org.mariadb.jdbc.internal.packet.read

Class ReadPacketFetcher

java.lang.Object

org.mariadb.jdbc.internal.packet.read.ReadPacketFetcher

public class ReadPacketFetcher
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	AVOID_CREATE_BUFFER_LENGTH

Constructor Summary

Constructors

Constructor and Description
ReadPacketFetcher(MariaDbInputStream is, int maxQuerySizeToLog) Reader utility to fetch mysql packet.

Method Summary

Modifier and Type	Method and Description
void	close()
MariaDbInputStream	getInputStream()
int	getLastPacketSeq()
Buffer	getPacket() Get buffer packet.
int	getPacketLength() Get next packet length.
Buffer	getReusableBuffer() Get buffer with shared array.
Buffer	getReusableBuffer(int length, byte[] lastReusableArray) Get buffer with shared array of designated length.
byte[]	readLength(int length) Read buffer without reading the length packet first.

Methods inherited from class java.lang.Object

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

Field Detail

AVOID_CREATE_BUFFER_LENGTH

public static final int AVOID_CREATE_BUFFER_LENGTH

See Also:

Constant Field Values

Constructor Detail

ReadPacketFetcher

public ReadPacketFetcher(MariaDbInputStream is,
                         int maxQuerySizeToLog)

Reader utility to fetch mysql packet.

Parameters:

is - inputStream

maxQuerySizeToLog - max query size to log

Method Detail

getPacketLength

public int getPacketLength()
                    throws IOException

Get next packet length.

Returns:

the length of the next packet

Throws:

IOException - if any

getPacket

public Buffer getPacket()
                 throws IOException

Get buffer packet.

Returns:

Buffer the buffer

Throws:

IOException - if any

getReusableBuffer

public Buffer getReusableBuffer(int length,
                                byte[] lastReusableArray)
                         throws IOException

Get buffer with shared array of designated length.

Parameters:

length - length to read

lastReusableArray - (optional) lastReusableArray to avoid create new array if possible

Returns:

Buffer the buffer

Throws:

IOException - if any

getReusableBuffer

public Buffer getReusableBuffer()
                         throws IOException

Get buffer with shared array.

Returns:

Buffer the buffer

Throws:

IOException - if any

getLastPacketSeq

public int getLastPacketSeq()

close

public void close()
           throws IOException

Throws:

IOException

getInputStream

public MariaDbInputStream getInputStream()

readLength

public byte[] readLength(int length)
                  throws IOException

Read buffer without reading the length packet first.

Parameters:

length - data to read

Returns:

byte array the de desired length

Throws:

IOException - if any error occur