diff options
Diffstat (limited to 'activerecord/lib/active_record/type/hash_lookup_type_map.rb')
-rw-r--r-- | activerecord/lib/active_record/type/hash_lookup_type_map.rb | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/type/hash_lookup_type_map.rb b/activerecord/lib/active_record/type/hash_lookup_type_map.rb new file mode 100644 index 0000000000..82d9327fc0 --- /dev/null +++ b/activerecord/lib/active_record/type/hash_lookup_type_map.rb @@ -0,0 +1,17 @@ +module ActiveRecord + module Type + class HashLookupTypeMap < TypeMap # :nodoc: + delegate :key?, to: :@mapping + + def alias_type(type, alias_type) + register_type(type) { |_, *args| lookup(alias_type, *args) } + end + + private + + def perform_fetch(type, *args, &block) + @mapping.fetch(type, block).call(type, *args) + end + end + end +end |