Sha256: 8de21c4a769befef939020e3a8ca32a6c247135cf598213a29662f089ab75334

Contents?: true

Size: 1.38 KB

Versions: 59

Compression:

Stored size: 1.38 KB

Contents

# frozen_string_literal: true

require "concurrent/map"

module ActiveRecord
  module Type
    class TypeMap # :nodoc:
      def initialize
        @mapping = {}
        @cache = Concurrent::Map.new do |h, key|
          h.fetch_or_store(key, Concurrent::Map.new)
        end
      end

      def lookup(lookup_key, *args)
        fetch(lookup_key, *args) { Type.default_value }
      end

      def fetch(lookup_key, *args, &block)
        @cache[lookup_key].fetch_or_store(args) do
          perform_fetch(lookup_key, *args, &block)
        end
      end

      def register_type(key, value = nil, &block)
        raise ::ArgumentError unless value || block
        @cache.clear

        if block
          @mapping[key] = block
        else
          @mapping[key] = proc { value }
        end
      end

      def alias_type(key, target_key)
        register_type(key) do |sql_type, *args|
          metadata = sql_type[/\(.*\)/, 0]
          lookup("#{target_key}#{metadata}", *args)
        end
      end

      def clear
        @mapping.clear
      end

      private
        def perform_fetch(lookup_key, *args)
          matching_pair = @mapping.reverse_each.detect do |key, _|
            key === lookup_key
          end

          if matching_pair
            matching_pair.last.call(lookup_key, *args)
          else
            yield lookup_key, *args
          end
        end
    end
  end
end

Version data entries

59 entries across 59 versions & 4 rubygems

Version Path
activerecord-6.1.7.10 lib/active_record/type/type_map.rb
activerecord-6.1.7.9 lib/active_record/type/type_map.rb
activerecord-6.1.7.8 lib/active_record/type/type_map.rb
activerecord-6.1.7.7 lib/active_record/type/type_map.rb
scrapbook-0.3.2 vendor/ruby/2.7.0/gems/activerecord-6.1.6.1/lib/active_record/type/type_map.rb
activerecord-6.1.7.6 lib/active_record/type/type_map.rb
activerecord-6.1.7.5 lib/active_record/type/type_map.rb
activerecord-6.1.7.4 lib/active_record/type/type_map.rb
scrapbook-0.3.1 vendor/ruby/2.7.0/gems/activerecord-6.1.6.1/lib/active_record/type/type_map.rb
activerecord-6.1.7.3 lib/active_record/type/type_map.rb
activerecord-6.1.7.2 lib/active_record/type/type_map.rb
activerecord-6.1.7.1 lib/active_record/type/type_map.rb
activerecord-6.0.6.1 lib/active_record/type/type_map.rb
activerecord-6.1.7 lib/active_record/type/type_map.rb
activerecord-6.0.6 lib/active_record/type/type_map.rb
activerecord-6.1.6.1 lib/active_record/type/type_map.rb
activerecord-6.0.5.1 lib/active_record/type/type_map.rb
activerecord-6.0.5 lib/active_record/type/type_map.rb
activerecord-6.1.6 lib/active_record/type/type_map.rb
activerecord-6.1.5.1 lib/active_record/type/type_map.rb