What is transaction manager used for?

A transaction manager is a part of an application that controls the coordination of transactions over one or more resources. The transaction manager is responsible for creating transaction objects and managing their durability and atomicity.

What is UserTransaction in Java?

A UserTransaction is the interface used by client applications to manage transactions. Typically, a transactional application server will publish a UserTransaction through JNDI, and clients will get a reference to the UserTransaction using a lookup on the JNDI Context .

What is JPA transaction manager?

This transaction manager is appropriate for applications that use a single JPA EntityManagerFactory for transactional data access. This transaction manager also supports direct DataSource access within a transaction (i.e. plain JDBC code working with the same DataSource).

What is hibernate Jndi?

ConnectionProvider. It is a factory of JDBC connections and abstracts the application from Driver Manager or DataSource. It is an optional parameter in Hibernate framework. TransactionFactory. It is a factory of Transaction and is again an optional parameter in Hibernate framework.

Which of the following Java methods of javax transaction Usertransaction interface can start a JDBC transaction?

javax.transaction Interface UserTransaction

Method Summary
void	begin() Starts a new transaction, and associate it with the calling thread.
int	getStatus() Get the status of the transaction associated with the calling thread.
void	rollback() Rolls back the transaction associated with the calling thread.

What is transaction DBMS?

A transaction is a single logical unit of work which accesses and possibly modifies the contents of a database. Transactions access data using read and write operations. In order to maintain consistency in a database, before and after the transaction, certain properties are followed. These are called ACID properties.

What does @transactional annotation do?

5.5. The @Transactional annotation is the metadata that specifies the semantics of the transactions on a method. We have two ways to rollback a transaction: declarative and programmatic. The default rollback behavior in the declarative approach will rollback on runtime exceptions.

What is the use of UserTransaction?

The UserTransaction interface defines the methods that allow an application to explicitly manage transaction boundaries. Create a new transaction and associate it with the current thread. Complete the transaction associated with the current thread. Obtain the status of the transaction associated with the current thread.

What is FactoryTalk transaction manager used for?

This helps you establish an end-to-end link, giving you reliability to support enterprise-wide integration. In many cases, FactoryTalk Transaction Manager is used in data logging situations where production data from the control system needs to be saved in a database.

How do I associate a transaction to a thread?

Create a new transaction and associate it with the current thread. Complete the transaction associated with the current thread. Obtain the status of the transaction associated with the current thread. Roll back the transaction associated with the current thread.