# Interface LifecycleListener

All Known Implementing Classes:
  `AprLifecycleListener, ContextConfig, ContextNamingInfoListener, EngineConfig, FrameworkListener, GlobalResourcesLifecycleListener, HeartbeatListener, HostConfig, JniLifecycleListener, JreMemoryLeakPreventionListener, ListenerCreateRule.OptionalListener, MapperListener, NamingContextListener, OpenSSLLifecycleListener, PropertiesRoleMappingListener, SecurityListener, StandardEngine.AccessLogListener, StoreConfigLifecycleListener, ThreadLocalLeakPreventionListener, TLSCertificateReloadListener, Tomcat.DefaultWebXmlListener, Tomcat.FixContextListener, UserConfig, VersionLoggerListener`

public interface LifecycleListener
Interface defining a listener for significant events (including "component start" and "component stop") generated by a component that implements the Lifecycle interface. The listener will be fired after the associated state change has taken place.

## Method Summary

Modifier and Type
Method
Description
`void`
`lifecycleEvent(LifecycleEvent event)`
Acknowledge the occurrence of the specified event.

## Method Details

### lifecycleEvent

void lifecycleEvent(LifecycleEvent event)
Acknowledge the occurrence of the specified event.

Parameters:
  `event` - LifecycleEvent that has occurred