diff options
| -rw-r--r-- | activesupport/lib/active_support/cache/mem_cache_store.rb | 45 |
1 files changed, 19 insertions, 26 deletions
diff --git a/activesupport/lib/active_support/cache/mem_cache_store.rb b/activesupport/lib/active_support/cache/mem_cache_store.rb index 4b0ad37586..36f1ba2713 100644 --- a/activesupport/lib/active_support/cache/mem_cache_store.rb +++ b/activesupport/lib/active_support/cache/mem_cache_store.rb @@ -115,11 +115,10 @@ module ActiveSupport def increment(name, amount = 1, options = nil) # :nodoc: options = merged_options(options) instrument(:increment, name, :amount => amount) do - @data.incr(normalize_key(name, options), amount) + rescue_error_with nil do + @data.incr(normalize_key(name, options), amount) + end end - rescue Dalli::DalliError => e - logger.error("DalliError (#{e}): #{e.message}") if logger - nil end # Decrement a cached value. This method uses the memcached decr atomic @@ -129,20 +128,16 @@ module ActiveSupport def decrement(name, amount = 1, options = nil) # :nodoc: options = merged_options(options) instrument(:decrement, name, :amount => amount) do - @data.decr(normalize_key(name, options), amount) + rescue_error_with nil do + @data.decr(normalize_key(name, options), amount) + end end - rescue Dalli::DalliError => e - logger.error("DalliError (#{e}): #{e.message}") if logger - nil end # Clear the entire cache on all memcached servers. This method should # be used with care when shared cache is being used. def clear(options = nil) - @data.flush_all - rescue Dalli::DalliError => e - logger.error("DalliError (#{e}): #{e.message}") if logger - nil + rescue_error_with(nil) { @data.flush_all } end # Get the statistics from the memcached servers. @@ -153,10 +148,7 @@ module ActiveSupport protected # Read an entry from the cache. def read_entry(key, options) # :nodoc: - deserialize_entry(@data.get(key, options)) - rescue Dalli::DalliError => e - logger.error("DalliError (#{e}): #{e.message}") if logger - nil + rescue_error_with(nil) { deserialize_entry(@data.get(key, options)) } end # Write an entry to the cache. @@ -168,18 +160,14 @@ module ActiveSupport # Set the memcache expire a few minutes in the future to support race condition ttls on read expires_in += 5.minutes end - @data.send(method, key, value, expires_in, options) - rescue Dalli::DalliError => e - logger.error("DalliError (#{e}): #{e.message}") if logger - false + rescue_error_with false do + @data.send(method, key, value, expires_in, options) + end end # Delete an entry from the cache. def delete_entry(key, options) # :nodoc: - @data.delete(key) - rescue Dalli::DalliError => e - logger.error("DalliError (#{e}): #{e.message}") if logger - false + rescue_error_with(false) { @data.delete(key) } end private @@ -207,10 +195,15 @@ module ActiveSupport if raw_value entry = Marshal.load(raw_value) rescue raw_value entry.is_a?(Entry) ? entry : Entry.new(entry) - else - nil end end + + def rescue_error_with(fallback) + yield + rescue Dalli::DalliError => e + logger.error("DalliError (#{e}): #{e.message}") if logger + fallback + end end end end |