Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/30154

TitleReusable Business Tier Components : based on CLI and driven by a single wide typed service
Author(s)Pereira, Óscar Mortágua
Aguiar, Rui L.
Santos, Maribel Yasmina
KeywordsBusiness Tiers
Call Level Interfaces
Components
Databases
Middleware
Software architecture
Software reuse
Issue date2014
PublisherIGI Global
JournalInternational Journal of Software Innovation
Abstract(s)Call Level Interfaces (CLI) are software API used for building business tiers of relational database applica- tions whenever performance is a key requirement. Nevertheless, their use is cumbersome, mainly in large database applications with many and complex Create, Read, Update and Delete (CRUD) expressions. CLI are low level API conveying several difficulties during the development process of relational business tiers. Four of them are herein emphasized: 1) Programmers need to master the schemas of the underlying databases; 2) the same CRUD expression is frequently re-written to address different business needs; 3) CLI are not suited to cope with evolving business tiers and, finally, 4) CLI do not provide any feature to decouple development process of relational business tiers from the development process of application tiers. To tackle these difficul- ties, this paper proposes an architecture for building reusable relational business tier components based on CLI herein referred to as the Reusable Business Tier Architecture (RBTA). It relies on a customizable wide typed service to address a business area, such as accountability. The typed service is able to manage CRUD expressions, deployed at runtime, on behalf of application tiers and in accordance with users’needs. The only constraint is that the required service to manage each CRUD expression must be a sub-set of the implemented wide typed service. A proof of concept is also presented.
TypeArticle
URIhttp://hdl.handle.net/1822/30154
DOI10.4018/ijsi.2014010104
ISSN2166-7160
2166-7179
Publisher versionhttp://www.igi-global.com/article/reusable-business-tier-components/111449
Peer-Reviewedyes
AccessRestricted access (UMinho)
Appears in Collections:CAlg - Artigos em revistas internacionais/Papers in international journals

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