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# frozen_string_literal: true
module ActiveSupport
module Cache
# A cache store implementation which doesn't actually store anything. Useful in
# development and test environments where you don't want caching turned on but
# need to go through the caching interface.
#
# This cache does implement the local cache strategy, so values will actually
# be cached inside blocks that utilize this strategy. See
# ActiveSupport::Cache::Strategy::LocalCache for more details.
class NullStore < Store
prepend Strategy::LocalCache
# Advertise cache versioning support.
def self.supports_cache_versioning?
true
end
def clear(options = nil)
end
def cleanup(options = nil)
end
def increment(name, amount = 1, options = nil)
end
def decrement(name, amount = 1, options = nil)
end
def delete_matched(matcher, options = nil)
end
private
def read_entry(key, options)
end
def write_entry(key, entry, options)
true
end
def delete_entry(key, options)
false
end
end
end
end
|
