Package com.bc.ceres.core

Class DefaultServiceRegistry<T>

java.lang.Object

com.bc.ceres.core.DefaultServiceRegistry<T>

All Implemented Interfaces:

ServiceRegistry<T>

public class DefaultServiceRegistry<T>
extends Object
implements ServiceRegistry<T>

Constructor Summary

Constructors

Constructor	Description
DefaultServiceRegistry(Class<T> serviceType)

Method Summary

Modifier and Type	Method	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.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultServiceRegistry

public DefaultServiceRegistry(Class<T> serviceType)

Method Detail

getServiceType

public Class<T> getServiceType()

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

Specified by:

getServiceType in interface ServiceRegistry<T>

Returns:

The service type.

getServices

public Set<T> getServices()

Gets all registered services.

Specified by:

getServices in interface ServiceRegistry<T>

Returns:

A set of all services.

getService

public T getService(String className)

Gets a registered service instance for the given class name.

Specified by:

getService in interface ServiceRegistry<T>

Parameters:

className - The name of the service's class.

Returns:

The service instance or null if no such exists.

addService

public 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.

Specified by:

addService in interface ServiceRegistry<T>

Parameters:

service - The service to be added.

Returns:

true if the service has been added.

removeService

public 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.

Specified by:

removeService in interface ServiceRegistry<T>

Parameters:

service - The service to be removed.

Returns:

true if the service has been removed.

getListeners

public List<ServiceRegistryListener<T>> getListeners()

Specified by:

getListeners in interface ServiceRegistry<T>

Returns:

The list of registry listeners.

addListener

public void addListener(ServiceRegistryListener<T> listener)

Adds a new registry listener.

Specified by:

addListener in interface ServiceRegistry<T>

Parameters:

listener - The registry listener to be added.

removeListener

public void removeListener(ServiceRegistryListener<T> listener)

Removes an existing registry listener.

Specified by:

removeListener in interface ServiceRegistry<T>

Parameters:

listener - The registry listener to be removed.