Package org.h2.value.lob

Class LobDataDatabase

java.lang.Object

org.h2.value.lob.LobData

org.h2.value.lob.LobDataDatabase

public final class LobDataDatabase
extends LobData

LOB data stored in database.

Field Summary

Fields

Modifier and Type	Field	Description
private DataHandler	handler
private boolean	isRecoveryReference	Fix for recovery tool.
private long	lobId
private int	tableId	If the LOB is managed by the one the LobStorageBackend classes, these are the unique key inside that storage.

Constructor Summary

Constructors

Constructor	Description
LobDataDatabase(DataHandler handler, int tableId, long lobId)

Method Summary

Modifier and Type	Method	Description
DataHandler	getDataHandler()
java.io.InputStream	getInputStream(long precision)	Get stream to read LOB data from
long	getLobId()
int	getTableId()	Get the current table id of this lob.
boolean	isLinkedToTable()	Check if this value is linked to a specific table.
boolean	isRecoveryReference()
void	remove(ValueLob value)	Remove the underlying resource, if any.
void	setRecoveryReference(boolean isRecoveryReference)
java.lang.String	toString()

Methods inherited from class org.h2.value.lob.LobData

getMemory

Methods inherited from class java.lang.Object

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

Field Detail

handler

private DataHandler handler

tableId

private final int tableId

If the LOB is managed by the one the LobStorageBackend classes, these are the unique key inside that storage.

lobId

private final long lobId

isRecoveryReference

private boolean isRecoveryReference

Fix for recovery tool.

Constructor Detail

LobDataDatabase

public LobDataDatabase(DataHandler handler,
                       int tableId,
                       long lobId)

Method Detail

remove

public void remove(ValueLob value)

Description copied from class: LobData

Remove the underlying resource, if any. For values that are kept fully in memory this method has no effect.

Overrides:

remove in class LobData

Parameters:

value - to remove

isLinkedToTable

public boolean isLinkedToTable()

Check if this value is linked to a specific table. For values that are kept fully in memory, this method returns false.

Overrides:

isLinkedToTable in class LobData

Returns:

true if it is

getTableId

public int getTableId()

Get the current table id of this lob.

Returns:

the table id

getLobId

public long getLobId()

getInputStream

public java.io.InputStream getInputStream(long precision)

Description copied from class: LobData

Get stream to read LOB data from

Specified by:

getInputStream in class LobData

Parameters:

precision - octet length of the stream, or -1 if unknown

Returns:

stream to read LOB data from

getDataHandler

public DataHandler getDataHandler()

Overrides:

getDataHandler in class LobData

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

setRecoveryReference

public void setRecoveryReference(boolean isRecoveryReference)

isRecoveryReference

public boolean isRecoveryReference()