The binding
bind(EntityManager.class).annotatedWith(ConnectionDatabase.class).to(EntityManager.class);
tells guice to use the default binding of defined for EntityManager. So
there must be somewhere a binding or a provider method which defines how
to get an implementation of the EntityManager interface.
If you need JPA with guice have a look at onami-persist.
On 29.09.2016 18:51, Robério Cardoso Fernandes wrote:
My project have some maven modules, one of that is the repository
module, an other is the web module.
In repository module I'm using the google guice to do the dependency
injection, and any more.
In web module I'm using the tomEE, and that module have all others
(api, services and repositories).
My problem was in repository module, when I would inject the
EntityManager object in repositories, to solve this problem I put in
the implementation of Guice AbstractModule it:
bind(EntityManager.class).annotatedWith(ConnectionDatabase.class).to(EntityManager.class);
What do you thing about?
Thank you for the attention!
Em quarta-feira, 28 de setembro de 2016 19:47:57 UTC-3, scl escreveu:
I am not 100% sure but I think guice does not support the
@Produces annotation.
So far I only used @Provides
Also if you are using tomEE you already have a CDI container. What
is your reason to use guice in such an environment.
Don't missunderstand me. I prefer guice over CDI but why chose
tomEE and then don't use its feature...
Am 28. September 2016 19:36:28 MESZ, schrieb "Robério Cardoso
Fernandes" <[email protected] <javascript:>>:
I'm doing the integration tests with Apache OpenEJB (tomee).
The bind is done when the container is started.
Em quarta-feira, 28 de setembro de 2016 14:12:46 UTC-3, scl
escreveu:
Where do you bind the EntityManager? Is it bound just in
time? At runtime do you have a container or similar which
provides the EntityManager?
Am 28. September 2016 17:20:16 MESZ, schrieb "Robério
Cardoso Fernandes" <[email protected]>:
Hi folks,
I'm doing the unit tests in my project, and I'm trying
to use the Google Guice. My repository classes have
your EntityManagers, and, in my project, to specify
the persistence unit I have an annotation:
@javax.inject.Qualifier
@java.lang.annotation.Retention(RUNTIME)
@java.lang.annotation.Target({FIELD, TYPE, METHOD})
public @interface ConnectionDatabase {
}
In my repositories the entity managers are injected
like this:
public class MyRepository implements IMyRepository {
@javax.inject.Inject
@ConnectionDatabase
private javax.persistence.EntityManager entityManager;
}
M ResourceProducer, like this:
public class ResourceProducer {
@javax.enterprise.inject.Produces
@Inject
@ConnectionDatabase
private javax.persistence.EntityManager entityManager;
}
My Module of Google Guice is like this:
public class ModuleTest extends AbstractModule {
@Override
public void configure() {
bind(new TypeLiteral<IMyRepository>()
{}).to(MyRepository.class);
}
}
I have a persistence.xml with a persistence unit
called "TestPU".
In my unit tests (or cintegration tests), using the
Google Guice, the EntityManager is not injected, and
the following error is occurring:
No implementation for javax.persistence.EntityManager
annotated with @ConnectionDatabase() was bound.
while locating javax.persistence.EntityManager
annotated with @ConnectionDatabase()
for field at MyRepository.entityManager(<the line>)
at ModuloTest.configure(<the line of the bind
"bind(new TypeLiteral<IMyRepository>()
{}).to(MyRepository.class)">)
Someone here can help me, please?
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