org.hsqldb.rowio

Class RowOutputBinary

java.lang.Object

java.io.OutputStream

org.hsqldb.lib.HsqlByteArrayOutputStream

org.hsqldb.rowio.RowOutputBinary

All Implemented Interfaces:

java.io.Closeable, java.io.DataOutput, java.io.Flushable, java.lang.AutoCloseable, java.lang.Cloneable, RowOutputInterface

Direct Known Subclasses:

RowOutputBinary180, RowOutputBinaryEncode

public class RowOutputBinary
extends HsqlByteArrayOutputStream

Provides methods for writing the data for a row to a byte array. The new format of data consists of mainly binary values and is not compatible with v.1.6.x databases.

Since:

1.7.0

Field Summary

Fields

Modifier and Type	Field and Description
static int	CACHED_ROW_160
static int	CACHED_ROW_170
static int	INT_STORE_SIZE

Constructor Summary

Constructors

Constructor and Description
RowOutputBinary(byte[] buffer) Constructor used for network transmission of result sets
RowOutputBinary(int initialSize, int scale)

Method Summary

Modifier and Type	Method and Description
RowOutputInterface	duplicate()
void	ensureRoom(int extra)
HsqlByteArrayOutputStream	getOutputStream()
int	getSize(int[] array)
int	getSize(java.lang.Object[] data, int l, Type[] types) Calculate the size of byte array required to store a row.
int	getSize(Row row) Calculate the size of byte array required to store a row.
int	getStorageSize(int size)
void	reset()
void	reset(byte[] buffer)
void	reset(int newSize)
void	writeArray(int[] o)
void	writeByteArray(byte[] b)
void	writeCharArray(char[] c)
void	writeData(int l, Type[] types, java.lang.Object[] data, HashMappedList cols, int[] primaryKeys) This method is called directly to write data for a delete statement.
void	writeData(Row row, Type[] types) This method is called to write data for a table row.
void	writeData(Type t, java.lang.Object o)
void	writeEnd()
void	writeFieldType(Type type)
void	writeIntData(int i, int position)
void	writeNull(Type type)
void	writeSize(int size)
void	writeString(java.lang.String s)
void	writeType(int type)

Methods inherited from class org.hsqldb.lib.HsqlByteArrayOutputStream

close, fill, flush, getBuffer, setPosition, setSize, size, toByteArray, toString, toString, write, write, write, write, write, write, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeChars, writeDouble, writeFloat, writeInt, writeLong, writeNoCheck, writeShort, writeTo, writeUTF

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.hsqldb.rowio.RowOutputInterface

getBuffer, size, writeByte, writeChar, writeInt, writeLong, writeShort

Field Detail

INT_STORE_SIZE

public static final int INT_STORE_SIZE

See Also:

Constant Field Values

CACHED_ROW_160

public static final int CACHED_ROW_160

See Also:

Constant Field Values

CACHED_ROW_170

public static final int CACHED_ROW_170

See Also:

Constant Field Values

Constructor Detail

RowOutputBinary

public RowOutputBinary(int initialSize,
                       int scale)

RowOutputBinary

public RowOutputBinary(byte[] buffer)

Constructor used for network transmission of result sets

Parameters:

buffer - byte[]

Method Detail

writeIntData

public void writeIntData(int i,
                         int position)

Specified by:

writeIntData in interface RowOutputInterface

writeData

public void writeData(Row row,
                      Type[] types)

This method is called to write data for a table row.

Specified by:

writeData in interface RowOutputInterface

writeEnd

public void writeEnd()

Specified by:

writeEnd in interface RowOutputInterface

writeSize

public void writeSize(int size)

Specified by:

writeSize in interface RowOutputInterface

writeType

public void writeType(int type)

Specified by:

writeType in interface RowOutputInterface

writeString

public void writeString(java.lang.String s)

Specified by:

writeString in interface RowOutputInterface

getSize

public int getSize(Row row)

Calculate the size of byte array required to store a row.

Parameters:

row - - a database row

Returns:

size of byte array

Throws:

HsqlException - When data is inconsistent

getStorageSize

public int getStorageSize(int size)

writeFieldType

public void writeFieldType(Type type)

writeNull

public void writeNull(Type type)

writeArray

public void writeArray(int[] o)

writeByteArray

public void writeByteArray(byte[] b)

writeCharArray

public void writeCharArray(char[] c)

getSize

public int getSize(int[] array)

getSize

public int getSize(java.lang.Object[] data,
                   int l,
                   Type[] types)

Calculate the size of byte array required to store a row.

Parameters:

data - - the row data

l - - number of data[] elements to include in calculation

types - - array of java.sql.Types values

Returns:

size of byte array

ensureRoom

public void ensureRoom(int extra)

Overrides:

ensureRoom in class HsqlByteArrayOutputStream

Parameters:

extra - amount of extra space

reset

public void reset()

Specified by:

reset in interface RowOutputInterface

Overrides:

reset in class HsqlByteArrayOutputStream

reset

public void reset(int newSize)

Specified by:

reset in interface RowOutputInterface

Overrides:

reset in class HsqlByteArrayOutputStream

reset

public void reset(byte[] buffer)

Specified by:

reset in interface RowOutputInterface

Overrides:

reset in class HsqlByteArrayOutputStream

duplicate

public RowOutputInterface duplicate()

Specified by:

duplicate in interface RowOutputInterface

writeData

public void writeData(int l,
                      Type[] types,
                      java.lang.Object[] data,
                      HashMappedList cols,
                      int[] primaryKeys)

This method is called directly to write data for a delete statement.

Specified by:

writeData in interface RowOutputInterface

writeData

public void writeData(Type t,
                      java.lang.Object o)

getOutputStream

public HsqlByteArrayOutputStream getOutputStream()

Specified by:

getOutputStream in interface RowOutputInterface