class MyDslWorkflowLanguage extends StandardLanguage {

	override getGuiceModule() {
		Modules.override(super.getGuiceModule()).with(new Module() {
			override configure(Binder binder) {
				binder.bind(ValidatorNaming).to(OldValidatorNaming)
			}
		})
	}
}

class OldValidatorNaming extends ValidatorNaming {

	@Inject extension XtextGeneratorNaming

	override getValidatorClass(Grammar grammar) {
		val runtimeBasePackage = grammar.runtimeBasePackage + ".validation."
		val simpleName = grammar.simpleName
		val name = runtimeBasePackage + simpleName + "JavaValidator"
		return new TypeReference(name)
	}
}