PostgresLockDao

@Component

class PostgresLockDao(entityManager: EntityManager)

Provides distributed locking functionality via Postgres session-level advisory locks.

Constructors

constructor(entityManager: EntityManager)

@Transactional(propagation = Propagation.MANDATORY)

Acquires an exclusive session-level advisory lock, waiting if needed.

@Transactional(propagation = Propagation.MANDATORY)

Releases an exclusive session-level advisory lock, waiting if needed.