org.jcsp.net

Interface Service

All Known Subinterfaces:

SecurityService

All Known Implementing Classes:

CNS, CNSService, DynamicClassLoader, SimpleSecurityAuthority

public interface Service

An interface that should be implemented by classes that are intended to be Node level JCSP.NET services.

Services should be initialized, then started and then stopped.

Author:

Quickstone Technologies Limited

Method Summary

Modifier and Type	Method and Description
ServiceUserObject	getUserObject() Obtains a ServiceUserObject from a Service.
boolean	init(ServiceSettings settings) Initialize the service with the specified service settings.
boolean	isRunning() Indicates whether or not a service is running.
boolean	start() This should start the service when called and return.
boolean	stop() Should stop the service and then return.

Method Detail

start

boolean start()

This should start the service when called and return.

Returns:

true iff the service has successfully started.

stop

boolean stop()

Should stop the service and then return.

Returns:

true iff the service has successfully stopped.

init

boolean init(ServiceSettings settings)

Initialize the service with the specified service settings.

Parameters:

settings - The settings used by the service.

Returns:

true iff the service has been initialized.

isRunning

boolean isRunning()

Indicates whether or not a service is running.

Returns:

true iff the service is currently running.

getUserObject

ServiceUserObject getUserObject()
                         throws java.lang.SecurityException

Obtains a ServiceUserObject from a Service. This allows Services to expose functionality to users that it does not want to be able to access admin features.

Returns:

a ServiceUserObject.

Throws:

java.lang.SecurityException - if the calling Thread does not have access to the object.