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4

getTransactionType()

() Returns the transaction type of the entity managers created by the EntityManagerFactory. The transaction type corresponds to the transaction-type attribute in the persistence.xml file. Returns: transaction type of the entity managers created by the EntityManagerFactory Since: JPA 1.0
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

setRollbackOnly()

Method javax.persistence.EntityTransaction void setRollbackOnly() Mark the current resource transaction so that the only possible outcome of the transaction is for the transaction to be rolled back. Throws: IllegalStateException - if isActive() is false Since: JPA 1.0
3

find(entityClass, primaryKey, lockMode, properties)

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

find(entityClass, primaryKey, lockMode)

failure causes transaction-level rollback the LockTimeoutException will be thrown if the database ... 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
0

Constants.TX_REPEATABLE_READ

Static Field javax.jdo.Constants String TX_REPEATABLE_READ Transaction isolation level representing the requirement to read the same data in the same transaction. Since: JDO 2.2 See Also: PersistenceManagerFactory.getTransactionIsolationLevel() Transaction.getIsolationLevel()
0

Constants.TX_SERIALIZABLE

Static Field javax.jdo.Constants String TX_SERIALIZABLE Transaction isolation level representing the requirement to serialize transactions. Since: JDO 2.2 See Also: PersistenceManagerFactory.getTransactionIsolationLevel() Transaction.getIsolationLevel()
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

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

find(entityClass, primaryKey, lockMode, properties)

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

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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