2017-09-19 20:39:48 +05:30
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---
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layout: pattern
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title: Unit Of Work
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folder: unit-of-work
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permalink: /patterns/unit-of-work/
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2017-09-24 12:56:06 +05:30
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2017-09-19 20:39:48 +05:30
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categories: Architectural
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tags:
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- Java
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- KISS
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- YAGNI
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- Difficulty-Beginner
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---
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## Intent
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2017-10-31 16:26:24 +05:30
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When a business transaction is completed, all the these updates are sent as one
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2017-09-19 20:39:48 +05:30
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big unit of work to be persisted in a database in one go so as to minimize database trips.
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## Applicability
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Use the Unit Of Work pattern when
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2017-09-26 23:25:36 +05:30
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* To optimize the time taken for database transactions.
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2017-09-25 21:23:12 +05:30
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* To send changes to database as a unit of work which ensures atomicity of the transaction.
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2017-09-27 00:04:06 +05:30
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* To reduce number of database calls.
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2017-09-19 20:39:48 +05:30
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## Credits
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* [Design Pattern - Unit Of Work Pattern](https://www.codeproject.com/Articles/581487/Unit-of-Work-Design-Pattern)
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* [Unit Of Work](https://martinfowler.com/eaaCatalog/unitOfWork.html)
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