Module: Einhorn::AbstractState

Included in:
State, TransientState
Defined in:
lib/einhorn.rb

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object 



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# File 'lib/einhorn.rb', line 35

def method_missing(name, *args)
  if (name.to_s =~ /(.*)=$/) && state.has_key?($1.to_sym)
    state.send(:[]=, $1.to_sym, *args)
  elsif state.has_key?(name)
    state[name]
  else
    ds = default_state
    if ds.has_key?(name)
      ds[name]
    else
      super
    end
  end
end

Instance Method Details

#default_state ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/einhorn.rb', line 13

def default_state
  raise NotImplementedError.new("Override in extended modules")
end

#dumpable_state ⇒ Object 



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# File 'lib/einhorn.rb', line 25

def dumpable_state
  state
end

#respond_to_missing?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/einhorn.rb', line 29

def respond_to_missing?(name)
  ((name.to_s =~ /(.*)=$/) && state.has_key?($1.to_sym)) ||
    state.has_key?(name) ||
    default_state.has_key?(name)
end

#state ⇒ Object 



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# File 'lib/einhorn.rb', line 17

def state
  @state ||= default_state
end

#state=(v) ⇒ Object 



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# File 'lib/einhorn.rb', line 21

def state=(v)
  @state = v
end