Package com.db4o.internal

Class Transaction

java.lang.Object

com.db4o.internal.Transaction

Direct Known Subclasses:

ClientTransaction, LocalTransaction

public abstract class Transaction
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
protected Transaction	_systemTransaction

Constructor Summary

Constructors

Constructor	Description
Transaction(ObjectContainerBase container, Transaction systemTransaction, ReferenceSystem referenceSystem)

Method Summary

Modifier and Type	Method	Description
void	addNewReference(ObjectReference ref)
void	addTransactionListener(TransactionListener listener)
void	checkSynchronization()
protected abstract void	clear()
protected void	clearAll()
void	close(boolean rollbackOnClose)
abstract void	commit()
void	commitReferenceSystem()
protected void	commitTransactionListeners()
ObjectContainerBase	container()
Context	context()
boolean	delete(ObjectReference ref, int id, int cascade)
protected void	discardReferenceSystem()
void	dontDelete(int a_id)
abstract long	generateTransactionTimestamp(long forcedTimeStamp)
<T> ByRef<T>	get(TransactionLocal<T> local)	Retrieves the value of a transaction local variables.
abstract TransactionalIdSystem	idSystem()
protected boolean	isSystemTransaction()
ObjectContainer	objectContainer()
java.lang.Object	objectForIdFromCache(int id)
Transaction	parentTransaction()
void	postCommit()
void	postOpen()
abstract void	processDeletes()
ObjectReference	referenceForId(int id)
ObjectReference	referenceForObject(java.lang.Object obj)
ReferenceSystem	referenceSystem()
Reflector	reflector()
void	removeObjectFromReferenceSystem(java.lang.Object obj)
void	removeReference(ObjectReference ref)
abstract void	rollback()
void	rollbackReferenceSystem()
protected void	rollBackTransactionListeners()
void	setOutSideRepresentation(ObjectContainer objectContainer)
Transaction	systemTransaction()
java.lang.String	toString()
protected void	traverseDelete(Visitor4 deleteVisitor)
abstract void	useDefaultTransactionTimestamp()
abstract long	versionForId(int id)
java.lang.Object	wrap(java.lang.Object value)
abstract void	writeUpdateAdjustIndexes(int id, ClassMetadata clazz, ArrayType typeInfo)

Methods inherited from class java.lang.Object

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

Field Detail

_systemTransaction

protected final Transaction _systemTransaction

Constructor Detail

Transaction

public Transaction(ObjectContainerBase container,
                   Transaction systemTransaction,
                   ReferenceSystem referenceSystem)

Method Detail

get

public <T> ByRef<T> get(TransactionLocal<T> local)

Retrieves the value of a transaction local variables. If this is the first time the variable is accessed TransactionLocal.initialValueFor(Transaction) will provide the initial value.

checkSynchronization

public final void checkSynchronization()

addTransactionListener

public void addTransactionListener(TransactionListener listener)

clearAll

protected final void clearAll()

clear

protected abstract void clear()

close

public void close(boolean rollbackOnClose)

discardReferenceSystem

protected void discardReferenceSystem()

commit

public abstract void commit()

commitTransactionListeners

protected void commitTransactionListeners()

isSystemTransaction

protected boolean isSystemTransaction()

delete

public boolean delete(ObjectReference ref,
                      int id,
                      int cascade)

dontDelete

public void dontDelete(int a_id)

processDeletes

public abstract void processDeletes()

referenceSystem

public ReferenceSystem referenceSystem()

reflector

public final Reflector reflector()

rollback

public abstract void rollback()

rollBackTransactionListeners

protected void rollBackTransactionListeners()

systemTransaction

public Transaction systemTransaction()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

writeUpdateAdjustIndexes

public abstract void writeUpdateAdjustIndexes(int id,
                                              ClassMetadata clazz,
                                              ArrayType typeInfo)

container

public final ObjectContainerBase container()

parentTransaction

public Transaction parentTransaction()

rollbackReferenceSystem

public void rollbackReferenceSystem()

postCommit

public void postCommit()

commitReferenceSystem

public void commitReferenceSystem()

addNewReference

public void addNewReference(ObjectReference ref)

objectForIdFromCache

public final java.lang.Object objectForIdFromCache(int id)

referenceForId

public final ObjectReference referenceForId(int id)

referenceForObject

public final ObjectReference referenceForObject(java.lang.Object obj)

removeReference

public final void removeReference(ObjectReference ref)

removeObjectFromReferenceSystem

public final void removeObjectFromReferenceSystem(java.lang.Object obj)

setOutSideRepresentation

public void setOutSideRepresentation(ObjectContainer objectContainer)

objectContainer

public ObjectContainer objectContainer()

context

public Context context()

traverseDelete

protected void traverseDelete(Visitor4 deleteVisitor)

wrap

public java.lang.Object wrap(java.lang.Object value)

idSystem

public abstract TransactionalIdSystem idSystem()

versionForId

public abstract long versionForId(int id)

generateTransactionTimestamp

public abstract long generateTransactionTimestamp(long forcedTimeStamp)

useDefaultTransactionTimestamp

public abstract void useDefaultTransactionTimestamp()

postOpen

public void postOpen()