org.teiid.common.buffer

Class LobManager

java.lang.Object

org.teiid.common.buffer.LobManager

public class LobManager
extends Object

Tracks lob references so they are not lost during serialization. TODO: for temp tables we may need to have a copy by value management strategy

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	LobManager.ReferenceMode

Constructor Summary

Constructors

Constructor and Description
LobManager(int[] lobIndexes, FileStore lobStore)

Method Summary

Modifier and Type	Method and Description
LobManager	clone()
void	detachLob(Streamable<?> lob, FileStore store, byte[] bytes)
int	getLobCount()
static int[]	getLobIndexes(List<? extends Expression> expressions)
Streamable<?>	getLobReference(String id)
void	persist()
static void	persistLob(Streamable<?> lob, FileStore store, byte[] bytes, boolean inlineLobs, int maxMemoryBytes)
void	remove()
void	setInlineLobs(boolean trackMemoryLobs)
void	setMaxMemoryBytes(int maxMemoryBytes)
void	updateReferences(List<?> tuple, LobManager.ReferenceMode mode)

Methods inherited from class java.lang.Object

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

Constructor Detail

LobManager

public LobManager(int[] lobIndexes,
                  FileStore lobStore)

Method Detail

clone

public LobManager clone()

Overrides:

clone in class Object

setInlineLobs

public void setInlineLobs(boolean trackMemoryLobs)

setMaxMemoryBytes

public void setMaxMemoryBytes(int maxMemoryBytes)

updateReferences

public void updateReferences(List<?> tuple,
                             LobManager.ReferenceMode mode)
                      throws TeiidComponentException

Throws:

TeiidComponentException

getLobReference

public Streamable<?> getLobReference(String id)
                              throws TeiidComponentException

Throws:

TeiidComponentException

getLobIndexes

public static int[] getLobIndexes(List<? extends Expression> expressions)

persist

public void persist()
             throws TeiidComponentException

Throws:

TeiidComponentException

detachLob

public void detachLob(Streamable<?> lob,
                      FileStore store,
                      byte[] bytes)
               throws TeiidComponentException

Throws:

TeiidComponentException

persistLob

public static void persistLob(Streamable<?> lob,
                              FileStore store,
                              byte[] bytes,
                              boolean inlineLobs,
                              int maxMemoryBytes)
                       throws TeiidComponentException

Throws:

TeiidComponentException

getLobCount

public int getLobCount()

remove

public void remove()