discourse/lib/distributed_cache.rb

31 lines
815 B
Ruby

# frozen_string_literal: true
require "message_bus/distributed_cache"
class DistributedCache < MessageBus::DistributedCache
def initialize(key, manager: nil, namespace: true)
super(key, manager: manager, namespace: namespace, app_version: Discourse.git_version)
end
# Defer setting of the key in the cache for performance critical path to avoid
# waiting on MessageBus to publish the message which involves writing to Redis.
def defer_set(k, v)
Scheduler::Defer.later("#{@key}_set") { self[k] = v }
end
def defer_get_set(k, &block)
return self[k] if hash.key? k
value = block.call
self.defer_set(k, value)
value
end
def clear(after_commit: true)
if after_commit && !GlobalSetting.skip_db?
DB.after_commit { super() }
else
super()
end
end
end