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Contents
# frozen_string_literal: true
#
# Copyright (c) 2019-present, Blue Marble Payroll, LLC
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
#
require_relative 'base'
module Dbee
class Model
class Constraints
# A static constraint is a equality constraint on a child and/or parent column to a
# static value. It is usually used in conjunction with a ReferenceConstraint,
# further giving it more scoping.
class Static < Base
attr_reader :value
def initialize(name: '', parent: '', value: nil)
if name.to_s.empty? && parent.to_s.empty?
raise ArgumentError, "name (#{name}) and/or parent (#{parent}) required"
end
super(name: name, parent: parent)
@value = value
freeze
end
def hash
"#{super}#{value}".hash
end
def ==(other)
super && other.value == value
end
alias eql? ==
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems