org.apache.struts2.dispatcher

Interface InternalDestroyable

All Known Subinterfaces:

ContextAwareDestroyable

All Known Implementing Classes:

ComponentCacheDestroyable, CompoundRootAccessor, DefaultFileManager, FinalizableReferenceQueueDestroyable, FreemarkerCacheDestroyable, JBossFileManager, OgnlCacheDestroyable, ScopeInterceptorCacheDestroyable

public interface InternalDestroyable

Internal framework interface for components that hold static state (caches, daemon threads, etc.) requiring cleanup during application undeploy to prevent classloader leaks.

Implementations are registered as named beans in struts-beans.xml (or plugin descriptors) with type InternalDestroyable. During Dispatcher.cleanup(), all registered implementations are discovered via Container.getInstanceNames(InternalDestroyable.class) and invoked automatically.

The order in which implementations are invoked is not guaranteed. Implementations must not depend on other InternalDestroyable beans having been (or not yet been) destroyed. Ordering can be influenced via the order attribute in bean registration.

This is not part of the public user API. For user/plugin lifecycle callbacks, use DispatcherListener instead.

Since:

6.9.0

See Also:

Dispatcher.cleanup()

Method Summary

Modifier and Type	Method and Description
void	destroy() Releases static state held by this component.

Method Detail

destroy

void destroy()

Releases static state held by this component. Called once during Dispatcher.cleanup().