SOA Design Pattern Application Sequences: Service Fa?ade + UI Mediator

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Executive Summary

Service-Oriented Architecture (SOA) facilitates the development of enterprise applications as modular business services that can be easily integrated and reused, creating a truly flexible, adaptable IT infrastructure. This paper shows exploring creative ways of chaining patterns together into pattern application sequences. The Oracle products for SOA and Integration follow three main initiatives: Business Process Manager (BPM), SOA, and Governance. They have been packaged up as integrating Oracle's best-of-breed components. SOA adoption initiatives are larger, more ambitious and also more complex than those based on past distributed computing models. As a result, there is a wider range of issues to tackle, for which (fortunately) one now has a wider range of proven design solutions. There is one of the most flexible and fundamental service design patterns, the Service Fa?ade. It introduces the traditional notion of fa?ade logic into a service architecture that leads to establish different types of intra-service intermediary processing layers. U1Meadetor is also focused on behavior, but from a human's perspective. This innovative pattern aims to provide feedback and other forms of interactive logic to the presentation layer of a given solution, independently. This paper shows that Service Fa?ade can protect consumer programs from behavioral service changes and UI Mediator can shield humans from inconsistent or non-communicative UI-to-service interaction.

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