Design pattern implementation in Java and aspectJ

ABSTRACT

AspectJ implementations of the GoF design patterns show modularity improvements in 17 of 23 cases. These improvements are manifested in terms of better code locality, reusability, composability, and (un)pluggability.The degree of improvement in implementation modularity varies, with the greatest improvement coming when the pattern solution structure involves crosscutting of some form, including one object playing multiple roles, many objects playing one role, or an object playing roles in multiple pattern instances.

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Index Terms

• Software and its engineering

  • Software notations and tools

    • General programming languages

      • Language features

        • Classes and objects

        • Patterns

    • System description languages

  • Software organization and properties

    • Software system structures

      • Distributed systems organizing principles

        • Client-server architectures

      • Software architectures