com.bc.ceres.core

Interface ServiceRegistry<T>

Type Parameters:

T - The service type. All services are instances of that type.

All Known Implementing Classes:

DefaultServiceRegistry

public interface ServiceRegistry<T>

A registry for services of a specific type.

Since:

0.6

Method Summary

Modifier and Type	Method and Description
void	addListener(ServiceRegistryListener<T> listener) Adds a new registry listener.
boolean	addService(T service) Adds a new service to this registry.
List<ServiceRegistryListener<T>>	getListeners()
T	getService(String className) Gets a registered service instance for the given class name.
Set<T>	getServices() Gets all registered services.
Class<T>	getServiceType() Gets the service type.
void	removeListener(ServiceRegistryListener<T> listener) Removes an existing registry listener.
boolean	removeService(T service) Removes an existing service from this registry.

Method Detail

getServiceType

Class<T> getServiceType()

Gets the service type. All services in this registry are instances of this type.

Returns:

The service type.

getServices

Set<T> getServices()

Gets all registered services.

Returns:

A set of all services.

getService

T getService(String className)

Gets a registered service instance for the given class name.

Parameters:

className - The name of the service's class.

Returns:

The service instance or null if no such exists.

addService

boolean addService(T service)

Adds a new service to this registry. The method will automatically remove an already registered service of the same type. If the registry changes due to a call of this method, a change event will be fired.

Parameters:

service - The service to be added.

Returns:

true if the service has been added.

removeService

boolean removeService(T service)

Removes an existing service from this registry. If the registry changes due to a call of this method, a change event will be fired.

Parameters:

service - The service to be removed.

Returns:

true if the service has been removed.

getListeners

List<ServiceRegistryListener<T>> getListeners()

Returns:

The list of registry listeners.

addListener

void addListener(ServiceRegistryListener<T> listener)

Adds a new registry listener.

Parameters:

listener - The registry listener to be added.

removeListener

void removeListener(ServiceRegistryListener<T> listener)

Removes an existing registry listener.

Parameters:

listener - The registry listener to be removed.