Spring's @Bean annotation provides following optional elements to received lifecycle callbacks:

1. initMethod: specifies the method name to received callback after bean initialization.
2. destroyMethod: specified the method name to receive callback before bean destruction.

Example

package com.logicbig.example;

public class OtherBean {
  private String message;

  public OtherBean(String message) {
      this.message = message;
  }

  @Override
  public String toString() {
      return "OtherBean{" +
              "message='" + message + '\'' +
              '}';
  }
}

package com.logicbig.example;

import org.springframework.beans.factory.annotation.Autowired;

public class MyBean {
  private OtherBean otherBean;

  public MyBean() {
      System.out.println("MyBean constructor");
  }

  public void myPostConstruct() {
      System.out.println("myPostConstruct()");
  }

  @Autowired
  public void setOtherBean(OtherBean otherBean) {
      System.out.println("setOtherBean(): " + otherBean);
      this.otherBean = otherBean;
  }

  public void doSomething() {
      System.out.println("doSomething()");
  }


  public void cleanUp() {
      System.out.println("cleanUp method");
  }
}

package com.logicbig.example;

import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class LifeCycleExample {

  @Bean(initMethod = "myPostConstruct", destroyMethod = "cleanUp")
  public MyBean myBean() {
      return new MyBean();
  }

  @Bean
  public OtherBean otherBean() {
      return new OtherBean("Hello from otherBean!");
  }

  public static void main(String[] args) {
      ConfigurableApplicationContext context =
              new AnnotationConfigApplicationContext(LifeCycleExample.class);

      context.registerShutdownHook();

      System.out.println("-- accessing bean --");
      MyBean bean = context.getBean(MyBean.class);
      bean.doSomething();

      System.out.println("-- finished --");
  }
}

Output

MyBean constructor
setOtherBean(): OtherBean{message='Hello from otherBean!'}
myPostConstruct()
-- accessing bean --
doSomething()
-- finished --
cleanUp method

Example Project

Dependencies and Technologies Used:

• spring-context 6.1.2 (Spring Context)
   Version Compatibility: 3.2.3.RELEASE - 6.1.2Version List
  ×

  Version compatibilities of spring-context with this example:

  • 3.2.3.RELEASE
  • 3.2.4.RELEASE
  • 3.2.5.RELEASE
  • 3.2.6.RELEASE
  • 3.2.7.RELEASE
  • 3.2.8.RELEASE
  • 3.2.9.RELEASE
  • 3.2.10.RELEASE
  • 3.2.11.RELEASE
  • 3.2.12.RELEASE
  • 3.2.13.RELEASE
  • 3.2.14.RELEASE
  • 3.2.15.RELEASE
  • 3.2.16.RELEASE
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  • 5.1.17.RELEASE
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  • 5.2.1.RELEASE
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  • 5.2.3.RELEASE
  • 5.2.4.RELEASE
  • 5.2.5.RELEASE
  • 5.2.6.RELEASE
  • 5.2.7.RELEASE
  • 5.2.8.RELEASE
  • 5.2.9.RELEASE
  • 5.2.10.RELEASE
  • 5.2.11.RELEASE
  • 5.2.12.RELEASE
  • 5.2.13.RELEASE
  • 5.2.14.RELEASE
  • 5.2.15.RELEASE
  • 5.2.16.RELEASE
  • 5.2.17.RELEASE
  • 5.2.18.RELEASE
  • 5.2.19.RELEASE
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  • 5.3.0
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  • 5.3.26
  • 5.3.27
  • 5.3.28
  • 5.3.29
  • 5.3.30
  • 5.3.31
  Compatible Java Version: 17+
  • 6.0.0
  • 6.0.1
  • 6.0.2
  • 6.0.3
  • 6.0.4
  • 6.0.5
  • 6.0.6
  • 6.0.7
  • 6.0.8
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  • 6.0.13
  • 6.0.14
  • 6.0.15
  • 6.1.0
  • 6.1.1
  • 6.1.2

  Versions in green have been tested.

• JDK 17
• Maven 3.8.1