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Multi-purpose Adaptable Business Tier Components Based on Call Level Interfaces

Pereira, O. ; Aguiar, R.

Multi-purpose Adaptable Business Tier Components Based on Call Level Interfaces, Proc IEEE/ACIS ICIS International Conf. on Computer and Information Science - ICIS, Las Vegas, United States, Vol. 1, pp. 215 - 221, July, 2015.

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Call Level Interfaces (CLI) play a key role in business tiers of relational and on some NoSQL database applications whenever a fine tune control between application tiers and the host databases is a key requirement. Unfortunately, in spite of this significant advantage, CLI are low level API, this way not addressing high level architectural requirements. Among the examples we emphasize two situations: a) the need to decouple or not to decouple the development process of business tiers from the development process of application tiers and b) the need to automatically adapt business tiers to new business and/or security needs at runtime. To tackle these CLI drawbacks, and simultaneously keep their advantages, this paper proposes an architecture relying on CLI from which multi-purpose business tiers components are built, herein referred to as Adaptable Business Tier Components (ABTC). Beyond the reference architecture, this paper presents a proof of concept based on Java and Java Database Connectivity (an example of CLI).