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| author | danielsdeleo <dan@opscode.com> | 2013-04-22 10:57:01 -0700 |
|---|---|---|
| committer | danielsdeleo <dan@opscode.com> | 2013-04-22 10:57:01 -0700 |
| commit | 673bcd70e5beee892c2f45ae1d19e2205a7c7c13 (patch) | |
| tree | 8511513bd6ed9dcf2322105a22b20bd15a4c4375 | |
| parent | 2cc7d616caccc2fd0cb0e0b851e05ba33b95af80 (diff) | |
| download | chef-673bcd70e5beee892c2f45ae1d19e2205a7c7c13.tar.gz | |
[CHEF-3432] explain class var usage for resource_classes
| -rw-r--r-- | lib/chef/resource.rb | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/chef/resource.rb b/lib/chef/resource.rb index 5b3a3f49b3..bf5e43443e 100644 --- a/lib/chef/resource.rb +++ b/lib/chef/resource.rb @@ -132,6 +132,9 @@ F # Track all subclasses of Resource. This is used so names can be looked up # when attempting to deserialize from JSON. (See: json_compat) def self.resource_classes + # Using a class variable here ensures we have one variable to track + # subclasses shared by the entire class hierarchy; without this, each + # subclass would have its own list of subclasses. @@resource_classes ||= [] end |