ex3-contributor.java

public class LatestAndGreatestConnectionProviderImplContributor1
		implements ServiceContributor {
	@Override
	public void contribute(StandardServiceRegistryBuilder serviceRegistryBuilder) {
		// here we will register a short-name for our service strategy
		StrategySelector selector = serviceRegistryBuilder.getBootstrapServiceRegistry().
				.getService( StrategySelector.class );
		selector.registerStrategyImplementor(
				ConnectionProvider.class,
				"lag"
				LatestAndGreatestConnectionProviderImpl.class
		);
	}
}