com.oceanbase.jdbc.internal.com.send.parameters

类 ReaderParameter

java.lang.Object

com.oceanbase.jdbc.internal.com.send.parameters.ReaderParameter

所有已实现的接口:

LongDataParameterHolder, ParameterHolder, Cloneable

public class ReaderParameter
extends Object
implements Cloneable, LongDataParameterHolder

字段概要

从接口继承的字段 com.oceanbase.jdbc.internal.com.send.parameters.LongDataParameterHolder

BLOB_STREAM_READ_BUF_SIZE

从接口继承的字段 com.oceanbase.jdbc.internal.com.send.parameters.ParameterHolder

BINARY_INTRODUCER, QUOTE

构造器概要

构造器

构造器和说明
ReaderParameter(Clob clob, long length, boolean noBackslashEscapes)
ReaderParameter(Reader reader, boolean noBackslashEscapes)
ReaderParameter(Reader reader, long length, boolean noBackslashEscapes) Constructor.

方法概要

限定符和类型	方法和说明
int	getApproximateTextProtocolLength() Return approximated data calculated length for rewriting queries.
ColumnType	getColumnType()
boolean	isLongData()
boolean	isNullData()
String	toString()
void	writeBinary(PacketOutputStream pos) Write data to socket in binary format.
boolean	writeLongData(PacketOutputStream writer, Options options, int statementId, short paramIndex) Read the data in Reader and send Long Data Packet in batches according to the size of blobSendChunkSize
boolean	writePieceData(PacketOutputStream pos, boolean first, Options options) Never used
void	writeTo(PacketOutputStream pos) Write reader to database in text format.

从类继承的方法 java.lang.Object

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

构造器详细资料

ReaderParameter

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

Constructor.

参数:

reader - reader to write

length - max length to write (can be null)

noBackslashEscapes - must backslash be escape

ReaderParameter

public ReaderParameter(Clob clob,
                       long length,
                       boolean noBackslashEscapes)

ReaderParameter

public ReaderParameter(Reader reader,
                       boolean noBackslashEscapes)

方法详细资料

writeTo

public void writeTo(PacketOutputStream pos)
             throws IOException,
                    SQLException

Write reader to database in text format.

指定者:

writeTo 在接口中 ParameterHolder

参数:

pos - database outputStream

抛出:

IOException - if any error occur when reading reader

SQLException

getApproximateTextProtocolLength

public int getApproximateTextProtocolLength()

Return approximated data calculated length for rewriting queries.

指定者:

getApproximateTextProtocolLength 在接口中 ParameterHolder

返回:

approximated data length.

writeBinary

public void writeBinary(PacketOutputStream pos)
                 throws IOException,
                        SQLException

Write data to socket in binary format.

指定者:

writeBinary 在接口中 ParameterHolder

参数:

pos - socket output stream

抛出:

IOException - if socket error occur

SQLException

getColumnType

public ColumnType getColumnType()

指定者:

getColumnType 在接口中 ParameterHolder

toString

public String toString()

指定者:

toString 在接口中 ParameterHolder

覆盖:

toString 在类中 Object

isNullData

public boolean isNullData()

指定者:

isNullData 在接口中 ParameterHolder

isLongData

public boolean isLongData()

指定者:

isLongData 在接口中 ParameterHolder

writePieceData

public boolean writePieceData(PacketOutputStream pos,
                              boolean first,
                              Options options)
                       throws IOException

Never used

指定者:

writePieceData 在接口中 LongDataParameterHolder

参数:

pos -

first -

options -

返回:

抛出:

IOException

writeLongData

public boolean writeLongData(PacketOutputStream writer,
                             Options options,
                             int statementId,
                             short paramIndex)
                      throws IOException,
                             SQLException

Read the data in Reader and send Long Data Packet in batches according to the size of blobSendChunkSize

指定者:

writeLongData 在接口中 LongDataParameterHolder

参数:

writer - PacketOutputStream with socket

options - Connection options

statementId - Current statement id

paramIndex - Current parameter index

返回:

No effect, temporarily reserved

抛出:

IOException

SQLException