From 26b79a5382dfa22f7ffb22eb7acdf71918e75e6f Mon Sep 17 00:00:00 2001 From: Thomas Date: Sun, 29 Jan 2017 11:16:45 +0100 Subject: [PATCH] Update README.md Some additonal description, deleted wrong pumlid --- tls/README.md | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/tls/README.md b/tls/README.md index 53db18400..9503267df 100644 --- a/tls/README.md +++ b/tls/README.md @@ -3,7 +3,7 @@ layout: pattern title: Thread Local Storage folder: tls permalink: /patterns/tls/ -pumlid: 5Sd13OGm30NHLg00uZlTc62HeCI9x6-s_ONJF6dMghd5AM5jAS3qdSZubwwA4aUuM1uAKQGyEg6CpZxSwUQ7jrEyNhfD1iJKwNql2Cr9aB-ci9vczFO7 +pumlid: categories: Concurrency tags: - Java @@ -11,12 +11,13 @@ tags: --- ## 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 +Securing variables global to a thread, i.e. class variables if a Callable object, +against being spoiled by other threads using the same instance of the Callable 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 +* when you use class variables in your Callable Object that are not read-only and you use the same Callable instance in more than one thread running in parallel +* when you use static variables in your Callable Object that are not read-only and more than one instances of the Callable may run in parallel threads.