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Fixes #437. Adds criticism to Singleton pattern.

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Dmitry Avershin
2016-10-04 14:34:01 +02:00
parent 9512f3ec70
commit eea8785a22
1 changed files with 5 additions and 0 deletions
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singleton/README.md
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@ -36,6 +36,11 @@ Use the Singleton pattern when
* [java.lang.System#getSecurityManager()](http://docs.oracle.com/javase/8/docs/api/java/lang/System.html#getSecurityManager--) * [java.lang.System#getSecurityManager()](http://docs.oracle.com/javase/8/docs/api/java/lang/System.html#getSecurityManager--)
## Consequences
* Violates Single Responsibility Principle (SRP) by controlling their own creation and lifecycle.
* Encourages using a global shared instance which prevents an object and resources used by this object from being deallocated.
## Credits ## Credits
* [Design Patterns: Elements of Reusable Object-Oriented Software](http://www.amazon.com/Design-Patterns-Elements-Reusable-Object-Oriented/dp/0201633612) * [Design Patterns: Elements of Reusable Object-Oriented Software](http://www.amazon.com/Design-Patterns-Elements-Reusable-Object-Oriented/dp/0201633612)