spring - ImportBeanDefinitionRegistrar vs BeanDefinitionRegistryPostPro -


my use case deals creating beans dynamically. find 2 options register bean definitions: importbeandefinitionregistrar , beandefinitionregistrypostprocessor

i wanted understand difference between two.

thanks, prateek

the beandefinitionregistrat must used @import annotation 

@configuration @import(myimportbeandefinitionregistrar.class) public class mainconfiguration {  }

while beandefinitionregistrypostprocessor should used that

@bean public static mybeandefinitionregistrypostprocessor mybeandefinitionregistrypostprocessor() {     return new mybeandefinitionregistrypostprocessor(); }

however on spring 3.2.16 both fails modify own bean definitions created @bean, seemed called early.


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