An object-oriented bridge among architectural styles, aspects and frameworks

It is generally agreed that designing high-quality frameworks results a difficult task, mainly because this process often relies more on the designer's expertise than the technology used to implement such designs. In addition, framework's should also take into account several quality attributes. Therefore, framework development practices typically involve considerable efforts. This would indicate that some features of the domain could not be directly modeled in terms of object-oriented concepts. An alternative is an approach driven primarily by architectural models. In this way, developers should be able to build systems by assembling and elaborating certain architectural fragments, as independently as possible of particular implementation technologies. Besides, the final system architecture needs to be built considering a number of relevant computing aspects, e.g. synchronization, error-checking strategies, end-to-end performance, distribution or tracing, among others, but the intrinsic nature of these aspects makes it difficult to cleanly segregate them in design.