module Sequel::ConnectionPool::ClassMethods

Class methods used to return an appropriate pool subclass, separated into a module for easier overridding by extensions.

Public Instance Methods

get_pool(db, opts = OPTS) click to toggle source

Return a pool subclass instance based on the given options. If a :pool_class option is provided is provided, use that pool class, otherwise use a new instance of an appropriate pool subclass based on the :single_threaded and :servers options.

   # File lib/sequel/connection_pool.rb
46 def get_pool(db, opts = OPTS)
47   connection_pool_class(opts).new(db, opts)
48 end

Private Instance Methods

connection_pool_class(opts) click to toggle source

Return a connection pool class based on the given options.

   # File lib/sequel/connection_pool.rb
53 def connection_pool_class(opts)
54   if pc = opts[:pool_class]
55     unless pc.is_a?(Class)
56       unless name = POOL_CLASS_MAP[pc]
57         raise Sequel::Error, "unsupported connection pool type, please pass appropriate class as the :pool_class option"
58       end
59 
60       require_relative "connection_pool/#{pc}"
61       pc = Sequel.const_get(name)
62     end
63 
64     pc
65   else
66     pc = if opts[:single_threaded]
67       opts[:servers] ? :sharded_single : :single
68     else
69       opts[:servers] ? :sharded_threaded : :threaded
70     end
71 
72     connection_pool_class(:pool_class=>pc)
73   end
74 end