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java-design-patterns/mute-idiom/README.md
2021-09-12 13:27:23 +03:00

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---
title: Mute Idiom
category: Idiom
language: en
tags:
- Decoupling
---
## Intent
Provide a template to suppress any exceptions that either are declared but cannot occur or should only be logged;
while executing some business logic. The template removes the need to write repeated `try-catch` blocks.
## Class diagram
![alt text](./etc/mute-idiom.png "Mute Idiom")
## Applicability
Use this idiom when
* an API declares some exception but can never throw that exception eg. ByteArrayOutputStream bulk write method.
* you need to suppress some exception just by logging it, such as closing a resource.
## Credits
* [JOOQ: Mute Design Pattern](http://blog.jooq.org/2016/02/18/the-mute-design-pattern/)