Class: Statefully::State

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/statefully/state.rb

Direct Known Subclasses

Failure

Defined Under Namespace

Classes: Failure, Missing

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object (private)

This method reeks of :reek:TooManyStatements.

Raises:



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# File 'lib/statefully/state.rb', line 53

def method_missing(name, *args, &block)
  sym_name = name.to_sym
  return fetch(sym_name) if key?(sym_name)
  str_name = name.to_s
  modifier = str_name[-1]
  return super unless %w[? !].include?(modifier)
  base = str_name[0...-1].to_sym
  known = key?(base)
  return known if modifier == '?'
  return fetch(base) if known
  raise Missing, base
end

Instance Attribute Details

#previous ⇒ Object (readonly)

Returns the value of attribute previous.



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# File 'lib/statefully/state.rb', line 8

def previous
  @previous
end

Class Method Details

.create(**values) ⇒ Object 



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# File 'lib/statefully/state.rb', line 11

def self.create(**values)
  Success.send(:new, values, previous: None.instance).freeze
end

Instance Method Details

#diff ⇒ Object 



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# File 'lib/statefully/state.rb', line 15

def diff
  Diff.create(self, previous)
end

#history ⇒ Object 



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# File 'lib/statefully/state.rb', line 19

def history
  ([diff] + previous.history).freeze
end

#inspect ⇒ Object 



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# File 'lib/statefully/state.rb', line 31

def inspect
  inspect_details({})
end

#resolve ⇒ Object 



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# File 'lib/statefully/state.rb', line 27

def resolve
  self
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/statefully/state.rb', line 23

def success?
  true
end