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tls/README.md

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+---
+layout: pattern
+title: Thread Local Storage
+folder: tls
+permalink: /patterns/tls/
+pumlid: 5Sd13OGm30NHLg00uZlTc62HeCI9x6-s_ONJF6dMghd5AM5jAS3qdSZubwwA4aUuM1uAKQGyEg6CpZxSwUQ7jrEyNhfD1iJKwNql2Cr9aB-ci9vczFO7
+categories: Concurrency
+tags:
+ - Java
+ - Difficulty-Intermediate
+---
+
+## Intent
+Securing variables global to a thread, i.e. class variables of the Runnable object, 
+against being spoiled by other threads using the same instance of the Runnable object
+
+![alt text](./etc/tls.png "Thread Local Storage")
+
+## Applicability
+Use the Thread Local Storage in any of the following situations
+
+* when you use class variables in your Runnable Object that are not read-only