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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.
#
module Dbee
class Model
# An Partitioner is a way to explicitly define constraints on a model. For example, say we
# want to create a data model, but restrict the returned data to a subset based on a 'type'
# column like ActiveRecord does for Single Table Inheritance. We could use a partition
# to define this constraint.
class Partitioner
acts_as_hashable
attr_reader :name, :value
def initialize(name: '', value: nil)
raise ArgumentError, 'name is required' if name.to_s.empty?
@name = name.to_s
@value = value
end
def <=>(other)
"#{name}#{value}" <=> "#{other.name}#{other.value}"
end
def hash
"#{name}#{value}".hash
end
def ==(other)
other.instance_of?(self.class) &&
other.name == name &&
other.value == value
end
alias eql? ==
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems