[cdi-dev] Fwd: Correct way to programatically instantiate a Bean

Hi Todor, if I am not mistaken, the CreationalContext is a way to bind dependent instances to bean (and so align their lifecycles). Which means I'd use new CreationalContext for each bean. Matej ----- Original Message ----- > From: "Todor Boev" <rinsvind(a)gmail.com&gt; > To: cdi-dev(a)lists.jboss.org > Sent: Thursday, September 7, 2017 5:07:35 PM > Subject: [cdi-dev] Correct way to programatically instantiate a Bean > > Hello, > > I need to create beans from a portable extension. > It is not clear to me if every instance of a bean must have an associated > instance of CreationalContext or rather one CreationalContext must be used > for all instances: > > // Store a CreationalContext per bean instance > BeanManager manager = ... > Bean<T> bean = ... > Context ctx = manager.getContext(bean.getScope()); > > Map<T, CreationalContext<T>> dependents = ... > > public T createBean() { > CreationalContext<T> cctx = manager.createCreationalContext(bean); > T instance = ctx.get(bean, cctx); > dependents.put(instance, cctx); > return instance; > } > > public void destroyBean(T instance) { > dependents.computeIfPresent(instance, (inst, cctx) -> { > bean.destroy(inst, cctx); > return null; > }); > } > > // CDI tracks dependents for me > BeanManager manager = ... > Bean<T> bean = ... > Context ctx = manager.getContext(bean.getScope()); > CreationalContext cctx = manager.createCreationalContext(bean); > > public T createBean() { > T instance = ctx.get(bean, cctx); > return instance; > } > > public void destroyBean(T instance) { > bean.destroy(instance, cctx); > } > > Best Regards, > Todor > > _______________________________________________ > cdi-dev mailing list > cdi-dev(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/cdi-dev > > Note that for all code provided on this list, the provider licenses the code > under the Apache License, Version 2 > (http://www.apache.org/licenses/LICENSE-2.0.html). For all other ideas > provided on this list, the provider waives all patent and other intellectual > property rights inherent in such information.