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Alexander Ivanov 4904d7eea0 #1021: Fix checkstyle warnings by changing the license header template (#1027) 
* Add custom license header style in order to comply with Google's Checkstyle format

* Update license headers to comply with Google's Checkstyle format
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#190 Remove urm plugin
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#1021: Fix checkstyle warnings by changing the license header template (#1027)
2019-10-22 08:15:35 +03:00
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Update license headers
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README.md

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pattern Specification specification /patterns/specification/ Behavioral
Java
Difficulty-Beginner

Also known as

Filter, Criteria

Intent

Specification pattern separates the statement of how to match a candidate, from the candidate object that it is matched against. As well as its usefulness in selection, it is also valuable for validation and for building to order

alt text

Applicability

Use the Specification pattern when

  • you need to select a subset of objects based on some criteria, and to refresh the selection at various times
  • you need to check that only suitable objects are used for a certain role (validation)

Related patterns

  • Repository

Credits