org.h2.result

Class Row

java.lang.Object

org.h2.result.Row

All Implemented Interfaces:

SearchRow

Direct Known Subclasses:

RowImpl

public abstract class Row
extends java.lang.Object
implements SearchRow

Represents a row in a table.

Field Summary

Fields

Modifier and Type	Field and Description
static Row[]	EMPTY_ARRAY
static int	MEMORY_CALCULATE

Constructor Summary

Constructors

Constructor and Description
Row()

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	commit() This record has been committed.
abstract int	getByteCount(Data dummy) Get the number of bytes required for the data.
abstract Row	getCopy() Get a copy of the row that is distinct from (not equal to) this row.
abstract int	getSessionId() Get session id.
abstract Value[]	getValueList() Get values.
abstract boolean	isDeleted() Check if the row is deleted.
abstract boolean	isEmpty() Check if this is an empty row.
abstract void	setDeleted(boolean deleted) Mark the row as deleted.
abstract void	setSessionId(int sessionId) Set session id.
abstract void	setVersion(int version) Set version.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.h2.result.SearchRow

getColumnCount, getKey, getMemory, getValue, getVersion, setKey, setKeyAndVersion, setValue

Field Detail

MEMORY_CALCULATE

public static final int MEMORY_CALCULATE

See Also:

Constant Field Values

EMPTY_ARRAY

public static final Row[] EMPTY_ARRAY

Constructor Detail

Row

public Row()

Method Detail

getCopy

public abstract 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.

Returns:

a new row with the same data

setVersion

public abstract void setVersion(int version)

Set version.

Parameters:

version - row version

getByteCount

public abstract int getByteCount(Data dummy)

Get the number of bytes required for the data.

Parameters:

dummy - the template buffer

Returns:

the number of bytes

isEmpty

public abstract boolean isEmpty()

Check if this is an empty row.

Returns:

true if the row is empty

setDeleted

public abstract void setDeleted(boolean deleted)

Mark the row as deleted.

Parameters:

deleted - deleted flag

setSessionId

public abstract void setSessionId(int sessionId)

Set session id.

Parameters:

sessionId - the session id

getSessionId

public abstract int getSessionId()

Get session id.

Returns:

the session id

commit

public abstract void commit()

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

isDeleted

public abstract boolean isDeleted()

Check if the row is deleted.

Returns:

true if the row is deleted

getValueList

public abstract Value[] getValueList()

Get values.

Returns:

values