mongo-ruby-driver/lib/mongo/util/core_ext.rb
Kyle Banker f668678fd1 Store sockets in thread-local variables when possible.
Allow connection pools to grow if needed. All this minimizes
the number of locks required and reduces the waiting time
for these locks.
2011-11-03 18:37:23 -04:00

86 lines
1.6 KiB
Ruby

# encoding: UTF-8
# --
# Copyright (C) 2008-2011 10gen Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ++
#:nodoc:
class Object
#:nodoc:
def tap
yield self
self
end unless respond_to? :tap
end
#:nodoc:
module Enumerable
#:nodoc:
def each_with_object(memo)
each { |element| yield(element, memo) }
memo
end unless [].respond_to?(:each_with_object)
end
#:nodoc:
class Hash
#:nodoc:
def assert_valid_keys(*valid_keys)
unknown_keys = keys - [valid_keys].flatten
raise(ArgumentError, "Unknown key(s): #{unknown_keys.join(", ")}") unless unknown_keys.empty?
end
end
#:nodoc:
class String
#:nodoc:
def to_bson_code
BSON::Code.new(self)
end
end
#:nodoc:
class Class
def mongo_thread_local_accessor name, options = {}
m = Module.new
m.module_eval do
class_variable_set :"@@#{name}", Hash.new {|h,k| h[k] = options[:default] }
end
m.module_eval %{
def #{name}
@@#{name}[Thread.current.object_id]
end
def #{name}=(val)
@@#{name}[Thread.current.object_id] = val
end
}
class_eval do
include m
extend m
end
end
end