CDI Multiple EntityManager producers

Bd2.java

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.METHOD, ElementType.FIELD, ElementType.CONSTRUCTOR})
public @interface Bd2 {

}

Bd3.java

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.METHOD, ElementType.FIELD, ElementType.CONSTRUCTOR})
public @interface Bd3 {

}

EntityManagersProducer.java

import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.context.RequestScoped;
import javax.enterprise.inject.Default;
import javax.enterprise.inject.Produces;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.PersistenceContext;

@ApplicationScoped
public class EntityManagersProducer {

	@PersistenceContext(unitName = "bd1")
	private EntityManagerFactory factoryBd1;
	
	@PersistenceContext(unitName = "bd2")
	private EntityManagerFactory factoryBd2;
	
	@PersistenceContext(unitName = "bd3")
	private EntityManagerFactory factoryBd3;
	
	@Produces
	@RequestScoped
	@Default
	public EntityManager createEntityManagerBd1() {
		return factoryBd1.createEntityManager();
	}
	
	@Produces
	@RequestScoped
	@Bd2
	public EntityManager createEntityManagerBd2() {
		return factoryBd2.createEntityManager();
	}
	
	@Produces
	@RequestScoped
	@Bd3
	public EntityManager createEntityManagerBd3() {
		return factoryBd3.createEntityManager();
	}
	
}

MinhaDao.java

import javax.inject.Inject;
import javax.persistence.EntityManager;

public class MinhaDao {
	
	@Inject
	private EntityManager emBd1;
	
	@Inject
	@Bd2
	private EntityManager emBd2;
	
	@Inject
	@Bd3
	private EntityManager emBd3;
	
	//...

}