Class: PersistentEnum::ActsAsEnum::State

Inherits:
Object
  • Object
show all
Defined in:
lib/persistent_enum/acts_as_enum.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(enum_spec, enum_values, required_enum_constants) ⇒ State

Returns a new instance of State.



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# File 'lib/persistent_enum/acts_as_enum.rb', line 14

def initialize(enum_spec, enum_values, required_enum_constants)
  @enum_spec = enum_spec

  enum_values.each do |val|
    val.attributes.each_value { |attr| attr.freeze }
    val.freeze
  end

  @by_ordinal = enum_values.index_by(&:ordinal).freeze

  @by_name    = enum_values
                  .index_by { |v| v.read_attribute(enum_spec.name_attr) }
                  .with_indifferent_access
                  .freeze

  @by_name_insensitive = enum_values
                           .index_by { |v| v.read_attribute(enum_spec.name_attr).downcase }
                           .with_indifferent_access
                           .freeze

  @required_by_ordinal = required_enum_constants
                           .map { |name| by_name.fetch(name) }
                           .index_by(&:ordinal)
                           .freeze

  @insensitive_lookup  = (by_name.size == by_name_insensitive.size)

  freeze
end

Instance Attribute Details

#by_name ⇒ Object (readonly)

Returns the value of attribute by_name.



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# File 'lib/persistent_enum/acts_as_enum.rb', line 11

def by_name
  @by_name
end

#by_name_insensitive ⇒ Object (readonly)

Returns the value of attribute by_name_insensitive.



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# File 'lib/persistent_enum/acts_as_enum.rb', line 11

def by_name_insensitive
  @by_name_insensitive
end

#by_ordinal ⇒ Object (readonly)

Returns the value of attribute by_ordinal.



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# File 'lib/persistent_enum/acts_as_enum.rb', line 11

def by_ordinal
  @by_ordinal
end

#enum_spec ⇒ Object (readonly)

Returns the value of attribute enum_spec.



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# File 'lib/persistent_enum/acts_as_enum.rb', line 11

def enum_spec
  @enum_spec
end

#required_by_ordinal ⇒ Object (readonly)

Returns the value of attribute required_by_ordinal.



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# File 'lib/persistent_enum/acts_as_enum.rb', line 11

def required_by_ordinal
  @required_by_ordinal
end

Instance Method Details

#insensitive_lookup? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/persistent_enum/acts_as_enum.rb', line 44

def insensitive_lookup?
  @insensitive_lookup
end