BeanContextServiceProvider JDK 1.6)

Description

public interface BeanContextServiceProvider

One of the primary functions of a BeanContext is to act a as rendezvous between JavaBeans, and BeanContextServiceProviders.

See also:

Methods

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public Iterator getCurrentServiceSelectors (BeanContextServices bcs, Class serviceClass)

Invoked by BeanContextServices, this method gets the current service selectors for the specified service.

Invoked by BeanContextServices, this method
gets the current service selectors for the specified service.
A service selector is a service specific parameter,
typical examples of which could include: a
parameter to a constructor for the service implementation class,
a value for a particular service's property, or a key into a
map of existing implementations.
Returns: the current service selectors for the specified serviceClass
Parameters:
- bcs - the BeanContextServices for this request
- serviceClass - the specified service

public Object getService (BeanContextServices bcs, Object requestor, Class serviceClass, Object serviceSelector)

Invoked by BeanContextServices, this method requests an instance of a service from this BeanContextServiceProvider.

Invoked by BeanContextServices, this method
requests an instance of a
service from this BeanContextServiceProvider.
Returns: a reference to the requested service
Parameters:
- bcs - The BeanContextServices associated with this particular request. This parameter enables the BeanContextServiceProvider to distinguish service requests from multiple sources.
- requestor - The object requesting the service
- serviceClass - The service requested
- serviceSelector - the service dependent parameter for a particular service, or null if not applicable.

public void releaseService (BeanContextServices bcs, Object requestor, Object service)

Invoked by BeanContextServices, this method releases a nested BeanContextChild's (or any arbitrary object associated with a BeanContextChild) reference to the specified service.

Invoked by BeanContextServices,
this method releases a nested BeanContextChild's
(or any arbitrary object associated with a
BeanContextChild) reference to the specified service.
Parameters:
- bcs - the BeanContextServices associated with this particular release request
- requestor - the object requesting the service to be released
- service - the service that is to be released