Contents

#
# Copyright (C) 2016 Finalsite, LLC
# Copyright (C) 2016 Carl P. Corliss <[e-mail]>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of
# this software and associated documentation files (the "Software"), to deal in
# the Software without restriction, including without limitation the rights to
# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
# the Software, and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
module AdvancedConnection::ActiveRecordExt
  module ConnectionPool
    module Queues
      class Default < ActiveRecord::ConnectionAdapters::ConnectionPool::Queue
        def size
          synchronize { @queue.size }
        end
      end
      FIFO = Queues::Default

      class Stack < Default
        def remove
          @queue.pop
        end
      end

      class AgeSorted < Default
        def poll(timeout = nil)
          synchronize do
            @queue.sort_by!(&:instance_age)
            no_wait_poll || (timeout && wait_poll(timeout))
          end
        end
      end

      class YoungAgeBiased < AgeSorted
        def remove
          @queue.shift
        end
      end

      class OldAgeBiased < AgeSorted
        def remove
          @queue.pop
        end
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
advanced_connection-0.5.14	lib/advanced_connection/active_record_ext/connection_pool/queues.rb
advanced_connection-0.5.13	lib/advanced_connection/active_record_ext/connection_pool/queues.rb