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Size: 1.39 KB
Versions: 6
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Stored size: 1.39 KB
Contents
require 'dm-core/property/typecast/numeric'
module DataMapper
class Property
class Numeric < Object
include PassThroughLoadDump
include Typecast::Numeric
accept_options :precision, :scale, :min, :max
attr_reader :precision, :scale, :min, :max
DEFAULT_PRECISION = 10
DEFAULT_NUMERIC_MIN = 0
DEFAULT_NUMERIC_MAX = 2**31-1
protected
def initialize(model, name, options = {}, type = nil)
super
if [ BigDecimal, ::Float ].include?(@primitive)
@precision = @options.fetch(:precision, DEFAULT_PRECISION)
@scale = @options.fetch(:scale, self.class::DEFAULT_SCALE)
unless @precision > 0
raise ArgumentError, "precision must be greater than 0, but was #{@precision.inspect}"
end
end
if (@options.keys & [ :min, :max ]).any?
@min = @options.fetch(:min, DEFAULT_NUMERIC_MIN)
@max = @options.fetch(:max, DEFAULT_NUMERIC_MAX)
if @max < DEFAULT_NUMERIC_MIN && !@options.key?(:min)
raise ArgumentError, "min should be specified when the max is less than #{DEFAULT_NUMERIC_MIN}"
elsif @max < @min
raise ArgumentError, "max must be less than the min, but was #{@max} while the min was #{@min}"
end
end
end
end # class Numeric
end # class Property
end # module DataMapper
Version data entries
6 entries across 6 versions & 1 rubygems