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-rw-r--r--activesupport/lib/active_support/cache.rb52
1 files changed, 30 insertions, 22 deletions
diff --git a/activesupport/lib/active_support/cache.rb b/activesupport/lib/active_support/cache.rb
index c5633d902f..29e2440288 100644
--- a/activesupport/lib/active_support/cache.rb
+++ b/activesupport/lib/active_support/cache.rb
@@ -12,10 +12,10 @@ require 'active_support/core_ext/string/inflections'
module ActiveSupport
# See ActiveSupport::Cache::Store for documentation.
module Cache
- autoload :FileStore, 'active_support/cache/file_store'
- autoload :MemoryStore, 'active_support/cache/memory_store'
+ autoload :FileStore, 'active_support/cache/file_store'
+ autoload :MemoryStore, 'active_support/cache/memory_store'
autoload :MemCacheStore, 'active_support/cache/mem_cache_store'
- autoload :NullStore, 'active_support/cache/null_store'
+ autoload :NullStore, 'active_support/cache/null_store'
# These options mean something to all cache implementations. Individual cache
# implementations may support additional options.
@@ -88,25 +88,24 @@ module ActiveSupport
end
private
+ def retrieve_cache_key(key)
+ case
+ when key.respond_to?(:cache_key) then key.cache_key
+ when key.is_a?(Array) then key.map { |element| retrieve_cache_key(element) }.to_param
+ when key.respond_to?(:to_a) then retrieve_cache_key(key.to_a)
+ else key.to_param
+ end.to_s
+ end
- def retrieve_cache_key(key)
- case
- when key.respond_to?(:cache_key) then key.cache_key
- when key.is_a?(Array) then key.map { |element| retrieve_cache_key(element) }.to_param
- when key.respond_to?(:to_a) then retrieve_cache_key(key.to_a)
- else key.to_param
- end.to_s
- end
-
- # Obtains the specified cache store class, given the name of the +store+.
- # Raises an error when the store class cannot be found.
- def retrieve_store_class(store)
- require "active_support/cache/#{store}"
- rescue LoadError => e
- raise "Could not find cache store adapter for #{store} (#{e})"
- else
- ActiveSupport::Cache.const_get(store.to_s.camelize)
- end
+ # Obtains the specified cache store class, given the name of the +store+.
+ # Raises an error when the store class cannot be found.
+ def retrieve_store_class(store)
+ require "active_support/cache/#{store}"
+ rescue LoadError => e
+ raise "Could not find cache store adapter for #{store} (#{e})"
+ else
+ ActiveSupport::Cache.const_get(store.to_s.camelize)
+ end
end
# An abstract cache store class. There are multiple cache store
@@ -153,7 +152,6 @@ module ActiveSupport
# or +write+. To specify the threshold at which to compress values, set the
# <tt>:compress_threshold</tt> option. The default threshold is 16K.
class Store
-
cattr_accessor :logger, :instance_writer => true
attr_reader :silence, :options
@@ -385,6 +383,7 @@ module ActiveSupport
# Options are passed to the underlying cache implementation.
def write(name, value, options = nil)
options = merged_options(options)
+
instrument(:write, name, options) do
entry = Entry.new(value, options)
write_entry(namespaced_key(name, options), entry, options)
@@ -396,6 +395,7 @@ module ActiveSupport
# Options are passed to the underlying cache implementation.
def delete(name, options = nil)
options = merged_options(options)
+
instrument(:delete, name) do
delete_entry(namespaced_key(name, options), options)
end
@@ -406,6 +406,7 @@ module ActiveSupport
# Options are passed to the underlying cache implementation.
def exist?(name, options = nil)
options = merged_options(options)
+
instrument(:exist?, name) do
entry = read_entry(namespaced_key(name, options), options)
(entry && !entry.expired?) || false
@@ -585,6 +586,7 @@ module ActiveSupport
result = instrument(:generate, name, options) do |payload|
yield(name)
end
+
write(name, result, options)
result
end
@@ -608,6 +610,7 @@ module ActiveSupport
else
@value = value
end
+
@created_at = Time.now.to_f
@expires_in = options[:expires_in]
@expires_in = @expires_in.to_f if @expires_in
@@ -658,6 +661,7 @@ module ActiveSupport
# serialize entries to protect against accidental cache modifications.
def dup_value!
convert_version_4beta1_entry! if defined?(@v)
+
if @value && !compressed? && !(@value.is_a?(Numeric) || @value == true || @value == false)
if @value.is_a?(String)
@value = @value.dup
@@ -672,8 +676,10 @@ module ActiveSupport
if value && options[:compress]
compress_threshold = options[:compress_threshold] || DEFAULT_COMPRESS_LIMIT
serialized_value_size = (value.is_a?(String) ? value : Marshal.dump(value)).bytesize
+
return true if serialized_value_size >= compress_threshold
end
+
false
end
@@ -696,10 +702,12 @@ module ActiveSupport
@value = @v
remove_instance_variable(:@v)
end
+
if defined?(@c)
@compressed = @c
remove_instance_variable(:@c)
end
+
if defined?(@x) && @x
@created_at ||= Time.now.to_f
@expires_in = @x - @created_at