Object-oriented analysis and design

Summary

Object-oriented analysis and design (OOAD) is a technical approach for analyzing and designing an application, system, or business by applying object-oriented programming, as well as using visual modeling throughout the software development process to guide stakeholder communication and product quality. OOAD in modern software engineering is typically conducted in an iterative and incremental way. The outputs of OOAD activities are analysis models (for OOA) and design models (for OOD) respectively. The intention is for these to be continuously refined and evolved, driven by key factors like risks and business value. History
In the early days of object-oriented technology before the mid-1990s, there were many different competing methodologies for software development and object-oriented modeling, often tied to specific Computer Aided Software Engineering (CASE) tool vendors. No standard notations, consistent terms and process guides were the major concerns at the time, whi

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https://en.wikipedia.org/wiki/Object-oriented_analysis_and_design

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This thesis investigates the concepts commonly used for modelling global behaviour in object-oriented analysis methods (use cases, interaction diagrams, scenarios, scripts etc.). It describes some common drawbacks of current approaches (e.g. assumption of having a flat list of independant scenario types on exactly one abstraction level), discusses the reasons for these drawbacks and proposes an enhanced scenario modelling technique that offers e.g. hierarchies of services.Full abstract of the thesis.

1997

An Enhanced Scenario Modelling Technique for Object-Oriented Analysis

During the last years, scenarios, use-cases and other techniques for modelling the global behaviour have been introduced into object-oriented analysis. However, aggregation and generalisation of scenarios as well as the integration of scenarios reflecting different abstraction levels are usually not supported. By integrating these concepts into an enhanced scenario modelling technique we could overcome some of the drawbacks of current approaches, e.g. their limitation to monolithic systems with fixed automation boundaries, their restriction to flat event structures, and their insufficient support of the transition from analysis to design.

1995

Improving Object-Oriented Analysis

This paper evaluates current object-oriented analysis methods and proposes some possible improvements. We start by describing software requirements definition activities and reviewing the concepts of data modeling and object-orientation. We then identify key principles of object-oriented analysis and judge a selection of emerging methods against these principles. Finally, a proposal is presented which attempts to avoid some of the identified shortcomings. The proposal provides a nested object-relationship-operation framework which is based on a consistent use of the object model, a strong notion of encapsulation and a clear distinction between the essential and the contingent properties of the modelled entities.

1994