Category : Spring Boot | Sub Category : Spring Boot | By Prasad Bonam Last updated: 2023-07-17 06:03:29 Viewed : 331
In Spring Boot, the PlatformTransactionManager
is an interface provided by Springs transaction management framework. It acts as an abstraction to manage transactions across different transactional resources such as databases, message queues, or other systems.
Typically, Spring Boot integrates with various transaction management frameworks, such as the Java Transaction API (JTA) for distributed transactions or the DataSourceTransactionManager for local database transactions.
Here is an example of how to use the PlatformTransactionManager
with a local database transaction using Spring Data JPA:
java@Service
public class ExampleService {
@Autowired
private PlatformTransactionManager transactionManager;
public void performTransaction() {
TransactionDefinition transactionDefinition = new DefaultTransactionDefinition();
TransactionStatus transactionStatus = transactionManager.getTransaction(transactionDefinition);
try {
// Perform database operations
// ...
transactionManager.commit(transactionStatus);
} catch (Exception e) {
transactionManager.rollback(transactionStatus);
}
}
}
In this example, the ExampleService
class demonstrates the usage of the PlatformTransactionManager
. The transactionManager
bean is autowired into the class.
Inside the performTransaction()
method, you create a TransactionDefinition
object using DefaultTransactionDefinition
to define the transaction properties.
You obtain a TransactionStatus
object by calling transactionManager.getTransaction(transactionDefinition)
. This object represents the status of the transaction.
Within the try
block, you perform your database operations. If an exception occurs, the catch
block is executed, and transactionManager.rollback(transactionStatus)
is called to roll back the transaction.
If no exception occurs, transactionManager.commit(transactionStatus)
is called to commit the transaction.
Note that the exact implementation of the PlatformTransactionManager
will depend on the transaction management framework you are using. Spring Boot provides integrations with various transaction managers, such as DataSourceTransactionManager
for local database transactions or JtaTransactionManager
for distributed transactions.
You can configure the appropriate PlatformTransactionManager
bean based on your transactional requirements in your Spring Boot application context.