Package net.snowflake.client.jdbc

Class JsonResultChunk

java.lang.Object

net.snowflake.client.jdbc.SnowflakeResultChunk

net.snowflake.client.jdbc.JsonResultChunk

public class JsonResultChunk
extends SnowflakeResultChunk

Nested Class Summary

Nested classes/interfaces inherited from class net.snowflake.client.jdbc.SnowflakeResultChunk

SnowflakeResultChunk.DownloadState

Constructor Summary

Constructors

Constructor	Description
JsonResultChunk(String url, int rowCount, int colCount, int uncompressedSize, SFBaseSession session)

Method Summary

Modifier and Type	Method	Description
void	addByte(byte b, int pos)
void	addBytes(byte[] src, int offset, int pos, int length)
void	addOffset(int offset)
void	addRow(Object[] row)
int	computeCharactersNeeded()
long	computeNeededChunkMemory()	Compute the memory necessary to store the data of this chunk
void	ensureRowsComplete()	Checks that all data has been added after parsing.
static Object	extractCell(com.fasterxml.jackson.databind.JsonNode resultData, int rowIdx, int colIdx)
void	freeData()
byte	get(int offset)
Object	getCell(int rowIdx, int colIdx)	Creates a String object for the given cell
void	nextIndex()
void	reset()
void	setIsNull()
void	setLastLength(int len)
void	tryReuse(net.snowflake.client.jdbc.JsonResultChunk.ResultChunkDataCache cache)

Methods inherited from class net.snowflake.client.jdbc.SnowflakeResultChunk

getColCount, getDownloadCondition, getDownloadError, getDownloadState, getDownloadTime, getLock, getParseTime, getRowCount, getScrubbedUrl, getUncompressedSize, getUrl, isReleased, setDownloadError, setDownloadState, setDownloadTime, setParseTime, setReleased

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonResultChunk

public JsonResultChunk(String url,
                       int rowCount,
                       int colCount,
                       int uncompressedSize,
                       SFBaseSession session)

Method Detail

extractCell

public static Object extractCell(com.fasterxml.jackson.databind.JsonNode resultData,
                                 int rowIdx,
                                 int colIdx)

tryReuse

public void tryReuse(net.snowflake.client.jdbc.JsonResultChunk.ResultChunkDataCache cache)

getCell

public final Object getCell(int rowIdx,
                            int colIdx)

Creates a String object for the given cell

Parameters:

rowIdx - zero based row

colIdx - zero based column

Returns:

String

addRow

public final void addRow(Object[] row)
                  throws SnowflakeSQLException

Throws:

SnowflakeSQLException

ensureRowsComplete

public final void ensureRowsComplete()
                              throws SnowflakeSQLException

Checks that all data has been added after parsing.

Throws:

SnowflakeSQLException - when rows are not all downloaded

reset

public void reset()

computeNeededChunkMemory

public final long computeNeededChunkMemory()

Compute the memory necessary to store the data of this chunk

Returns:

necessary memory in bytes

freeData

public final void freeData()

computeCharactersNeeded

public int computeCharactersNeeded()

addOffset

public void addOffset(int offset)
               throws SnowflakeSQLException

Throws:

SnowflakeSQLException

setIsNull

public void setIsNull()
               throws SnowflakeSQLException

Throws:

SnowflakeSQLException

setLastLength

public void setLastLength(int len)
                   throws SnowflakeSQLException

Throws:

SnowflakeSQLException

nextIndex

public void nextIndex()
               throws SnowflakeSQLException

Throws:

SnowflakeSQLException

get

public byte get(int offset)
         throws SnowflakeSQLException

Throws:

SnowflakeSQLException

addByte

public void addByte(byte b,
                    int pos)
             throws SnowflakeSQLException

Throws:

SnowflakeSQLException

addBytes

public void addBytes(byte[] src,
                     int offset,
                     int pos,
                     int length)
              throws SnowflakeSQLException

Throws:

SnowflakeSQLException