About Transaction

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JDO Doc
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getObjectId(pc)

is only valid within the current transaction. Parameters: pc - the PersistenceCapable instance. Returns: a copy of the ObjectId of the parameter instance as of the beginning of the transaction. Since: JDO 1.0
JDO Doc
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getObjectId(pc)

the application or the data store, then the ObjectId returned is only valid within the current transaction ... of the beginning of the transaction. Since: JDO 2.0 See Also: PersistenceManager.getObjectId(Object pc
JDO Doc
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getObjectId(pc)

Method javax.jdo.spi.StateManager Object getObjectId(   PersistenceCapable pc ) Return the object representing the JDO identity of the calling instance. If the JDO identity is being changed in the current transaction, this method returns the identity as of the beginning of the transaction
JDO Doc
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getPersistenceManager(pc)

Static Method javax.jdo.JDOHelper PersistenceManager getPersistenceManager(   Object pc ) Return the associated PersistenceManager if there is one. Transactional and persistent instances return the associated PersistenceManager. Transient non-transactional instances and instances of classes
JDO Doc
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getPersistenceManager(pc)

Method javax.jdo.spi.StateInterrogation PersistenceManager getPersistenceManager(   Object pc ) Return the associated PersistenceManager if there is one. Transactional and persistent instances return the associated PersistenceManager. Transient non-transactional instances return null. Instances
JDO Doc
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getPersistenceManagerProxy()

current transaction. In this case, the close method is ignored, as the PersistenceManager is automatically closed when the transaction completes. When used with a PersistenceManagerFactory that uses
JPA Doc
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getRollbackOnly()

Method javax.persistence.EntityTransaction boolean getRollbackOnly() Determine whether the current resource transaction has been marked for rollback. Returns: boolean indicating whether the transaction has been marked for rollback Throws: IllegalStateException - if isActive() is false Since: JPA 1.0
JDO Doc
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getTransactionalObjectId(pc)

is being changed in the current transaction, this method returns the current identity as changed in the transaction. Parameters: pc - the calling PersistenceCapable instance Returns: the object representing the JDO identity of the calling instance Since: JDO 1.0
JDO Doc
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getTransactionIsolationLevel()

Method javax.jdo.PersistenceManagerFactory String getTransactionIsolationLevel() Get the value for transaction isolation level for this PMF. Returns: the transaction isolation level Since: JDO 2.2 See Also: setTransactionIsolationLevel(String)
JPA Doc
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isActive()

Method javax.persistence.EntityTransaction boolean isActive() Indicate whether a resource transaction is in progress. Returns: boolean indicating whether transaction is in progress Throws: PersistenceException - if an unexpected error condition is encountered Since: JPA 1.0