org.eclipse.persistence.internal.jpa.transaction

Class TransactionWrapperImpl

java.lang.Object

org.eclipse.persistence.internal.jpa.transaction.TransactionWrapperImpl

Direct Known Subclasses:

EntityTransactionWrapper, JTATransactionWrapper

public abstract class TransactionWrapperImpl
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
protected EntityManagerImpl	entityManager
protected RepeatableWriteUnitOfWork	localUOW
protected java.lang.Object	txnKey

Constructor Summary

Constructors

Constructor and Description
TransactionWrapperImpl(EntityManagerImpl entityManager)

Method Summary

Modifier and Type	Method and Description
abstract java.lang.Object	checkForTransaction(boolean validateExistence) INTERNAL: This method will be used to check for a transaction and throws exception if none exists.
void	clear() INTERNAL: Clears the transactional UnitOfWork
UnitOfWorkImpl	getLocalUnitOfWork()
abstract boolean	isJoinedToTransaction(UnitOfWorkImpl uow)
abstract void	registerIfRequired(UnitOfWorkImpl uow)
void	setLocalUnitOfWork(RepeatableWriteUnitOfWork uow)
abstract void	setRollbackOnlyInternal() Mark the current transaction so that the only possible outcome of the transaction is for the transaction to be rolled back.

Methods inherited from class java.lang.Object

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

Field Detail

entityManager

protected EntityManagerImpl entityManager

localUOW

protected RepeatableWriteUnitOfWork localUOW

txnKey

protected java.lang.Object txnKey

Constructor Detail

TransactionWrapperImpl

public TransactionWrapperImpl(EntityManagerImpl entityManager)

Method Detail

checkForTransaction

public abstract java.lang.Object checkForTransaction(boolean validateExistence)

INTERNAL: This method will be used to check for a transaction and throws exception if none exists. If this method returns without exception then a transaction exists. This method must be called before accessing the localUOW.

clear

public void clear()

INTERNAL: Clears the transactional UnitOfWork

registerIfRequired

public abstract void registerIfRequired(UnitOfWorkImpl uow)

isJoinedToTransaction

public abstract boolean isJoinedToTransaction(UnitOfWorkImpl uow)

getLocalUnitOfWork

public UnitOfWorkImpl getLocalUnitOfWork()

setLocalUnitOfWork

public void setLocalUnitOfWork(RepeatableWriteUnitOfWork uow)

setRollbackOnlyInternal

public abstract void setRollbackOnlyInternal()

Mark the current transaction so that the only possible outcome of the transaction is for the transaction to be rolled back. This is an internal method and if the txn is not active will do nothing