Class: ActiveRecord::ConnectionAdapters::QueryCache::QueryCacheRegistry
Do not use. This class is for internal use only.
Relationships & Source Files | |
Inherits: | Object |
Defined in: | activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb |
Class Method Summary
- .new ⇒ QueryCacheRegistry constructor
Instance Method Summary
Constructor Details
.new ⇒ QueryCacheRegistry
# File 'activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb', line 98
def initialize @mutex = Mutex.new @map = ConnectionPool::WeakThreadKeyMap.new end
Instance Method Details
#clear
[ GitHub ]# File 'activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb', line 109
def clear @map.synchronize do @map.clear end end
#compute_if_absent(context)
[ GitHub ]# File 'activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb', line 103
def compute_if_absent(context) @map[context] || @mutex.synchronize do @map[context] ||= yield end end