CmBufferWriter

java.lang.Object
- Altibase.jdbc.driver.cm.CmBufferWriter

Direct Known Subclasses:

CmChannel, ListBufferHandle
```
public abstract class CmBufferWriter
extends java.lang.Object
```
Author:

pss4you 기존 CmChannel 에 정의 되어있던 함수 중, ListBufferHandle 과 공유해서 사용할 함수 들을 뽑아낸 상위 클래스

Field Summary

Fields
Modifier and Type	Field and Description
`protected java.nio.ByteBuffer`	`mBuffer`
`protected java.nio.ByteBuffer`	`mCharVarcharColumnBuffer`
`protected java.nio.charset.CharsetEncoder`	`mDBEncoder`
`protected java.nio.charset.CharsetEncoder`	`mNCharEncoder`
`protected java.nio.charset.CharsetEncoder`	`mNLiteralEncoder`

Constructor Summary

Constructors
Constructor and Description

CmBufferWriter()

Constructors
Constructor and Description
`CmBufferWriter()`

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method and Description
`abstract void`	`checkWritable(int aNeedToWrite)` Buffer 에 쓸 데이터 공간이 충분한지 여부를 확인하여, 충분하지 않으면 필요한 공간을 만드는 함수 CmChannel 과 ListBufferHandle 에서 각자에 맞게 구현한다.
`java.nio.charset.CoderResult`	`encodeString(java.lang.String aValue, java.nio.ByteBuffer aBuf)`
`int`	`prepareToWriteString(java.lang.String aValue, int aConvType)`
`void`	`setCharset(java.nio.charset.Charset aCharset, java.nio.charset.Charset aNCharset)`
`void`	`writeByte(byte aValue)`
`void`	`writeBytes(byte[] aValue)`
`abstract void`	`writeBytes(java.nio.ByteBuffer aValue)` ByteBuffer 객체를 Buffer 에 삽입하는 함수 CmChannel 과 ListBufferHandle 에서 각자에 맞게 구현한다.
`void`	`writeDouble(double aValue)`
`void`	`writeFloat(float aValue)`
`void`	`writeInt(int aValue)`
`void`	`writeLong(long aValue)`
`void`	`writePreparedString()`
`void`	`writeShort(short aValue)`
`void`	`writeUnsignedInt(long aValue)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

mDBEncoder

protected java.nio.charset.CharsetEncoder mDBEncoder

mNCharEncoder

protected java.nio.charset.CharsetEncoder mNCharEncoder

mNLiteralEncoder

protected java.nio.charset.CharsetEncoder mNLiteralEncoder

mBuffer
```
protected java.nio.ByteBuffer mBuffer
```

mCharVarcharColumnBuffer

protected java.nio.ByteBuffer mCharVarcharColumnBuffer

Constructor Detail
- CmBufferWriter
```
public CmBufferWriter()
```

Method Detail

checkWritable
```
public abstract void checkWritable(int aNeedToWrite)
                            throws java.sql.SQLException
```
Buffer 에 쓸 데이터 공간이 충분한지 여부를 확인하여, 충분하지 않으면 필요한 공간을 만드는 함수 CmChannel 과 ListBufferHandle 에서 각자에 맞게 구현한다.

Parameters:

aNeedToWrite - 데이타를 쓰기 위해 필요한 bytes 숫자

Throws:

java.sql.SQLException - 데이타 전송에 실패했을 경우

writeBytes
```
public abstract void writeBytes(java.nio.ByteBuffer aValue)
                         throws java.sql.SQLException
```
ByteBuffer 객체를 Buffer 에 삽입하는 함수 CmChannel 과 ListBufferHandle 에서 각자에 맞게 구현한다.

Parameters:

aValue - Buffer 에 저장할 ByteBuffer 객체

Throws:

java.sql.SQLException - 데이타 전송에 실패했을 경우

prepareToWriteString

public int prepareToWriteString(java.lang.String aValue,
                                int aConvType)

writePreparedString

public void writePreparedString()
                         throws java.sql.SQLException

Throws:: java.sql.SQLException

encodeString

public java.nio.charset.CoderResult encodeString(java.lang.String aValue,
                                                 java.nio.ByteBuffer aBuf)

writeByte

public void writeByte(byte aValue)
               throws java.sql.SQLException

Throws:: java.sql.SQLException

writeShort

public void writeShort(short aValue)
                throws java.sql.SQLException

Throws:: java.sql.SQLException

writeInt

public void writeInt(int aValue)
              throws java.sql.SQLException

Throws:: java.sql.SQLException

writeUnsignedInt

public void writeUnsignedInt(long aValue)
                      throws java.sql.SQLException

Throws:: java.sql.SQLException

writeLong

public void writeLong(long aValue)
               throws java.sql.SQLException

Throws:: java.sql.SQLException

writeFloat

public void writeFloat(float aValue)
                throws java.sql.SQLException

Throws:: java.sql.SQLException

writeDouble

public void writeDouble(double aValue)
                 throws java.sql.SQLException

Throws:: java.sql.SQLException

writeBytes

public void writeBytes(byte[] aValue)
                throws java.sql.SQLException

Throws:: java.sql.SQLException

setCharset

public void setCharset(java.nio.charset.Charset aCharset,
                       java.nio.charset.Charset aNCharset)

Class CmBufferWriter

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

mDBEncoder

mNCharEncoder

mNLiteralEncoder

mBuffer

mCharVarcharColumnBuffer

Constructor Detail

CmBufferWriter

Method Detail

checkWritable

writeBytes

prepareToWriteString

writePreparedString

encodeString

writeByte

writeShort

writeInt

writeUnsignedInt

writeLong

writeFloat

writeDouble

writeBytes

setCharset