org.mariadb.jdbc.internal.packet.dao.parameters

Class ReaderParameter

java.lang.Object

org.mariadb.jdbc.internal.packet.dao.parameters.LongDataParameter

org.mariadb.jdbc.internal.packet.dao.parameters.ReaderParameter

All Implemented Interfaces:

ParameterHolder

public class ReaderParameter
extends LongDataParameter

Constructor Summary

Constructors

Constructor and Description
ReaderParameter(Reader reader, boolean noBackslashEscapes)
ReaderParameter(Reader reader, long length, boolean noBackslashEscapes) Constructor.

Method Summary

Modifier and Type	Method and Description
long	getApproximateTextProtocolLength() Return approximated data calculated length for rewriting queries
MariaDbType	getMariaDbType()
void	sendComLongData(int statementId, short parameterId, PacketOutputStream writer) Send reader in one or many COM_STMT_LONG_DATA.
String	toString()
void	writeTo(PacketOutputStream os) Write reader to database in text format.
void	writeUnsafeTo(PacketOutputStream os) Write reader to database in text format without checking buffer size.

Methods inherited from class org.mariadb.jdbc.internal.packet.dao.parameters.LongDataParameter

isLongData, isNullData

Methods inherited from class java.lang.Object

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

Constructor Detail

ReaderParameter

public ReaderParameter(Reader reader,
                       long length,
                       boolean noBackslashEscapes)

Constructor.

Parameters:

reader - reader to write

length - max length to write (can be null)

noBackslashEscapes - must backslash be escape

ReaderParameter

public ReaderParameter(Reader reader,
                       boolean noBackslashEscapes)

Method Detail

writeTo

public void writeTo(PacketOutputStream os)
             throws IOException

Write reader to database in text format.

Parameters:

os - database outputStream

Throws:

IOException - if any error occur when reading reader

writeUnsafeTo

public void writeUnsafeTo(PacketOutputStream os)
                   throws IOException

Write reader to database in text format without checking buffer size.

Parameters:

os - database outputStream

Throws:

IOException - if any error occur when reading reader

getApproximateTextProtocolLength

public long getApproximateTextProtocolLength()
                                      throws IOException

Return approximated data calculated length for rewriting queries

Returns:

approximated data length.

Throws:

IOException - if error reading stream

sendComLongData

public void sendComLongData(int statementId,
                            short parameterId,
                            PacketOutputStream writer)
                     throws IOException,
                            QueryException

Send reader in one or many COM_STMT_LONG_DATA. (reading is using a big buffer to avoid having a lot of packet, because server will allocate/deallocate array each send)

Specified by:

sendComLongData in class LongDataParameter

Parameters:

statementId - statement id

parameterId - parameter number

writer - writer

Throws:

IOException - if any connection exception occur

QueryException - if query size is to big according to server max_allowed_size

getMariaDbType

public MariaDbType getMariaDbType()

toString

public String toString()

Specified by:

toString in interface ParameterHolder

Overrides:

toString in class Object