Design fragments make using frameworks easier

Fairbanks, George; Garlan, David; Scherlis, William L.

doi:10.1145/1176617.1176713

Cited by 10 publications

(14 citation statements)

References 4 publications

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“…In relation to frameworks new, more general and innovative proposals have recently appeared in the literature, focusing on the development and use of frameworks for software systems development in general [22,23]. In [22], the authors propose a method for specialization of OO frameworks using design patterns, which provides a design fragment for the system as a whole.…”

Section: Related Workmentioning

confidence: 99%

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ViSel-TR: A Novel Approach for Developing Component-based Vision Systems Working in Unstructured Environments

Álvarez¹,

Navarro²,

Alonso³

et al. 2016

Int J Comput Softw Eng

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One of the main tasks of vision systems is to support autonomous vehicle navigation in unstructured environments, where unexpected objects can suddenly appear. For this, they can use various information sources (cameras, ultrasonic sensors, GPS systems, LIDAR, etc.) to model the environment in which they operate. All these data are combined to extract all the information needed to guide their movement through the environment. The complexity of this task prevents the integration of vision systems into real-time control systems (autonomous vehicles, mobile robots, etc.). This is because most of the research carried out within the computer vision field focuses on hardware development or on creating new algorithms and methods for performing the analysis and manipulation of the image data. However, system development issues are treated as secondary. Consequently, designs are very efficient but very little reusable. On the other hand, real-time systems possess features that make them particularly sensitive to whatever architectural decisions are made. The use of software frame works and components has demonstrated its effectiveness in improving software productivity and quality. This work proposes a novel approach, called ViSel-TR, for developing vision systems seeking two main objectives: (1) efficient interpretation and reasonable response time in an unstructured environment and (2) use of different development paradigms offered by software engineering that allow their integration in realtime systems. In order to achieve these objectives, ViSel-TR uses model driven software development techniques in order to separate the description of component-based real-time applications from their possible implementations for different platforms.

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Section: Related Workmentioning

confidence: 99%

“…In [22], the authors propose a method for specialization of OO frameworks using design patterns, which provides a design fragment for the system as a whole. A design fragment, then, is a proven solution to the way the program should interact with the framework in order to perform a function.…”

Section: Related Workmentioning

confidence: 99%

ViSel-TR: A Novel Approach for Developing Component-based Vision Systems Working in Unstructured Environments

Álvarez¹,

Navarro²,

Alonso³

et al. 2016

Int J Comput Softw Eng

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“…In [45], Fairbanks et al present a pattern language based on the notion of design fragment. A design fragment is a pattern that encodes a conventional solution to how a programmer interacts with a framework to accomplish a certain goal.…”

Section: Consequencesmentioning

confidence: 99%

Patterns for understanding frameworks

Flores¹,

Aguiar²

2008

Proceedings of the 15th Conference on Pattern Languages of Programs

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Learning and understanding a framework is usually a major obstacle to its effective reuse. Before being able to use a framework successfully, users often need to surpass a steep learning curve by spending a lot of effort understanding its underlying architecture and design principles. This is mainly due to users having to understand not only single isolated classes, but also complex designs of several classes whose instances collaborate for many different purposes, and using many different mechanisms. In addition, frameworks are also full of delocalized plans, and use inheritance and delegation intensively, which makes their design more difficult to grasp at a first glance. How to obtain the necessary information from the framework itself and its accompanying documentation is the main problem with framework understanding. Considering its importance, this paper presents an initial attempt to capture, in the pattern form, a set of proven solutions to recurrent problems of understanding frameworks. The fundamental objective of this work is to help non-experts on being more effective when trying to learn and understand object-oriented frameworks.The introduction of reuse in a software development process implies splitting the traditional software life cycle into two interrelated cycles: one focused on developing reusable assets, and another focused on searching and reusing reusable assets already developed.A framework is a reusable design together with an implementation. It consists of a collection of cooperating classes, both abstract and concrete, which embody an abstract design for solutions to problems in an application domain [15][16] [17].In the particular case of framework-based application development, the traditional life cycle can be organized in: a framework development life cycle devoted to build frameworks, corresponding to the abstraction phase of software reuse; and an application development life cycle (also known as framework usage) devoted to develop applications based on frameworks, corresponding to the selection, specialization, and integration phases of software reuse.Although the activities of framework development and application development are often separate and assigned to different teams, the knowledge to be shared between them is large, as the design of a framework for a domain requires considerable past experience in designing applications for that domain.In application development, frameworks act as generative artefacts as they are used as a foundation for several applications of the framework's domain. This contrasts with the traditional way of developing applications, where each application is developed from scratch. The most distinctive difference between the traditional and the framework-based development of applications is the need to map the structure of the problem to be solved onto the structure of the framework, thereby forcing the application to reuse the design of the framework. The positive side of this is that we don't need to design the application from scratch. But, on th...

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“…Other research projects [18,19,20,21] help plugin developers by finding or encoding known good patterns for using frameworks. The proposed work differs significantly in that it does not suggest a way to complete the task, but it finds defects once a task has been started.…”

Section: Related Workmentioning

confidence: 99%

Checking Temporal Relations between Multiple Objects

Jaspan¹,

Aldrich²

2008

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Software frameworks contain constraints with unusual properties. The constraints frequently span multiple objects and classes, and they change according to the current context. Additionally, they may not be enforced at the same point where they were specified or broken, thus causing unexpected runtime errors. This paper describes a lightweight specification system to describe multiobject temporal constraints. It also provides a detailed description of a static analysis to check that the constraints are not broken. The implementation of the analysis is used to check example plugins from the ASP.NET and Eclipse frameworks.

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Design fragments make using frameworks easier

Cited by 10 publications

References 4 publications

ViSel-TR: A Novel Approach for Developing Component-based Vision Systems Working in Unstructured Environments

ViSel-TR: A Novel Approach for Developing Component-based Vision Systems Working in Unstructured Environments

Patterns for understanding frameworks

Checking Temporal Relations between Multiple Objects

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