How does Lifecycle interface work in Spring? What are “top-level singleton beans”?

Question

It is said in Spring javadoc, that \"Note that the Lifecycle interface is only supported on top-level singleton beans.\" Here URL

My LifecycleBeanTest.xml d

Answer 1

So, finally I foundm that if I:

1) Define my bean as implements Lifecycle

2) Introduce a delay in stop() method like this

@Override
public void stop() {
    log.info("Stopping bean");
    //thread.interrupt();
    try {
        thread.join();
    } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        return;
    }
}

3) And code context creation as follows:

new ClassPathXmlApplicationContext("/tests/LifecycleBeanTest.xml").stop();

Then I get what I want:

context creation code does not exit until all stops of all Lifecycle beans executed. So, this code works in JUnit tests