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4

javax.persistence.FlushModeType

<FlushModeType> Flush mode setting. When queries are executed within a transaction, if FlushModeType ... . If there is no transaction active, the persistence provider must not flush to the database. Since: JPA 1.0 ... execution. Since: JPA 1.0 FlushModeType COMMIT Flushing to occur at transaction commit. Flushing to occur
3

Unexpected exception (Error 990) com.objectdb.o.InternalException

$AjcClosure27.run(PatternApplicationServiceImpl.java:1) at com.btc.ep.base.transactions.annotations.TransactionAspect.ajc$around$com_btc_ep_base_transactions_annotations_TransactionAspect$1$adc4043cproceed(TransactionAspect.aj:90) at com.btc.ep.base.transactions.annotations.TransactionAspect.ajc
3

find(entityClass, primaryKey, lockMode, properties)

: the PessimisticLockException will be thrown if the database locking failure causes transaction-level ... TransactionRequiredException - if there is no transaction and a lock mode other than NONE is specified ... and the transaction is rolled back LockTimeoutException - if pessimistic locking fails
3

lock(entity, lockMode, properties)

but cannot be locked: the PessimisticLockException will be thrown if the database locking failure causes transaction ... entity TransactionRequiredException - if there is no transaction EntityNotFoundException ... and the transaction is rolled back LockTimeoutException - if pessimistic locking fails
0

javax.jdo.listener.DirtyLifecycleListener

, during an operation that modifies the value of a persistent or transactional field. Invoked ... transactional field. Called after the value is changed. Parameters: event - Since: JDO 2.0 void ... , during an operation that modifies the value of a persistent or transactional field. Invoked
0

getObjectId(pc)

the transaction, by the application modifying one or more of the application key fields, then this method returns the identity as of the beginning of the transaction. The value returned by getObjectId will be different following afterCompletion processing for successful transactions. Within a transaction
0

jdoIsTransactional()

Method javax.jdo.spi.PersistenceCapable boolean jdoIsTransactional() Tests whether this object is transactional. Instances whose state is associated with the current transaction return true. Transient instances return false. Returns: true if this instance is transactional. Since: JDO 1.0
0

refreshAll()

Method javax.jdo.PersistenceManager void refreshAll() Refresh the state of all applicable instances from the data store. If called with an active transaction, all transactional instances will be refreshed. If called outside an active transaction, all nontransactional instances will be refreshed. Since: JDO 1.0 See Also: refresh(Object pc)
0

setTransactionIsolationLevel(level)

Method javax.jdo.PersistenceManagerFactory void setTransactionIsolationLevel( String level ) Set the value for transaction isolation level for this PMF. Transaction isolation levels are defined in ... - the transaction isolation level Since: JDO 2.2 See Also: getTransactionIsolationLevel() Constants.TX_READ
0

isTransactional(pc)

Static Method javax.jdo.JDOHelper boolean isTransactional( Object pc ) Tests whether the parameter instance is transactional. Instances whose state is associated with the current transaction return ... is transactional. Since: JDO 1.0 See Also: PersistenceCapable.jdoIsTransactional()

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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