java - Spring @PreDestroy and @PostConstruct is not working when register bean using BeanFactoryPostProcessor programmatically -

i'm trying register bean programmatically using beanfactorypostprocessor, example code follow:

@configuration public class appconfig implements beanfactorypostprocessor {     @override     public void postprocessbeanfactory(configurablelistablebeanfactory beanfactory) throws beansexception {             mybean mybean = new mybean("mybean-0") {                 @override                 public void init() {                     system.out.println("init bean");                 }                  @override                 public void destroy() {                     system.out.println("destroy bean");                 }             };             beanfactory.registersingleton("bean-0", mybean);     } } 

definition of mybean:

public class mybean {     private string name;      public mybean(string name) {         this.name = name;     }      public string getname() {         return name;     }      public void setname(string name) {         this.name = name;     }      @postconstruct     public void init() {         system.out.println("init bean : " + name);     }      @predestroy     public void destroy() {         system.out.println("destroy bean : " + name);     } } 

all di stuff works fine init , destroy method annotation not work, tried interface initializingbean , disposablebean neither help. can understand reason init not working because created manually new, , can call init in constructor job, questions are:

• after registered bean, why destroy method not invoked when spring application context shuts down?
• am using wrong way this? , how make init , destroy method work expected when want register beans programmatically?

btw, i'm using spring 4.2.5, in advance.