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module ActiveRecord
class AttributeSet # :nodoc:
class Builder # :nodoc:
attr_reader :types
def initialize(types)
@types = types
end
def build_from_database(values = {}, additional_types = {})
attributes = build_attributes_from_values(values, additional_types)
add_uninitialized_attributes(attributes)
AttributeSet.new(attributes)
end
private
def build_attributes_from_values(values, additional_types)
values.each_with_object({}) do |(name, value), hash|
type = additional_types.fetch(name, types[name])
hash[name] = Attribute.from_database(name, value, type)
end
end
def add_uninitialized_attributes(attributes)
types.except(*attributes.keys).each do |name, type|
attributes[name] = Attribute.uninitialized(name, type)
end
end
end
end
end
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