Class: ActiveRecord::ConnectionAdapters::ConnectionPool::WeakThreadKeyMap

Inherits:
Object
  • Object
show all
Defined in:
activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb

Overview

:nodoc:

Instance Method Summary collapse

Constructor Details

#initialize ⇒ WeakThreadKeyMap

FIXME: On 3.3 we could use ObjectSpace::WeakKeyMap but it currently causes GC crashes: github.com/byroot/rails/pull/3



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# File 'activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb', line 141

def initialize
  @map = {}
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb', line 149

def [](key)
  @map[key]
end

#[]=(key, value) ⇒ Object 



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# File 'activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb', line 153

def []=(key, value)
  @map.select! { |c, _| c&.alive? }
  @map[key] = value
end

#clear ⇒ Object 



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# File 'activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb', line 145

def clear
  @map.clear
end