Method: ActiveRecord::ConnectionAdapters::ConnectionPool#initialize

Defined in:
lib/active_record/connection_adapters/abstract/connection_pool.rb

#initialize(spec) ⇒ ConnectionPool

Creates a new ConnectionPool object. spec is a ConnectionSpecification object which describes database connection information (e.g. adapter, host name, username, password, etc), as well as the maximum size for this ConnectionPool.

The default ConnectionPool maximum size is 5.



233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
 
# File 'lib/active_record/connection_adapters/abstract/connection_pool.rb', line 233

def initialize(spec)
  super()

  @spec = spec

  @checkout_timeout = (spec.config[:checkout_timeout] && spec.config[:checkout_timeout].to_f) || 5
  @reaper = Reaper.new(self, (spec.config[:reaping_frequency] && spec.config[:reaping_frequency].to_f))
  @reaper.run

  # default max pool size to 5
  @size = (spec.config[:pool] && spec.config[:pool].to_i) || 5

  # The cache of reserved connections mapped to threads
  @reserved_connections = ThreadSafe::Cache.new(:initial_capacity => @size)

  @connections         = []
  @automatic_reconnect = true

  @available = Queue.new self
end