de.taimos.daemon

Interface IDaemonLifecycleListener

All Known Implementing Classes:

DaemonLifecycleAdapter

public interface IDaemonLifecycleListener

Listener for the lifecycle of a system daemon

Author:

hoegertn

Method Summary

Methods

Modifier and Type	Method and Description
void	aborting() will be called on imminent abortion
void	doStart() Will be called to allow for custom startup code
void	doStop() Will be called to allow for custom shutdown code
void	exception(LifecyclePhase phase, Throwable exception) This method is called if an error occurs.
int	getShutdownTimeoutSeconds()
Map<String,String>	loadProperties()
void	signalUSR2() received custom signal SIGUSR2
void	started() will be called after successful startup
void	stopped() will be called after successful shutdown
void	stopping() will be called on imminent shutdown

Method Detail

doStart

void doStart()
             throws Exception

Will be called to allow for custom startup code

Throws:

Exception - if start failed

doStop

void doStop()
            throws Exception

Will be called to allow for custom shutdown code

Throws:

Exception - if shutdown failed

started

void started()

will be called after successful startup

stopped

void stopped()

will be called after successful shutdown

stopping

void stopping()

will be called on imminent shutdown

aborting

void aborting()

will be called on imminent abortion

signalUSR2

void signalUSR2()

received custom signal SIGUSR2

exception

void exception(LifecyclePhase phase,
             Throwable exception)

This method is called if an error occurs. It provides the current LifecyclePhase and the exception

Parameters:

phase - the phase the error occured in

exception - the occured exception

loadProperties

Map<String,String> loadProperties()

Returns:

the map of properties

getShutdownTimeoutSeconds

int getShutdownTimeoutSeconds()

Returns:

the number of seconds to wait for termination before forcefully stopping the daemon