Proxy Pattern
A structural pattern that provides a surrogate object which controls access to another object, adding security, caching, logging, or lazy initialization transparently.
A structural pattern that provides a surrogate object which controls access to another object, adding security, caching, logging, or lazy initialization transparently.
How Spring's Aspect-Oriented Programming model applies cross-cutting concerns — logging, transactions, security, caching — using proxies, pointcuts, and advice without touching business logic.
How Spring's @Transactional works under the hood with AOP proxies, propagation levels, isolation levels, readOnly optimization, rollback rules, and the self-invocation trap.