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Contents
# frozen_string_literal: true
module DynamoidAdvancedWhere
module Nodes
module Concerns
module SupportsLogicalAnd
def and(other_value)
AndNode.new(self, other_value)
end
alias & and
end
end
# I know this is weird but it prevents a circular dependency
require_relative './not'
class AndNode < BaseNode
include Concerns::Negatable
attr_accessor :child_nodes
def initialize(*child_nodes)
self.child_nodes = child_nodes.freeze
freeze
end
def to_expression
return if child_nodes.empty?
"(#{child_nodes.map(&:to_expression).join(') and (')})"
end
def expression_attribute_names
child_nodes.map(&:expression_attribute_names).inject({}, &:merge!)
end
def expression_attribute_values
child_nodes.map(&:expression_attribute_values).inject({}, &:merge!)
end
def and(other_value)
AndNode.new(other_value, *child_nodes)
end
alias & and
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems