self.new(spec) — ActiveRecord::ConnectionAdapters::ConnectionPool

self.new(spec)

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.

Parameters

spec req

Source

# File activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb, line 234
      def initialize(spec)
        super()

        @spec = spec

        @checkout_timeout = (spec.config[:checkout_timeout] && spec.config[:checkout_timeout].to_f) || 5
        @dead_connection_timeout = (spec.config[:dead_connection_timeout] && spec.config[:dead_connection_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

Defined in activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb line 234 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::ConnectionPool

Signature

Parameters