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Abstract: Two variations on the Visitor pattern are presented. A Default Visitor provides default handlers for cases where the polymorphism of the hierarchy of elements can reduce the cost of code maintenance. An Extrinsic Visitor implements double dispatch with run time type information instead of Accept( ) methods. With the same machinery it is possible to test the feasibility of a particular visit before performing its operation. The extrinsic visitor pattern provides several benefits in ease of... (Update)
Context of citations to this paper: More
.... are obvious variants of Design Patterns, such as State Patterns ( Dyson et al. 96] and Variations on the Visitor Pattern ( Nordberg96] where the authors propose several variations on the Design Patterns from [Gamma et al. 95] Other Design Patterns will only after...
...are many other design patterns where reflection can be exploited. To illustrate, ASTTraversal wound up somewhere between the Default Visitor [13] and Reflection patterns, although it was originally inspired by the Visitor pattern [9] Two other design patterns can be applied to...
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BibTeX entry: (Update)
Martin E. Nordberg III (1996): Variations on the Visitor Pattern. PLoP '96. http://citeseer.ist.psu.edu/nordberg96variations.html More
@misc{ nordberg96variations,
author = "Martin E. Nordberg and III",
title = "Variations on the Visitor Pattern",
text = "Martin E. Nordberg III (1996): Variations on the Visitor Pattern. PLoP
'96.",
year = "1996",
url = "citeseer.ist.psu.edu/nordberg96variations.html" }
Citations (may not include all citations):2157 Design Patterns - Elements of Reusable Object-Oriented Softw.. (context) - Gamma, Helm et al. - 1994
1 Code Reuse, Concrete Classes and Inheritance (context) - Meyers - 1994
The graph only includes citing articles where the year of publication is known.
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