A unit of work[1] is a behavioral pattern in software development. Martin Fowler has defined it as everything one does during a business transaction which can affect the database.[2] When the unit of work is finished, it will provide everything that needs to be done to change the database as a result of the work.[2]
A unit of work encapsulates one or more code repositories[de] and a list of actions to be performed which are necessary for the successful implementation of self-contained and consistent data change. A unit of work is also responsible for handling concurrency issues,[3][4] and can be used for transactions[3][4] and stability patterns.[de][5]
^Martin Fowler. Patterns of Enterprise Application Architecture. ISBN 0-321-12742-0.
^ abMartin Fowler (2002), Patterns of Enterprise Application Architecture, Amsterdam: Addison-Wesley-Longman, ISBN 0-321-12742-0
^ abMartin Fowler. "Unit of Work". Retrieved 2018-03-08.
^ ab"Unit of Work". Portland Pattern Repository. Retrieved 2018-03-08.
^Michael T. Nygard (2007), Release It! Design and Deploy Production-Ready Software, O’Reilly, ISBN 978-0-9787392-1-8
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