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SOA Design Patterns by Thomas Erl

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Chapter 7 Logical Inventory Layer Patterns

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Utility Abstraction

Entity Abstraction

Process Abstraction

Service Layers (143) establishes a general means of organizing the services within an inventory into logical groups. Each layer is based on a type of service and therefore represents a set of services that conform to this type. These types correspond to industry classifications referred to as service models.

Following are the three most common service models:

Utility Service Model– A type of service that provides generic processing logic that is not classified as business logic (as explained in the upcoming Business Logic and Agnostic ...

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