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# File 'lib/ar_jdbc_pg_array/references_by.rb', line 118
def references_by_array( relation, options = {} )
unless ActiveSupport::Memoizable === self
extend ActiveSupport::Memoizable
end
relation = relation.to_s.pluralize
field = "#{relation.singularize}_ids"
klass_name = (options[:class_name] || relation).to_s.singularize.camelize
klass = klass_name.constantize
holder = RelationHolder.new(relation, field, klass )
meths = Module.new do
define_method(relation) do
holder.referenced(self)
end
define_method("#{relation}=") do |value|
flush_cache(relation)
holder.set_referenced(self, value)
end
end
include meths
memoize relation
if options[:validate]
validate {|o| holder.validate(o)}
end
holder.for_referenced(self)
end
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