A hash with column name symbols and callable values, with the value called to deserialize the column.
Copy the serialization_map and deserialization map into the subclass.
# File lib/sequel/plugins/serialization.rb, line 115 def inherited(subclass) super sm = serialization_map.dup dsm = deserialization_map.dup subclass.instance_eval do @deserialization_map = dsm @serialization_map = sm end end
Create instance level reader that deserializes column values on request, and instance level writer that stores new deserialized values.
# File lib/sequel/plugins/serialization.rb, line 127 def serialize_attributes(format, *columns) if format.is_a?(Symbol) unless format = REGISTERED_FORMATS[format] raise(Error, "Unsupported serialization format: #{format} (valid formats: #{REGISTERED_FORMATS.keys.map{|k| k.inspect}.join})") end end serializer, deserializer = format raise(Error, "No columns given. The serialization plugin requires you specify which columns to serialize") if columns.empty? define_serialized_attribute_accessor(serializer, deserializer, *columns) end
The columns that will be serialized. This is only for backwards compatibility, use serialization_map in new code.
# File lib/sequel/plugins/serialization.rb, line 140 def serialized_columns serialization_map.keys end
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