jam-cloud/lib/jam_ruby/base_manager.rb

31 lines
960 B
Ruby

module JamRuby
class BaseManager
attr_accessor :pg_conn
def initialize(options={})
@log = Logging.logger[self]
@pg_conn = options[:conn]
unless PG.threadsafe?
raise Exception, "a non-threadsafe build of libpq is present."
end
end
# Creates a connection manager, and associates the connection created by active_record with ourselves
def self.active_record_transaction(&block)
manager = self.new
ActiveRecord::Base.connection_pool.with_connection do |connection|
# create a transaction, and pass the current connection to ConnectionManager.
# this lets the entire operation work with the same transaction,
# across Rails ActiveRecord and the pg-gem based code in ConnectionManager.
manager.pg_conn = connection.instance_variable_get("@connection")
connection.transaction do
block.call(manager)
end
end
end
end
end