDecode

public Object defaultDecode(Configuration conf,
                            com.singlestore.jdbc.client.ColumnDecoder[] metadataList,
                            MutableInt fieldIndex,
                            StandardReadableByteBuf rowBuf,
                            MutableInt fieldLength)
                     throws SQLException

Description copied from interface: RowDecoder

Decode data according to data type.

Specified by:

defaultDecode in interface RowDecoder

Parameters:

conf - configuration

metadataList - metadata list

fieldIndex - field index

rowBuf - row buffer

fieldLength - field length

Returns:

data

Throws:

SQLException - if any decoding error occurs

decodeString

public String decodeString(com.singlestore.jdbc.client.ColumnDecoder[] metadataList,
                           MutableInt fieldIndex,
                           StandardReadableByteBuf rowBuf,
                           MutableInt fieldLength)
                    throws SQLException

Description copied from interface: RowDecoder

Decode data according to String.

Specified by:

decodeString in interface RowDecoder

Parameters:

metadataList - metadata list

fieldIndex - field index

rowBuf - row buffer

fieldLength - field length

Returns:

data

Throws:

SQLException - if data type cannot be decoded to String value

decodeByte

public byte decodeByte(com.singlestore.jdbc.client.ColumnDecoder[] metadataList,
                       MutableInt fieldIndex,
                       StandardReadableByteBuf rowBuf,
                       MutableInt fieldLength)
                throws SQLException

Description copied from interface: RowDecoder

Decode data according to byte.

Specified by:

decodeByte in interface RowDecoder

Parameters:

metadataList - metadata list

fieldIndex - field index

rowBuf - row buffer

fieldLength - field length

Returns:

data

Throws:

SQLException - if data type cannot be decoded to byte value

decodeBoolean

public boolean decodeBoolean(com.singlestore.jdbc.client.ColumnDecoder[] metadataList,
                             MutableInt fieldIndex,
                             StandardReadableByteBuf rowBuf,
                             MutableInt fieldLength)
                      throws SQLException

Description copied from interface: RowDecoder

Decode data according to boolean.

Specified by:

decodeBoolean in interface RowDecoder

Parameters:

metadataList - metadata list

fieldIndex - field index

rowBuf - row buffer

fieldLength - field length

Returns:

data

Throws:

SQLException - if data type cannot be decoded to boolean value

decodeDate

public Date decodeDate(com.singlestore.jdbc.client.ColumnDecoder[] metadataList,
                       MutableInt fieldIndex,
                       StandardReadableByteBuf rowBuf,
                       MutableInt fieldLength,
                       Calendar cal)
                throws SQLException

Description copied from interface: RowDecoder

Decode data according to Date.

Specified by:

decodeDate in interface RowDecoder

Parameters:

metadataList - metadata list

fieldIndex - field index

rowBuf - row buffer

fieldLength - field length

cal - calendar

Returns:

data

Throws:

SQLException - if data type cannot be decoded to Date value

decodeTime

public Time decodeTime(com.singlestore.jdbc.client.ColumnDecoder[] metadataList,
                       MutableInt fieldIndex,
                       StandardReadableByteBuf rowBuf,
                       MutableInt fieldLength,
                       Calendar cal)
                throws SQLException

Description copied from interface: RowDecoder

Decode data according to Time.

Specified by:

decodeTime in interface RowDecoder

Parameters:

metadataList - metadata list

fieldIndex - field index

rowBuf - row buffer

fieldLength - field length

cal - calendar

Returns:

data

Throws:

SQLException - if data type cannot be decoded to Time value

decodeTimestamp

public Timestamp decodeTimestamp(com.singlestore.jdbc.client.ColumnDecoder[] metadataList,
                                 MutableInt fieldIndex,
                                 StandardReadableByteBuf rowBuf,
                                 MutableInt fieldLength,
                                 Calendar cal)
                          throws SQLException

Description copied from interface: RowDecoder

Decode data according to Timestamp.

Specified by:

decodeTimestamp in interface RowDecoder

Parameters:

metadataList - metadata list

fieldIndex - field index

rowBuf - row buffer

fieldLength - field length

cal - calendar

Returns:

data

Throws:

SQLException - if data type cannot be decoded to Timestamp value

decodeShort

public short decodeShort(com.singlestore.jdbc.client.ColumnDecoder[] metadataList,
                         MutableInt fieldIndex,
                         StandardReadableByteBuf rowBuf,
                         MutableInt fieldLength)
                  throws SQLException

Description copied from interface: RowDecoder

Decode data according to short.

Specified by:

decodeShort in interface RowDecoder

Parameters:

metadataList - metadata list

fieldIndex - field index

rowBuf - row buffer

fieldLength - field length

Returns:

data

Throws:

SQLException - if data type cannot be decoded to short value

decodeInt

public int decodeInt(com.singlestore.jdbc.client.ColumnDecoder[] metadataList,
                     MutableInt fieldIndex,
                     StandardReadableByteBuf rowBuf,
                     MutableInt fieldLength)
              throws SQLException

Description copied from interface: RowDecoder

Decode data according to int.

Specified by:

decodeInt in interface RowDecoder

Parameters:

metadataList - metadata list

fieldIndex - field index

rowBuf - row buffer

fieldLength - field length

Returns:

data

Throws:

SQLException - if data type cannot be decoded to int value

decodeLong

public long decodeLong(com.singlestore.jdbc.client.ColumnDecoder[] metadataList,
                       MutableInt fieldIndex,
                       StandardReadableByteBuf rowBuf,
                       MutableInt fieldLength)
                throws SQLException

Description copied from interface: RowDecoder

Decode data according to long.

Specified by:

decodeLong in interface RowDecoder

Parameters:

metadataList - metadata list

fieldIndex - field index

rowBuf - row buffer

fieldLength - field length

Returns:

data

Throws:

SQLException - if data type cannot be decoded to long value

decodeFloat

public float decodeFloat(com.singlestore.jdbc.client.ColumnDecoder[] metadataList,
                         MutableInt fieldIndex,
                         StandardReadableByteBuf rowBuf,
                         MutableInt fieldLength)
                  throws SQLException

Description copied from interface: RowDecoder

Decode data according to float.

Specified by:

decodeFloat in interface RowDecoder

Parameters:

metadataList - metadata list

fieldIndex - field index

rowBuf - row buffer

fieldLength - field length

Returns:

data

Throws:

SQLException - if data type cannot be decoded to float value

decodeDouble

public double decodeDouble(com.singlestore.jdbc.client.ColumnDecoder[] metadataList,
                           MutableInt fieldIndex,
                           StandardReadableByteBuf rowBuf,
                           MutableInt fieldLength)
                    throws SQLException

Description copied from interface: RowDecoder

Decode data according to double.

Specified by:

decodeDouble in interface RowDecoder

Parameters:

metadataList - metadata list

fieldIndex - field index

rowBuf - row buffer

fieldLength - field length

Returns:

data

Throws:

SQLException - if data type cannot be decoded to double value

wasNull

public boolean wasNull(byte[] nullBitmap,
                       MutableInt fieldIndex,
                       MutableInt fieldLength)

Description copied from interface: RowDecoder

Indicate if last decoded value was null

Specified by:

wasNull in interface RowDecoder

Parameters:

nullBitmap - null bitmap

fieldIndex - field index

fieldLength - field length

Returns:

true if last value was null

setPosition

public int setPosition(int newIndex,
                       MutableInt fieldIndex,
                       int maxIndex,
                       StandardReadableByteBuf rowBuf,
                       byte[] nullBitmap,
                       com.singlestore.jdbc.client.ColumnDecoder[] metadataList)

Set length and pos indicator to asked index.

Specified by:

setPosition in interface RowDecoder

Parameters:

newIndex - index (1 is first).

fieldIndex - current field index

maxIndex - maximum index

rowBuf - row buffer

nullBitmap - null bitmap

metadataList - metadata list

Returns:

new index to read data