public abstract class ApplicationLifecycleListener
extends java.lang.Object
The abstract class, ApplicationLifecycleListener, should be extended to create listener, startup and shutdown classes that a user may wish to tie into their application lifecycle.
We currently support four stages of the lifecycle for listener registration: preStart, postStart, preStop, and postStop. In addition, the extended classes can be of three types: listeners, startup classes, shutdown classes. Typically, listners will extend the WLS abstract class, ApplicationLifecycleListener and implement all relevant methods (preStop through postStop) and will fire according to the methods implemented. For example, a fully implemented listener class will fire at all lifecycle events (preStart, postStart, preStop, and postStop). A startup or shutdown class with only implement its main method and fire either at preStart (startup) or postStop (shutdown).
Modifier and Type | Method | Description |
---|---|---|
void |
postStart(ApplicationLifecycleEvent evt) |
Provides hooks for listener classes after the application finishes
initialization.
|
void |
postStop(ApplicationLifecycleEvent evt) |
Provides hooks for listeners and shut-down classes after the application
finishes its shutdown process.
|
void |
preStart(ApplicationLifecycleEvent evt) |
Provides hooks for listeners and start-up classes before the application
finishes initialization.
|
void |
preStop(ApplicationLifecycleEvent evt) |
Provides hooks for listener classes when the application commences its
shutdown process.
|
public void preStart(ApplicationLifecycleEvent evt) throws ApplicationException
ApplicationException
public void postStart(ApplicationLifecycleEvent evt) throws ApplicationException
ApplicationException
public void preStop(ApplicationLifecycleEvent evt) throws ApplicationException
ApplicationException
public void postStop(ApplicationLifecycleEvent evt) throws ApplicationException
ApplicationException