[JBoss JIRA] (CDI-184) Make sure that CDI.current() works in a modular environment
by Emmanuel Bernard (Created) (JIRA)
Make sure that CDI.current() works in a modular environment
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Key: CDI-184
URL: https://issues.jboss.org/browse/CDI-184
Project: CDI Specification Issues
Issue Type: Feature Request
Reporter: Emmanuel Bernard
Fix For: 1.1 (Proposed)
OSGi containers and other modular environments tend to hide service files and consider them implementation details. That means that a naive current classloader based implementation won't discover the various CDI implementations.
There are several approaches to try and work around this problem in EE specs
h4. JPA 2's approach
JPA 2 does have a static getter / setter pair {code}PersistenceProviderResolverHolder.getPersistenceProviderResolver()
PersistenceProviderResolverHolder.setPersistenceProviderResolver(){code}
which holds the resolver to use. A modular environment is free to override the default resolver.
h4. Bean Validation's approach
Bean Validation uses a different approach to work around the nasty static field.
{code}
Validation
.byDefaultProvider()
.providerResolver( myOSGiResolver )
.configure() //we have ways to customize the ValidatorFactory further
.buildValidatorFactory();
{code}
Note that Bean VAlidation approach has another benefit, you can physically ask for a specific Bean Validation provider implementation
{code}
Validation
.byProvider( HibernateValidator.class )
.configure()
.ignoreXmlConfiguration() //bean validation configuration
.failSafe() //Hibernate specific configuration (type safe)
.buildValidatorFactory();
{code}
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