net.wicp.tams.common.binlog.parser

类 LogBuffer

java.lang.Object

net.wicp.tams.common.binlog.parser.LogBuffer

直接已知子类:

LogFetcher

public class LogBuffer
extends Object

TODO: Document Me!!

版本:

1.0

作者:

Changyuan.lh

字段概要

字段

限定符和类型	字段和说明
static BigInteger	BIGINT_MAX_VALUE
protected byte[]	buffer
static int	DIG_BASE
static int	DIG_MAX
static int	DIG_PER_DEC1
static int	DIG_PER_INT32
static int[]	dig2bytes
static String	ISO_8859_1
protected int	limit
static long	NULL_LENGTH
protected int	origin
protected int	position
static int[]	powers10
static int	SIZE_OF_INT32

构造器概要

构造器

限定符	构造器和说明
protected	LogBuffer()
	LogBuffer(byte[] buffer, int origin, int limit)

方法概要

限定符和类型	方法和说明
int	capacity() Returns this buffer's capacity.
LogBuffer	consume(int len) Consume this buffer, moving origin and position.
LogBuffer	duplicate() Return next n bytes in this buffer.
LogBuffer	duplicate(int len) Return next n bytes in this buffer.
LogBuffer	duplicate(int pos, int len) Return n bytes in this buffer.
void	fillBitmap(BitSet bitmap, int len)
void	fillBitmap(BitSet bitmap, int pos, int len)
void	fillBytes(byte[] dest, int destPos, int len) Fill next n bytes in this buffer.
void	fillBytes(int pos, byte[] dest, int destPos, int len)
void	fillOutput(OutputStream out, int len)
void	fillOutput(OutputStream out, int pos, int len)
LogBuffer	forward(int len) Forwards this buffer's position.
int	getBeInt16()
int	getBeInt16(int pos)
int	getBeInt24()
int	getBeInt24(int pos)
int	getBeInt32()
int	getBeInt32(int pos)
long	getBeLong48()
long	getBeLong48(int pos)
long	getBeLong64()
long	getBeLong64(int pos)
int	getBeUint16()
int	getBeUint16(int pos)
int	getBeUint24()
int	getBeUint24(int pos)
long	getBeUint32()
long	getBeUint32(int pos)
long	getBeUlong40()
long	getBeUlong40(int pos)
long	getBeUlong48()
long	getBeUlong48(int pos)
long	getBeUlong56()
long	getBeUlong56(int pos)
BigInteger	getBeUlong64()
BigInteger	getBeUlong64(int pos)
BitSet	getBitmap(int len)
BitSet	getBitmap(int pos, int len)
byte[]	getData() Return all remaining data from buffer.
byte[]	getData(int len) Return next n-byte data from buffer.
byte[]	getData(int pos, int len) Return n-byte data from buffer.
BigDecimal	getDecimal(int precision, int scale)
BigDecimal	getDecimal(int pos, int precision, int scale)
double	getDouble64()
double	getDouble64(int pos)
String	getFixString(int len)
String	getFixString(int pos, int len)
String	getFixString(int pos, int len, String charsetName)
String	getFixString(int len, String charsetName)
float	getFloat32()
float	getFloat32(int pos)
String	getFullString(int pos, int len, String charsetName)
String	getFullString(int len, String charsetName)
int	getInt16()
int	getInt16(int pos)
int	getInt24()
int	getInt24(int pos)
int	getInt32()
int	getInt32(int pos)
int	getInt8() Return next 8-bit signed int from buffer.
int	getInt8(int pos) Return 8-bit signed int from buffer.
long	getLong48()
long	getLong48(int pos)
long	getLong64()
long	getLong64(int pos)
long	getPackedLong()
long	getPackedLong(int pos)
String	getString() Return next dynamic length string from buffer.
String	getString(int pos) Return dynamic length string from buffer.
String	getString(int pos, String charsetName) Return dynamic length string from buffer.
String	getString(String charsetName) Return next dynamic length string from buffer.
int	getUint16()
int	getUint16(int pos)
int	getUint24()
int	getUint24(int pos)
long	getUint32()
long	getUint32(int pos)
int	getUint8() Return next 8-bit unsigned int from buffer.
int	getUint8(int pos) Return 8-bit unsigned int from buffer.
long	getUlong40()
long	getUlong40(int pos)
long	getUlong48()
long	getUlong48(int pos)
long	getUlong56()
long	getUlong56(int pos)
BigInteger	getUlong64()
BigInteger	getUlong64(int pos)
boolean	hasRemaining() Tells whether there are any elements between the current position and the limit.
String	hexdump(int pos) Return full hexdump from position.
String	hexdump(int pos, int len) Return hexdump from position, for len bytes.
int	limit() Returns this buffer's limit.
LogBuffer	limit(int newLimit) Sets this buffer's limit.
int	position() Returns this buffer's position.
LogBuffer	position(int newPosition) Sets this buffer's position.
int	remaining() Returns the number of elements between the current position and the limit.
LogBuffer	rewind() Rewinds this buffer.

从类继承的方法 java.lang.Object

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

字段详细资料

buffer

protected byte[] buffer

origin

protected int origin

limit

protected int limit

position

protected int position

BIGINT_MAX_VALUE

public static final BigInteger BIGINT_MAX_VALUE

NULL_LENGTH

public static final long NULL_LENGTH

另请参阅:

常量字段值

ISO_8859_1

public static final String ISO_8859_1

另请参阅:

常量字段值

DIG_PER_DEC1

public static final int DIG_PER_DEC1

另请参阅:

常量字段值

DIG_BASE

public static final int DIG_BASE

另请参阅:

常量字段值

DIG_MAX

public static final int DIG_MAX

另请参阅:

常量字段值

dig2bytes

public static final int[] dig2bytes

powers10

public static final int[] powers10

DIG_PER_INT32

public static final int DIG_PER_INT32

另请参阅:

常量字段值

SIZE_OF_INT32

public static final int SIZE_OF_INT32

另请参阅:

常量字段值

构造器详细资料

LogBuffer

protected LogBuffer()

LogBuffer

public LogBuffer(byte[] buffer,
                 int origin,
                 int limit)

方法详细资料

duplicate

public final LogBuffer duplicate(int pos,
                                 int len)

Return n bytes in this buffer.

duplicate

public final LogBuffer duplicate(int len)

Return next n bytes in this buffer.

duplicate

public final LogBuffer duplicate()

Return next n bytes in this buffer.

capacity

public final int capacity()

Returns this buffer's capacity.

返回:

The capacity of this buffer

position

public final int position()

Returns this buffer's position.

返回:

The position of this buffer

position

public final LogBuffer position(int newPosition)

Sets this buffer's position. If the mark is defined and larger than the new position then it is discarded.

参数:

newPosition - The new position value; must be non-negative and no larger than the current limit

返回:

This buffer

抛出:

IllegalArgumentException - If the preconditions on newPosition do not hold

forward

public final LogBuffer forward(int len)

Forwards this buffer's position.

参数:

len - The forward distance

返回:

This buffer

consume

public final LogBuffer consume(int len)

Consume this buffer, moving origin and position.

参数:

len - The consume distance

返回:

This buffer

rewind

public final LogBuffer rewind()

Rewinds this buffer. The position is set to zero.

返回:

This buffer

limit

public final int limit()

Returns this buffer's limit.

返回:

The limit of this buffer

limit

public final LogBuffer limit(int newLimit)

Sets this buffer's limit. If the position is larger than the new limit then it is set to the new limit. If the mark is defined and larger than the new limit then it is discarded.

参数:

newLimit - The new limit value; must be non-negative and no larger than this buffer's capacity

返回:

This buffer

抛出:

IllegalArgumentException - If the preconditions on newLimit do not hold

remaining

public final int remaining()

Returns the number of elements between the current position and the limit.

返回:

The number of elements remaining in this buffer

hasRemaining

public final boolean hasRemaining()

Tells whether there are any elements between the current position and the limit.

返回:

true if, and only if, there is at least one element remaining in this buffer

getInt8

public final int getInt8(int pos)

Return 8-bit signed int from buffer.

getInt8

public final int getInt8()

Return next 8-bit signed int from buffer.

getUint8

public final int getUint8(int pos)

Return 8-bit unsigned int from buffer.

getUint8

public final int getUint8()

Return next 8-bit unsigned int from buffer.

getInt16

public final int getInt16(int pos)

getInt16

public final int getInt16()

getUint16

public final int getUint16(int pos)

getUint16

public final int getUint16()

getBeInt16

public final int getBeInt16(int pos)

getBeInt16

public final int getBeInt16()

getBeUint16

public final int getBeUint16(int pos)

getBeUint16

public final int getBeUint16()

getInt24

public final int getInt24(int pos)

getInt24

public final int getInt24()

getBeInt24

public final int getBeInt24(int pos)

getBeInt24

public final int getBeInt24()

getUint24

public final int getUint24(int pos)

getUint24

public final int getUint24()

getBeUint24

public final int getBeUint24(int pos)

getBeUint24

public final int getBeUint24()

getInt32

public final int getInt32(int pos)

getBeInt32

public final int getBeInt32(int pos)

getInt32

public final int getInt32()

getBeInt32

public final int getBeInt32()

getUint32

public final long getUint32(int pos)

getBeUint32

public final long getBeUint32(int pos)

getUint32

public final long getUint32()

getBeUint32

public final long getBeUint32()

getUlong40

public final long getUlong40(int pos)

getUlong40

public final long getUlong40()

getBeUlong40

public final long getBeUlong40(int pos)

getBeUlong40

public final long getBeUlong40()

getLong48

public final long getLong48(int pos)

getBeLong48

public final long getBeLong48(int pos)

getLong48

public final long getLong48()

getBeLong48

public final long getBeLong48()

getUlong48

public final long getUlong48(int pos)

getBeUlong48

public final long getBeUlong48(int pos)

getUlong48

public final long getUlong48()

getBeUlong48

public final long getBeUlong48()

getUlong56

public final long getUlong56(int pos)

getUlong56

public final long getUlong56()

getBeUlong56

public final long getBeUlong56(int pos)

getBeUlong56

public final long getBeUlong56()

getLong64

public final long getLong64(int pos)

getBeLong64

public final long getBeLong64(int pos)

getLong64

public final long getLong64()

getBeLong64

public final long getBeLong64()

getUlong64

public final BigInteger getUlong64(int pos)

getBeUlong64

public final BigInteger getBeUlong64(int pos)

getUlong64

public final BigInteger getUlong64()

getBeUlong64

public final BigInteger getBeUlong64()

getFloat32

public final float getFloat32(int pos)

getFloat32

public final float getFloat32()

getDouble64

public final double getDouble64(int pos)

getDouble64

public final double getDouble64()

getPackedLong

public final long getPackedLong(int pos)

getPackedLong

public final long getPackedLong()

getFixString

public final String getFixString(int pos,
                                 int len)

getFixString

public final String getFixString(int len)

getFixString

public final String getFixString(int pos,
                                 int len,
                                 String charsetName)

getFixString

public final String getFixString(int len,
                                 String charsetName)

getFullString

public final String getFullString(int pos,
                                  int len,
                                  String charsetName)

getFullString

public final String getFullString(int len,
                                  String charsetName)

getString

public final String getString(int pos)

Return dynamic length string from buffer.

getString

public final String getString()

Return next dynamic length string from buffer.

getString

public final String getString(int pos,
                              String charsetName)

Return dynamic length string from buffer.

getString

public final String getString(String charsetName)

Return next dynamic length string from buffer.

getDecimal

public final BigDecimal getDecimal(int pos,
                                   int precision,
                                   int scale)

getDecimal

public final BigDecimal getDecimal(int precision,
                                   int scale)

fillBitmap

public final void fillBitmap(BitSet bitmap,
                             int pos,
                             int len)

fillBitmap

public final void fillBitmap(BitSet bitmap,
                             int len)

getBitmap

public final BitSet getBitmap(int pos,
                              int len)

getBitmap

public final BitSet getBitmap(int len)

fillOutput

public final void fillOutput(OutputStream out,
                             int pos,
                             int len)
                      throws IOException

抛出:

IOException

fillOutput

public final void fillOutput(OutputStream out,
                             int len)
                      throws IOException

抛出:

IOException

fillBytes

public final void fillBytes(int pos,
                            byte[] dest,
                            int destPos,
                            int len)

fillBytes

public final void fillBytes(byte[] dest,
                            int destPos,
                            int len)

Fill next n bytes in this buffer.

getData

public final byte[] getData(int pos,
                            int len)

Return n-byte data from buffer.

getData

public final byte[] getData(int len)

Return next n-byte data from buffer.

getData

public final byte[] getData()

Return all remaining data from buffer.

hexdump

public final String hexdump(int pos)

Return full hexdump from position.

hexdump

public final String hexdump(int pos,
                            int len)

Return hexdump from position, for len bytes.