Sha256: 3ed884af21796dbe87bb0b4725e4bcdfb1d14c6fb421880b60023b2186ebafe9
Contents?: true
Size: 1.6 KB
Versions: 58
Compression:
Stored size: 1.6 KB
Contents
require 'avromatic/model/null_custom_type' module Avromatic module Model # Instances of this class contains the configuration for custom handling of # a named type (record, enum, fixed). class CustomType attr_accessor :to_avro, :from_avro, :value_class def initialize(value_class) @value_class = value_class end # A deserializer method is used when assigning to the model. It is used both when # deserializing a model instance from Avro and when directly instantiating # an instance. The deserializer method must accept a single argument and return # the value to store in the model for the attribute. def deserializer proc = from_avro_proc wrap_proc(proc) if proc end # A serializer method is used when preparing attributes to be serialized using # Avro. The serializer method must accept a single argument of the model value # for the attribute and return a value in a form that Avro can serialize # for the attribute. def serializer proc = to_avro_proc wrap_proc(proc) if proc end private def to_avro_proc to_avro || value_class_method(:to_avro) end def from_avro_proc from_avro || value_class_method(:from_avro) end def value_class_method(method_name) value_class && value_class.respond_to?(method_name) && value_class.method(method_name).to_proc end # Wrap the supplied Proc to handle nil. def wrap_proc(proc) ->(value) { proc.call(value) if value } end end end end
Version data entries
58 entries across 58 versions & 1 rubygems