diff options
Diffstat (limited to 'activesupport/lib/active_support/cache/file_store.rb')
-rw-r--r-- | activesupport/lib/active_support/cache/file_store.rb | 46 |
1 files changed, 21 insertions, 25 deletions
diff --git a/activesupport/lib/active_support/cache/file_store.rb b/activesupport/lib/active_support/cache/file_store.rb index 5cd6065077..8ed60aebac 100644 --- a/activesupport/lib/active_support/cache/file_store.rb +++ b/activesupport/lib/active_support/cache/file_store.rb @@ -22,15 +22,15 @@ module ActiveSupport extend Strategy::LocalCache end - # Deletes all items from the cache. In this case it deletes all the entries in the specified - # file store directory except for .gitkeep. Be careful which directory is specified in your + # Deletes all items from the cache. In this case it deletes all the entries in the specified + # file store directory except for .gitkeep. Be careful which directory is specified in your # config file when using +FileStore+ because everything in that directory will be deleted. def clear(options = nil) root_dirs = Dir.entries(cache_path).reject {|f| (EXCLUDED_DIRS + [".gitkeep"]).include?(f)} FileUtils.rm_r(root_dirs.collect{|f| File.join(cache_path, f)}) end - # Premptively iterates through all stored keys and removes the ones which have expired. + # Preemptively iterates through all stored keys and removes the ones which have expired. def cleanup(options = nil) options = merged_options(options) search_dir(cache_path) do |fname| @@ -43,33 +43,13 @@ module ActiveSupport # Increments an already existing integer value that is stored in the cache. # If the key is not found nothing is done. def increment(name, amount = 1, options = nil) - file_name = key_file_path(namespaced_key(name, options)) - lock_file(file_name) do - options = merged_options(options) - if num = read(name, options) - num = num.to_i + amount - write(name, num, options) - num - else - nil - end - end + modify_value(name, amount, options) end # Decrements an already existing integer value that is stored in the cache. # If the key is not found nothing is done. def decrement(name, amount = 1, options = nil) - file_name = key_file_path(namespaced_key(name, options)) - lock_file(file_name) do - options = merged_options(options) - if num = read(name, options) - num = num.to_i - amount - write(name, num, options) - num - else - nil - end - end + modify_value(name, -amount, options) end def delete_matched(matcher, options = nil) @@ -184,6 +164,22 @@ module ActiveSupport end end end + + # Modifies the amount of an already existing integer value that is stored in the cache. + # If the key is not found nothing is done. + def modify_value(name, amount, options) + file_name = key_file_path(namespaced_key(name, options)) + + lock_file(file_name) do + options = merged_options(options) + + if num = read(name, options) + num = num.to_i + amount + write(name, num, options) + num + end + end + end end end end |