Spring Miscellaneous

Spring AOP

ProxyFactory:

// class IntImpl implements Int { … }

ProxyFactory pf = new ProxyFactory(new IntImpl());
Int eye = (Int) pf.getProxy();

MethodAdvice:

pf.addAdvice(new MethodBeforeAdvice() {
 @Override
 public void before(Method m, Object[] args, Object target) {
  …
 }
});

Pointcut:

@Pointcut("execution(* adviseMe(..))")
private void anyMethodCalledAdviseMe() {
 
}

Spring JPA Id Generation

Use sequences for @Id columns:

@Id
@SequenceGenerator(name "gen_name", sequenceName = "…", schema = "…")
@GeneratedValue(generator = "gen_name")

Use default for non-primary key columns

ALTER TABLE pimcatalog.BUNDLE_MASTER_INFO add constraint df_bundle_cin default next value for pimcatalog.bundle_id_seq for CONSUMER_ITEM_NUMBER;

Use saveAndFlush to get the updated entities having some column values as default.