Module org.eclipse.persistence.jpa

Package org.eclipse.persistence.internal.jpa.transaction

Class EntityTransactionWrapper

java.lang.Object

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

org.eclipse.persistence.internal.jpa.transaction.EntityTransactionWrapper

All Implemented Interfaces:

TransactionWrapper

public class EntityTransactionWrapper
extends TransactionWrapperImpl
implements TransactionWrapper

INTERNAL: JDK 1.5 specific version of EntityTransactionWrapper. Differs from the JDK 1.4 version in that it implements a different version of the TransactionWrapper interface, uses a different EntityManager, and returns a different EntityTransaction version.

See Also:

• EntityTransactionWrapper

Field Summary

Fields

Modifier and Type	Field	Description
protected EntityTransactionImpl	entityTransaction

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

entityManager, localUOW, txnKey

Constructor Summary

Constructors

Constructor	Description
EntityTransactionWrapper(EntityManagerImpl entityManager)

Method Summary

Modifier and Type	Method	Description
Object	checkForTransaction(boolean validateExistence)	INTERNAL: This method will be used to check for a transaction and throws exception if none exists.
EntityManagerImpl	getEntityManager()
EntityTransaction	getTransaction()	Lazy initialize the EntityTransaction.
boolean	isJoinedToTransaction(UnitOfWorkImpl uow)
void	registerIfRequired(UnitOfWorkImpl uow)
void	setRollbackOnlyInternal()	Mark the current transaction so that the only possible outcome of the transaction is for the transaction to be rolled back.
protected void	throwCheckTransactionFailedException()

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

clear, getLocalUnitOfWork, setLocalUnitOfWork

Methods inherited from class java.lang.Object

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

Field Details

entityTransaction

protected EntityTransactionImpl entityTransaction

Constructor Details

EntityTransactionWrapper

public EntityTransactionWrapper(EntityManagerImpl entityManager)

Method Details

checkForTransaction

public 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

getEntityManager

public EntityManagerImpl getEntityManager()

getTransaction

public EntityTransaction getTransaction()

Lazy initialize the EntityTransaction. There can only be one EntityTransaction at a time.

Specified by:

getTransaction in interface TransactionWrapper

isJoinedToTransaction

public boolean isJoinedToTransaction(UnitOfWorkImpl uow)

Specified by:

isJoinedToTransaction in class TransactionWrapperImpl

setRollbackOnlyInternal

public 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

Specified by:

setRollbackOnlyInternal in class TransactionWrapperImpl

throwCheckTransactionFailedException

protected void throwCheckTransactionFailedException()

registerIfRequired

public void registerIfRequired(UnitOfWorkImpl uow)

Specified by:

registerIfRequired in class TransactionWrapperImpl