org.apache.xbean.kernel
Class NullServiceMonitor

java.lang.Object
  org.apache.xbean.kernel.NullServiceMonitor

All Implemented Interfaces:

ServiceMonitor

public class NullServiceMonitor
extends Object
implements ServiceMonitor

The NullServiceMonitor is a simple implementation of ServiceMonitor containing a noop implementaion of each callback.

Since:

2.0

Author:

Dain Sundstrom

Constructor Summary

NullServiceMonitor()

Method Summary

void	serviceRegistered(ServiceEvent serviceEvent) A new service has been registered with the kernel.
void	serviceRunning(ServiceEvent serviceEvent) A service has entered the RUNNING state.
void	serviceStartError(ServiceEvent serviceEvent) An error occured while calling creating the service.
void	serviceStarting(ServiceEvent serviceEvent) A service has entered the STARTING state.
void	serviceStopError(ServiceEvent serviceEvent) An error occured while calling destroying the service.
void	serviceStopped(ServiceEvent serviceEvent) A service has entered the STOPPED state.
void	serviceStopping(ServiceEvent serviceEvent) A service has entered the RUNNING state.
void	serviceUnregistered(ServiceEvent serviceEvent) A service has been unregistered from the kernel.
void	serviceWaitingToStart(ServiceEvent serviceEvent) A service is waiting to start because some start conditions are unsatified.
void	serviceWaitingToStop(ServiceEvent serviceEvent) A service is waiting to stop because some stop condition is unsatified.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NullServiceMonitor

public NullServiceMonitor()

Method Detail

serviceRegistered

public void serviceRegistered(ServiceEvent serviceEvent)

A new service has been registered with the kernel.

Specified by:

serviceRegistered in interface ServiceMonitor

Parameters:

serviceEvent - the event information

serviceStarting

public void serviceStarting(ServiceEvent serviceEvent)

A service has entered the STARTING state.

Specified by:

serviceStarting in interface ServiceMonitor

Parameters:

serviceEvent - the event information

serviceWaitingToStart

public void serviceWaitingToStart(ServiceEvent serviceEvent)

A service is waiting to start because some start conditions are unsatified.

Specified by:

serviceWaitingToStart in interface ServiceMonitor

Parameters:

serviceEvent - the event information

See Also:

ServiceEvent.getUnsatisfiedConditions()

serviceStartError

public void serviceStartError(ServiceEvent serviceEvent)

An error occured while calling creating the service.

Specified by:

serviceStartError in interface ServiceMonitor

Parameters:

serviceEvent - the event information

See Also:

ServiceEvent.getCause()

serviceRunning

public void serviceRunning(ServiceEvent serviceEvent)

A service has entered the RUNNING state.

Specified by:

serviceRunning in interface ServiceMonitor

Parameters:

serviceEvent - the event information

serviceStopping

public void serviceStopping(ServiceEvent serviceEvent)

A service has entered the RUNNING state.

Specified by:

serviceStopping in interface ServiceMonitor

Parameters:

serviceEvent - the event information

serviceWaitingToStop

public void serviceWaitingToStop(ServiceEvent serviceEvent)

A service is waiting to stop because some stop condition is unsatified.

Specified by:

serviceWaitingToStop in interface ServiceMonitor

Parameters:

serviceEvent - the event information

See Also:

ServiceEvent.getUnsatisfiedConditions()

serviceStopError

public void serviceStopError(ServiceEvent serviceEvent)

An error occured while calling destroying the service.

Specified by:

serviceStopError in interface ServiceMonitor

Parameters:

serviceEvent - the event information

See Also:

ServiceEvent.getCause()

serviceStopped

public void serviceStopped(ServiceEvent serviceEvent)

A service has entered the STOPPED state.

Specified by:

serviceStopped in interface ServiceMonitor

Parameters:

serviceEvent - the event information

serviceUnregistered

public void serviceUnregistered(ServiceEvent serviceEvent)

A service has been unregistered from the kernel.

Specified by:

serviceUnregistered in interface ServiceMonitor

Parameters:

serviceEvent - the event information