The Parametric Singleton Design Pattern

Douglas A. Lyon; Francisco Castellanos

doi:10.5381/jot.2007.6.3.c2

The Parametric Singleton Design Pattern

Douglas A. Lyon, Francisco Castellanos

Fairfield University

Research output: Contribution to journal › Article › peer-review

Abstract

The parametric singleton design pattern combines the singleton design pattern with a parameter that enables unique creation of instances of a class. These instances are cached in a table. When a user asks for an instance with these parameters, the table is checked and instances are created conditionally. Lazy instantiation is not new, nor, for that matter, is the singleton design pattern. However, parametric lazy instantiation is new and so is the parametric singleton.

Original language	American English
Journal	Journal of Object Technology
Volume	6
DOIs	https://doi.org/10.5381/jot.2007.6.3.c2
State	Published - Mar 1 2007

Disciplines

Computer Engineering
Engineering

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AB - The parametric singleton design pattern combines the singleton design pattern with a parameter that enables unique creation of instances of a class. These instances are cached in a table. When a user asks for an instance with these parameters, the table is checked and instances are created conditionally. Lazy instantiation is not new, nor, for that matter, is the singleton design pattern. However, parametric lazy instantiation is new and so is the parametric singleton.

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JO - Journal of Object Technology

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The Parametric Singleton Design Pattern

Abstract

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