Java Doc for TransactionWrapperImpl.java in  » Database-ORM » toplink » oracle » toplink » essentials » internal » ejb » cmp3 » transaction » base » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » toplink » oracle.toplink.essentials.internal.ejb.cmp3.transaction.base   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    oracle.toplink.essentials.internal.ejb.cmp3.transaction.base.TransactionWrapperImpl All known Subclasses:   oracle.toplink.essentials.internal.ejb.cmp3.transaction.base.JTATransactionWrapper,  oracle.toplink.essentials.internal.ejb.cmp3.transaction.base.EntityTransactionWrapper, TransactionWrapperImpl abstract public class TransactionWrapperImpl (Code) Field Summary protected  EntityManagerImpl entityManager      protected  RepeatableWriteUnitOfWork localUOW      protected  Object txnKey      Constructor Summary public   TransactionWrapperImpl(EntityManagerImpl entityManager)      Method Summary abstract public  Object checkForTransaction(boolean validateExistence)      INTERNAL: This method will be used to check for a transaction and throws exception if none exists. public  void clear()      public  UnitOfWorkImpl getLocalUnitOfWork()      abstract public  RepeatableWriteUnitOfWork getTransactionalUnitOfWork(Object transaction)      INTERNAL: THis method is used to get the active UnitOfWork. abstract public  void registerUnitOfWorkWithTxn(UnitOfWorkImpl uow)      public  void setLocalUnitOfWork(RepeatableWriteUnitOfWork uow)      abstract public  void setRollbackOnlyInternal()      Mark the current transaction so that the only possible outcome of the transaction is for the transaction to be rolled back. abstract public  boolean shouldFlushBeforeQuery(UnitOfWorkImpl uow)      This method will be called when a query is executed. Field Detail entityManager protected EntityManagerImpl entityManager(Code) localUOW protected RepeatableWriteUnitOfWork localUOW(Code) txnKey protected Object txnKey(Code) Constructor Detail TransactionWrapperImpl public TransactionWrapperImpl(EntityManagerImpl entityManager)(Code) Method Detail checkForTransaction abstract public Object checkForTransaction(boolean validateExistence)(Code) INTERNAL: This method will be used to check for a transaction and throws exception if none exists. If this methiod returns without exception then a transaction exists. This method must be called before accessing the localUOW. clear public void clear()(Code) INTERNAL: Clears the transactional UnitOfWork getLocalUnitOfWork public UnitOfWorkImpl getLocalUnitOfWork()(Code) getTransactionalUnitOfWork abstract public RepeatableWriteUnitOfWork getTransactionalUnitOfWork(Object transaction)(Code) INTERNAL: THis method is used to get the active UnitOfWork. It is special in that it will return the required RepeatableWriteUnitOfWork required by the EntityManager. Once RepeatableWrite is merged into existing UnitOfWork this code can go away. Parameters:   transaction - registerUnitOfWorkWithTxn abstract public void registerUnitOfWorkWithTxn(UnitOfWorkImpl uow)(Code) setLocalUnitOfWork public void setLocalUnitOfWork(RepeatableWriteUnitOfWork uow)(Code) setRollbackOnlyInternal abstract public void setRollbackOnlyInternal()(Code) 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 shouldFlushBeforeQuery abstract public boolean shouldFlushBeforeQuery(UnitOfWorkImpl uow)(Code) This method will be called when a query is executed. If changes in the entity manager should be flushed this method should return true Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)