What are the entities of Service Locator pattern?

1.	What are the entities of Service Locator pattern?
Answer» Following are the entities of this type of design pattern. Service - Actual Service which will process the request. Reference of such service is to be looked upon in JNDI server. Context / Initial Context - JNDI Context carries the reference to service used for lookup purpose. Service Locator - Service Locator is a single point of contact to get services by JNDI lookup caching the services. Cache - Cache to store references of services to reuse them. Client - Client is the object that invokes the services via ServiceLocator.

Answer»

Following are the entities of this type of design pattern.

Service - Actual Service which will process the request. Reference of such service is to be looked upon in JNDI server.
Context / Initial Context - JNDI Context carries the reference to service used for lookup purpose.
Service Locator - Service Locator is a single point of contact to get services by JNDI lookup caching the services.
Cache - Cache to store references of services to reuse them.
Client - Client is the object that invokes the services via ServiceLocator.

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