org.tmatesoft.sqljet.core.internal

Interface ISqlJetMemoryPointer

All Known Implementing Classes:

SqlJetMemoryPointer

public interface ISqlJetMemoryPointer

Author:

TMate Software Ltd., Sergey Scherbina (sergey.scherbina@gmail.com)

Method Summary

Modifier and Type	Method and Description
int	compareTo(ISqlJetMemoryPointer ptr)
void	copyFrom(int dstPos, ISqlJetMemoryPointer src, int srcPos, int length)
void	copyFrom(ISqlJetMemoryPointer src, int length)
void	copyFrom(ISqlJetMemoryPointer src, int srcPos, int length)
void	fill(int count, byte value)
void	fill(int from, int count, byte value)
int	getAbsolute(int pointer)
ISqlJetMemoryBuffer	getBuffer() Get buffer which contains pointer.
byte	getByte() Read byte at current address.
byte	getByte(int pointer) Read byte at pointer.
void	getBytes(byte[] bytes)
void	getBytes(int pointer, byte[] bytes)
void	getBytes(int pointer, byte[] bytes, int count)
void	getBytes(int pointer, byte[] bytes, int to, int count)
int	getByteUnsigned() Read unsigned byte at current address.
int	getByteUnsigned(int pointer) Read unsigned byte at pointer.
ISqlJetMemoryPointer	getIdentic()
int	getInt() Read int at current address.
int	getInt(int pointer) Read int at pointer.
long	getIntUnsigned() Read unsigned int at current address.
long	getIntUnsigned(int pointer) Read unsigned int at pointer.
int	getLimit()
long	getLong() Read long at current address.
long	getLong(int pointer) Read long at pointer.
ISqlJetMemoryPointer	getMoved(int count)
int	getPointer() Get pointer address (offset in buffer).
short	getShort() Read short at current address.
short	getShort(int pointer) Read short at pointer.
int	getShortUnsigned() Read unsigned short at current address.
int	getShortUnsigned(int pointer) Read unsigned short at pointer.
void	limit(int n)
void	movePointer(int count) Move pointer.
void	putByte(byte value) Write byte at current address.
void	putByte(int pointer, byte value) Write byte at pointer.
void	putBytes(byte[] bytes)
void	putBytes(int pointer, byte[] bytes)
void	putBytes(int pointer, byte[] bytes, int count)
void	putBytes(int pointer, byte[] bytes, int to, int count)
void	putByteUnsigned(int value) Write unsigned byte at current address.
void	putByteUnsigned(int pointer, int value) Write unsigned byte at pointer.
void	putInt(int value) Write int at current address.
void	putInt(int pointer, int value) Write int at pointer.
void	putIntUnsigned(int pointer, long value) Write unsigned int at pointer.
void	putIntUnsigned(long value) Write unsigned int at current address.
void	putLong(int pointer, long value) Write long at pointer.
void	putLong(long value) Write long at current address.
void	putShort(int pointer, short value) Write short at pointer.
void	putShort(short value) Write short at current address.
void	putShortUnsigned(int value) Write unsigned short at current address.
void	putShortUnsigned(int pointer, int value) Write unsigned short at pointer.
int	readFromFile(int pointer, java.io.RandomAccessFile file, long position, int count) Read from file into memory chunk at pointer.
int	readFromFile(java.io.RandomAccessFile file, long position, int count) Read from file at current address.
int	remaining()
void	setPointer(int pointer) Set pointer address (offset in buffer).
int	writeToFile(int pointer, java.io.RandomAccessFile file, long position, int count) Write from memory chunk at pointer to file.
int	writeToFile(java.io.RandomAccessFile file, long position, int count) Write to file at current address.

Method Detail

getBuffer

ISqlJetMemoryBuffer getBuffer()

Get buffer which contains pointer.

Returns:

getPointer

int getPointer()

Get pointer address (offset in buffer).

Returns:

setPointer

void setPointer(int pointer)

Set pointer address (offset in buffer).

Parameters:

pointer -

movePointer

void movePointer(int count)

Move pointer. Add some count to pointer address. Count may be negative.

Parameters:

count - count which added to address. May be negative.

getByte

byte getByte()

Read byte at current address.

Returns:

putByte

void putByte(byte value)

Write byte at current address.

Parameters:

value -

getShort

short getShort()

Read short at current address.

Returns:

putShort

void putShort(short value)

Write short at current address.

Parameters:

value -

getInt

int getInt()

Read int at current address.

Returns:

putInt

void putInt(int value)

Write int at current address.

Parameters:

value -

getLong

long getLong()

Read long at current address.

Returns:

putLong

void putLong(long value)

Write long at current address.

Parameters:

value -

getByteUnsigned

int getByteUnsigned()

Read unsigned byte at current address.

Returns:

putByteUnsigned

void putByteUnsigned(int value)

Write unsigned byte at current address.

Parameters:

value -

getShortUnsigned

int getShortUnsigned()

Read unsigned short at current address.

Returns:

putShortUnsigned

void putShortUnsigned(int value)

Write unsigned short at current address.

Parameters:

value -

getIntUnsigned

long getIntUnsigned()

Read unsigned int at current address.

Returns:

putIntUnsigned

void putIntUnsigned(long value)

Write unsigned int at current address.

Parameters:

value -

readFromFile

int readFromFile(java.io.RandomAccessFile file,
                 long position,
                 int count)
          throws java.io.IOException

Read from file at current address.

Parameters:

file -

position -

count -

Returns:

Throws:

java.io.IOException

writeToFile

int writeToFile(java.io.RandomAccessFile file,
                long position,
                int count)
         throws java.io.IOException

Write to file at current address.

Parameters:

file -

position -

count -

Returns:

Throws:

java.io.IOException

getByte

byte getByte(int pointer)

Read byte at pointer.

Parameters:

pointer -

Returns:

putByte

void putByte(int pointer,
             byte value)

Write byte at pointer.

Parameters:

pointer -

value -

getShort

short getShort(int pointer)

Read short at pointer.

Parameters:

pointer -

Returns:

putShort

void putShort(int pointer,
              short value)

Write short at pointer.

Parameters:

pointer -

value -

getInt

int getInt(int pointer)

Read int at pointer.

Parameters:

pointer -

Returns:

putInt

void putInt(int pointer,
            int value)

Write int at pointer.

Parameters:

pointer -

value -

getLong

long getLong(int pointer)

Read long at pointer.

Parameters:

pointer -

Returns:

putLong

void putLong(int pointer,
             long value)

Write long at pointer.

Parameters:

pointer -

value -

getByteUnsigned

int getByteUnsigned(int pointer)

Read unsigned byte at pointer.

Parameters:

pointer -

Returns:

putByteUnsigned

void putByteUnsigned(int pointer,
                     int value)

Write unsigned byte at pointer.

Parameters:

pointer -

value -

getShortUnsigned

int getShortUnsigned(int pointer)

Read unsigned short at pointer.

Parameters:

pointer -

Returns:

putShortUnsigned

void putShortUnsigned(int pointer,
                      int value)

Write unsigned short at pointer.

Parameters:

pointer -

value -

getIntUnsigned

long getIntUnsigned(int pointer)

Read unsigned int at pointer.

Parameters:

pointer -

Returns:

putIntUnsigned

void putIntUnsigned(int pointer,
                    long value)

Write unsigned int at pointer.

Parameters:

pointer -

value -

readFromFile

int readFromFile(int pointer,
                 java.io.RandomAccessFile file,
                 long position,
                 int count)
          throws java.io.IOException

Read from file into memory chunk at pointer. Method isn't synchronized on file.

Parameters:

pointer -

file -

position -

count -

Returns:

Throws:

java.io.IOException

writeToFile

int writeToFile(int pointer,
                java.io.RandomAccessFile file,
                long position,
                int count)
         throws java.io.IOException

Write from memory chunk at pointer to file. Method isn't synchronized on file.

Parameters:

pointer -

file -

position -

count -

Returns:

Throws:

java.io.IOException

remaining

int remaining()

Returns:

copyFrom

void copyFrom(int dstPos,
              ISqlJetMemoryPointer src,
              int srcPos,
              int length)

copyFrom

void copyFrom(ISqlJetMemoryPointer src,
              int srcPos,
              int length)

copyFrom

void copyFrom(ISqlJetMemoryPointer src,
              int length)

getAbsolute

int getAbsolute(int pointer)

Parameters:

pointer -

Returns:

fill

void fill(int from,
          int count,
          byte value)

Parameters:

from -

count -

value -

fill

void fill(int count,
          byte value)

Parameters:

from -

count -

value -

getBytes

void getBytes(byte[] bytes)

Parameters:

bytes -

getBytes

void getBytes(int pointer,
              byte[] bytes)

Parameters:

bytes -

getBytes

void getBytes(int pointer,
              byte[] bytes,
              int count)

Parameters:

bytes -

getBytes

void getBytes(int pointer,
              byte[] bytes,
              int to,
              int count)

Parameters:

bytes -

putBytes

void putBytes(byte[] bytes)

Parameters:

bytes -

putBytes

void putBytes(int pointer,
              byte[] bytes)

Parameters:

bytes -

putBytes

void putBytes(int pointer,
              byte[] bytes,
              int count)

Parameters:

bytes -

putBytes

void putBytes(int pointer,
              byte[] bytes,
              int to,
              int count)

Parameters:

bytes -

compareTo

int compareTo(ISqlJetMemoryPointer ptr)

Parameters:

raw2 -

Returns:

limit

void limit(int n)

Parameters:

n -

getLimit

int getLimit()

getIdentic

ISqlJetMemoryPointer getIdentic()

getMoved

ISqlJetMemoryPointer getMoved(int count)