August 2018
Intermediate to advanced
314 pages
8h 9m
English
Content preview from Java EE 8 Design Patterns and Best Practices
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The benefits of the Business Delegate pattern
According to the old J2EE architecture, the benefits of a Business Delegate included:
- Hiding the details of the underlying business service. In the case of remote services, using the Business Delegate makes naming and looking up services transparent to the presentation tier.
- Handling business-service exceptions. The Business Delegate can catch service exceptions that have a technical meaning and translate them into a more friendly exception, generating application exception level to the client. For instance, Business Delegate could translate the eventual remote exceptions generated by a business service into a specific application exception.
- A Business Delegate can transparently carry out a new ...
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