What are the entities of Service Locator pattern?
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.