I'd like to ask you about external web service integration.
Assuming there's just one web service, I'd create a proxy (session bean) in the integration tier.
However, I have to use several external services, which have an identical interface but different locations (URLs). My idea is to use a Service Locator to access the services (and cache the references) and a Business Delegate to provide interface for the business tier (the locator and the delegate would go into the integration tier).
Does it seem right?
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