org.apache.xbean.kernel.standard
Class ServiceMonitorBroadcaster

java.lang.Object
  org.apache.xbean.kernel.standard.ServiceMonitorBroadcaster

All Implemented Interfaces:

ServiceMonitor

public class ServiceMonitorBroadcaster
extends Object
implements ServiceMonitor

The ServiceMonitorBroadcaster broadcasts kernel events to registered service monitors.

Since:

2.0

Author:

Dain Sundstrom

Constructor Summary

ServiceMonitorBroadcaster(KernelMonitor kernelMonitor)
Creates a ServiceMonitorBroadcaster that notifies the specified kernel monitor when an error occurs while notifying the registered service monitors.

Method Summary

void	addServiceMonitor(ServiceMonitor serviceMonitor, ServiceName serviceName) Adds a service monitor for a specific service, or if the specified service name is null, a global monitor.
void	removeServiceMonitor(ServiceMonitor serviceMonitor) Removes a service monitor.
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

ServiceMonitorBroadcaster

public ServiceMonitorBroadcaster(KernelMonitor kernelMonitor)

Creates a ServiceMonitorBroadcaster that notifies the specified kernel monitor when an error occurs while notifying the registered service monitors.

Parameters:

kernelMonitor - the monitor to notify when an error occurs while notifying the registered service monitors

Method Detail

addServiceMonitor

public void addServiceMonitor(ServiceMonitor serviceMonitor,
                              ServiceName serviceName)

Adds a service monitor for a specific service, or if the specified service name is null, a global monitor.

Note: the order in which service monitors are notified is not specified.

Parameters:

serviceMonitor - the service monitor to add

serviceName - the unique name of the service to monitor or null to monitor all services

removeServiceMonitor

public void removeServiceMonitor(ServiceMonitor serviceMonitor)

Removes a service monitor.

Parameters:

serviceMonitor - the service monitor to remove

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