org.eclipse.persistence.internal.jpa.transaction

Class JTATransactionWrapper

java.lang.Object

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

org.eclipse.persistence.internal.jpa.transaction.JTATransactionWrapper

All Implemented Interfaces:

TransactionWrapper

public class JTATransactionWrapper
extends TransactionWrapperImpl
implements TransactionWrapper

INTERNAL: JTA transaction wrapper. Allows the EntityManager to transparently use JTA vs local transactions.

Constructor Summary

Constructors

Constructor and Description
JTATransactionWrapper(EntityManagerImpl entityManager)

Method Summary

Modifier and Type	Method and Description
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: Internal clear the underlying data structures that this transaction owns.
javax.persistence.EntityTransaction	getTransaction() An ENtityTransaction cannot be used at the same time as a JTA transaction throw an exception
void	registerUnitOfWorkWithTxn(UnitOfWorkImpl uow)
void	setRollbackOnlyInternal() INTERNAL: Mark the current transaction so that the only possible outcome of the transaction is for the transaction to be rolled back.
boolean	shouldFlushBeforeQuery(UnitOfWorkImpl uow) We should only flush the entity manager before the query if the query is joined to a transaction
void	verifyRegisterUnitOfWorkWithTxn()

Methods inherited from class org.eclipse.persistence.internal.jpa.transaction.TransactionWrapperImpl

getLocalUnitOfWork, setLocalUnitOfWork

Methods inherited from class java.lang.Object

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

Constructor Detail

JTATransactionWrapper

public JTATransactionWrapper(EntityManagerImpl entityManager)

Method Detail

checkForTransaction

public 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.

Specified by:

checkForTransaction in class TransactionWrapperImpl

clear

public void clear()

INTERNAL: Internal clear the underlying data structures that this transaction owns.

Overrides:

clear in class TransactionWrapperImpl

getTransaction

public javax.persistence.EntityTransaction getTransaction()

An ENtityTransaction cannot be used at the same time as a JTA transaction throw an exception

Specified by:

getTransaction in interface TransactionWrapper

setRollbackOnlyInternal

public void setRollbackOnlyInternal()

INTERNAL: 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

Specified by:

setRollbackOnlyInternal in class TransactionWrapperImpl

registerUnitOfWorkWithTxn

public void registerUnitOfWorkWithTxn(UnitOfWorkImpl uow)

Specified by:

registerUnitOfWorkWithTxn in class TransactionWrapperImpl

verifyRegisterUnitOfWorkWithTxn

public void verifyRegisterUnitOfWorkWithTxn()

Specified by:

verifyRegisterUnitOfWorkWithTxn in class TransactionWrapperImpl

shouldFlushBeforeQuery

public boolean shouldFlushBeforeQuery(UnitOfWorkImpl uow)

We should only flush the entity manager before the query if the query is joined to a transaction

Specified by:

shouldFlushBeforeQuery in class TransactionWrapperImpl