From: <glassfish_at_javadesktop.org>
Date: Sun, 13 May 2007 13:35:38 PDT

Hey,
I was wondering regarding the behaviour of em.flush();

I have such a method:
public void testMethod() {

Collection<SomeEntity> entities = em.createNamedQuery(...).getResultList();

for (SomeEntity currEntity : entities) {
  currEntity.setSomeBooleanFlag(true);
  mergeEntity(currEntity);
}

em.flush();


for(SomeEntity currEntity : entities) {
  //Perform some stuff here...
}
}

public void mergeEntity(SomeEntity entity) {
  em.merge(entity);
}

I expected that after calling em.flush() I will see the boolean flag set for all requests iterated in the first for loop, but it doesnt.

Only after the whole method ends, I see the changes flushed in the DB,

Why? shouldn't em.flush() update the database just after it got invoked?


Thanks in advanced,

Asaf.
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