org.h2.result

Class RowImpl

java.lang.Object

org.h2.result.RowImpl

All Implemented Interfaces:

Row, SearchRow

public class RowImpl
extends java.lang.Object
implements Row

Default row implementation.

Field Summary

Fields inherited from interface org.h2.result.Row

EMPTY_ARRAY, MEMORY_CALCULATE

Constructor Summary

Constructors

Constructor and Description
RowImpl(Value[] data, int memory)

Method Summary

Modifier and Type	Method and Description
void	commit() This record has been committed.
int	getByteCount(Data dummy) Get the number of bytes required for the data.
int	getColumnCount() Get the column count.
Row	getCopy() Get a copy of the row that is distinct from (not equal to) this row.
long	getKey() Get the unique key of the row.
int	getMemory() Get the estimated memory used for this row, in bytes.
int	getSessionId() Get session id.
Value	getValue(int i) Get the value for the column
Value[]	getValueList() Get values.
int	getVersion() Get the version of the row.
boolean	isDeleted() Check if the row is deleted.
boolean	isEmpty() Check if this is an empty row.
void	setDeleted(boolean deleted) Mark the row as deleted.
void	setKey(long key) Set the unique key of the row.
void	setKeyAndVersion(SearchRow row) Set the position and version to match another row.
void	setSessionId(int sessionId) Set session id.
void	setValue(int i, Value v) Set the value for given column
void	setVersion(int version) Set version.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

RowImpl

public RowImpl(Value[] data,
               int memory)

Method Detail

getCopy

public Row getCopy()

Get a copy of the row that is distinct from (not equal to) this row. This is used for FOR UPDATE to allow pseudo-updating a row.

Specified by:

getCopy in interface Row

Returns:

a new row with the same data

setKeyAndVersion

public void setKeyAndVersion(SearchRow row)

Description copied from interface: SearchRow

Set the position and version to match another row.

Specified by:

setKeyAndVersion in interface SearchRow

Parameters:

row - the other row.

getVersion

public int getVersion()

Description copied from interface: SearchRow

Get the version of the row.

Specified by:

getVersion in interface SearchRow

Returns:

the version

setVersion

public void setVersion(int version)

Description copied from interface: Row

Set version.

Specified by:

setVersion in interface Row

Parameters:

version - row version

getKey

public long getKey()

Description copied from interface: SearchRow

Get the unique key of the row.

Specified by:

getKey in interface SearchRow

Returns:

the key

setKey

public void setKey(long key)

Description copied from interface: SearchRow

Set the unique key of the row.

Specified by:

setKey in interface SearchRow

Parameters:

key - the key

getValue

public Value getValue(int i)

Description copied from interface: SearchRow

Get the value for the column

Specified by:

getValue in interface SearchRow

Parameters:

i - the column number (starting with 0)

Returns:

the value

getByteCount

public int getByteCount(Data dummy)

Get the number of bytes required for the data.

Specified by:

getByteCount in interface Row

Parameters:

dummy - the template buffer

Returns:

the number of bytes

setValue

public void setValue(int i,
                     Value v)

Description copied from interface: SearchRow

Set the value for given column

Specified by:

setValue in interface SearchRow

Parameters:

i - the column number (starting with 0)

v - the new value

isEmpty

public boolean isEmpty()

Description copied from interface: Row

Check if this is an empty row.

Specified by:

isEmpty in interface Row

Returns:

true if the row is empty

getColumnCount

public int getColumnCount()

Description copied from interface: SearchRow

Get the column count.

Specified by:

getColumnCount in interface SearchRow

Returns:

the column count

getMemory

public int getMemory()

Description copied from interface: SearchRow

Get the estimated memory used for this row, in bytes.

Specified by:

getMemory in interface SearchRow

Returns:

the memory

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

setDeleted

public void setDeleted(boolean deleted)

Description copied from interface: Row

Mark the row as deleted.

Specified by:

setDeleted in interface Row

Parameters:

deleted - deleted flag

setSessionId

public void setSessionId(int sessionId)

Description copied from interface: Row

Set session id.

Specified by:

setSessionId in interface Row

Parameters:

sessionId - the session id

getSessionId

public int getSessionId()

Description copied from interface: Row

Get session id.

Specified by:

getSessionId in interface Row

Returns:

the session id

commit

public void commit()

This record has been committed. The session id is reset.

Specified by:

commit in interface Row

isDeleted

public boolean isDeleted()

Description copied from interface: Row

Check if the row is deleted.

Specified by:

isDeleted in interface Row

Returns:

true if the row is deleted

getValueList

public Value[] getValueList()

Description copied from interface: Row

Get values.

Specified by:

getValueList in interface Row

Returns:

values