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Explicit notes for @Bean on static methods, private methods, and Java 8 default methods

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Also includes an explicit note on stop vs destroy callbacks for Lifecycle beans.

Issue: SPR-13118
Issue: SPR-12882
Issue: SPR-12345
Issue: SPR-11671
This commit is contained in:
Juergen Hoeller
2015-07-07 16:49:26 +02:00
parent ca3ba7deb5
commit f58e1db2e6
2 changed files with 57 additions and 19 deletions
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26
spring-context/src/main/java/org/springframework/context/Lifecycle.java
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@@ -50,29 +50,33 @@ public interface Lifecycle {
/**
* Start this component.
* Should not throw an exception if the component is already running.
* <p>In the case of a container, this will propagate the start signal
* to all components that apply.
* <p>Should not throw an exception if the component is already running.
* <p>In the case of a container, this will propagate the start signal to all
* components that apply.
* @see SmartLifecycle#isAutoStartup()
*/
void start();
/**
* Stop this component, typically in a synchronous fashion, such that
* the component is fully stopped upon return of this method. Consider
* implementing {@link SmartLifecycle} and its {@code stop(Runnable)}
* variant in cases where asynchronous stop behavior is necessary.
* Stop this component, typically in a synchronous fashion, such that the component is
* fully stopped upon return of this method. Consider implementing {@link SmartLifecycle}
* and its {@code stop(Runnable)} variant when asynchronous stop behavior is necessary.
* <p>Note that this stop notification is not guaranteed to come before destruction: On
* regular shutdown, {@code Lifecycle} beans will first receive a stop notification before
* the general destruction callbacks are being propagated; however, on hot refresh during a
* context's lifetime or on aborted refresh attempts, only destroy methods will be called.
* <p>Should not throw an exception if the component isn't started yet.
* <p>In the case of a container, this will propagate the stop signal
* to all components that apply.
* <p>In the case of a container, this will propagate the stop signal to all components
* that apply.
* @see SmartLifecycle#stop(Runnable)
* @see org.springframework.beans.factory.DisposableBean#destroy()
*/
void stop();
/**
* Check whether this component is currently running.
* <p>In the case of a container, this will return {@code true}
* only if <i>all</i> components that apply are currently running.
* <p>In the case of a container, this will return {@code true} only if <i>all</i>
* components that apply are currently running.
* @return whether the component is currently running
*/
boolean isRunning();