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Versions: 12
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Stored size: 1.39 KB
Contents
module MongoMapper
module Associations
class Proxy < BasicObject
attr_reader :owner, :association
def initialize(owner, association)
@owner = owner
@association = association
reset
end
def respond_to?(*methods)
(load_target && @target.respond_to?(*methods))
end
def reset
@target = nil
end
def reload_target
reset
load_target
self
end
def send(method, *args)
load_target
@target.send(method, *args)
end
def replace(v)
raise NotImplementedError
end
protected
def method_missing(method, *args)
if load_target
if block_given?
@target.send(method, *args) { |*block_args| yield(*block_args) }
else
@target.send(method, *args)
end
end
end
def load_target
@target ||= find_target
end
def find_target
raise NotImplementedError
end
# Array#flatten has problems with recursive arrays. Going one level
# deeper solves the majority of the problems.
def flatten_deeper(array)
array.collect do |element|
(element.respond_to?(:flatten) && !element.is_a?(Hash)) ? element.flatten : element
end.flatten
end
end
end
end
Version data entries
12 entries across 12 versions & 6 rubygems