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	refresh(entity, lockMode) > will be thrown if the database locking failure causes transaction-level rollback the - if there is no transaction and if invoked on a container-managed EntityManager instance with PersistenceContextType.TRANSACTION
	getDataStoreConnection() class="description"> If this method is called while a datastore transaction is active, the object returned will be enlisted in the current transaction. If called in an optimistic transaction or outside an active transaction, the object returned will not be enlisted in any transaction.
	Constants.TX_REPEATABLE_READ ">javax.jdo.ConstantsString TX_REPEATABLE_READ Transaction isolation level representing the requirement to read the same data in the same transaction. Transaction/getIsolationLevel" title="Method of javax.jdo.Transaction">
	Constants.TX_SERIALIZABLE ">javax.jdo.ConstantsString TX_SERIALIZABLE Transaction isolation level representing the requirement to serialize transactions. Transaction/getIsolationLevel" title="Method of javax.jdo.Transaction">Transaction.getIsolationLevel()
	getObjectId(pc) is being changed in 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 ... > processing for successful transactions. Within a transaction, the ObjectId returned
	Constants.TX_READ_UNCOMMITTED ">javax.jdo.ConstantsString TX_READ_UNCOMMITTED Transaction isolation ... /Transaction/getIsolationLevel" title="Method of javax.jdo.Transaction">Transaction.getIsolationLevel()
	Constants.TX_SNAPSHOT ">javax.jdo.ConstantsString TX_SNAPSHOT Transaction isolation level ... /Transaction/getIsolationLevel" title="Method of javax.jdo.Transaction">Transaction.getIsolationLevel()
	Constants.TX_READ_COMMITTED ">javax.jdo.ConstantsString TX_READ_COMMITTED Transaction isolation ... /Transaction/getIsolationLevel" title="Method of javax.jdo.Transaction">Transaction.getIsolationLevel()
	jdoGetObjectId() store, then the ObjectId returned is only valid within the current transaction. If the JDO identity is being changed in the transaction, this method returns the object id as of the beginning of the current transaction. Returns
	jdoGetTransactionalObjectId() the current transaction. If the JDO identity is being changed in the transaction, this method returns the current object id as modified in the current transaction. transaction.