Describe a pattern template
What will be an ideal response?
A pattern template should reflect a set of ideas that are essential to the proper understanding of the pattern:
? Problem. What problem the pattern aims to resolve.
? Context. The environment, the technology, or the architecture that is required to make the proposed solution successful.
? Forces. What forces create the problem and how they are affected by the application of the pattern.
? Example. An example of the pattern, including code, diagrams, etc., if applicable.
? Participants. A description of classes or objects that participate in the pattern.
? Resulting context and consequences. An explanation of the new context that results from the application of the pattern.
? Discussion. An overall discussion of the pattern.
Patterns must be used only with a thorough understanding of the problem, the context, and the consequences of applying the pattern. Patterns are presented as ready-made solutions. If the context that underlies the pattern is not properly understood or the context changes, the proposed solution might instead create more problems.
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