What is managed transaction?
What is managed transaction?
Container managed transactions are considered the place where the container (JEE Server) controls the boundaries of the transactions, when to begin, when to commit or to rollback.
How do you check the condition of the current transaction in a bean managed transaction?
An enterprise bean with bean-managed transaction demarcation can obtain the status of a transaction by using the getStatus() method of the javax. transaction. UserTransaction interface. An enterprise bean with bean-managed transaction demarcation can rollback a transaction using the rollback() method of the javax.
How do I rollback a container-managed EJB transaction?
There are two ways to roll back a container-managed transaction. First, if a system exception is thrown, the container will automatically roll back the transaction. Second, by invoking the setRollbackOnly method of the EJBContext interface, the bean method instructs the container to roll back the transaction.
What is the valid reason behind a stateful session bean instead of a stateless session bean?
Because they can support multiple clients, stateless session beans can offer better scalability for applications that require large numbers of clients. Typically, an application requires fewer stateless session beans than stateful session beans to support the same number of clients.
How does Spring Boot manage transactions?
Spring Boot Declarative Transaction Management Example
- Open two separate windows for the mysql database.
- In one mysql window create a database named test and in it a table named employee.
- By default the transactions are autocommit for mysql database.
What is declarative transaction management in Spring?
Declarative transaction management approach allows you to manage the transaction with the help of configuration instead of hard coding in your source code. This means that you can separate transaction management from the business code. You only use annotations or XML-based configuration to manage the transactions.
