class MyDslRuntimeModule extends AbstractMyDslRuntimeModule {

  def configureMyDslFactory(Binder binder) {
    binder.install(new FactoryModuleBuilder()
      .build(IMyClassFactory)
    )
  }
}

class MyClass {
  
  @Inject extension IQualifiedNameProvider

  String fqn

  @Inject
  new(@Assisted MyDslSymbol symbol) {
    
    // at this point there is a problem later, because 
    // IQualifiedNameProvider does not get injected (_iQualifiedNameProvider remains "null"),
    // so the method "fullyQualifiedName" generates a NullPointerException

    this.fqn = symbol.fullyQualifiedName.toString(".")
  }
}

interface IMyClassFactory {

  def MyClass create(MyDslSymbol symbol)
}

class MyDslValidator extends AbstractMyDslValidator {

  @Inject IMyClassFactory factory

  @Check
  def void checkSymbol(MyDslSymbol symbol) {
    val myClass = factory.create(symbol)

  }
}