Class: ConfigurableEnum::EnumType

Inherits:
ActiveRecord::Type::Value
  • Object
show all
Defined in:
lib/configurable_enum/enum_type.rb

Overview

:nodoc:

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(col_name, kls, subtype) ⇒ EnumType

Returns a new instance of EnumType.



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# File 'lib/configurable_enum/enum_type.rb', line 6

def initialize(col_name, kls, subtype)
  @col_name = col_name
  @kls = kls
  @subtype = subtype
end

Instance Attribute Details

#col_name ⇒ Object (readonly)

Returns the value of attribute col_name.



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# File 'lib/configurable_enum/enum_type.rb', line 4

def col_name
  @col_name
end

#mapping ⇒ Object (readonly)

Returns the value of attribute mapping.



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# File 'lib/configurable_enum/enum_type.rb', line 4

def mapping
  @mapping
end

#subtype ⇒ Object (readonly)

Returns the value of attribute subtype.



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# File 'lib/configurable_enum/enum_type.rb', line 4

def subtype
  @subtype
end

Instance Method Details

#assert_valid_value(value) ⇒ Object 



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# File 'lib/configurable_enum/enum_type.rb', line 37

def assert_valid_value(value)
  unless value.blank? || mapping.has_key?(value) || mapping.has_value?(value)
    raise ArgumentError, "'#{value}' is not a valid #{col_name}"
  end
end

#cast(value) ⇒ Object 



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# File 'lib/configurable_enum/enum_type.rb', line 16

def cast(value)
  return if value.blank?

  if mapping.has_key?(value)
    value.to_s
  elsif mapping.has_value?(value)
    mapping.key(value)
  else
    assert_valid_value(value)
  end
end

#deserialize(value) ⇒ Object 



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# File 'lib/configurable_enum/enum_type.rb', line 28

def deserialize(value)
  return if value.nil?
  mapping.key(subtype.deserialize(value))
end

#serialize(value) ⇒ Object 



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# File 'lib/configurable_enum/enum_type.rb', line 33

def serialize(value)
  mapping.fetch(value, value)
end