Class: Enum::Transitions::DSL::Proxy

Inherits:
Object
  • Object
show all
Includes:
Naming
Defined in:
lib/enum/transitions/dsl/proxy.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Naming

#entering_event, #leaving_event, #transition_event

Constructor Details

#initialize(config) ⇒ Proxy

Returns a new instance of Proxy.

Parameters:



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# File 'lib/enum/transitions/dsl/proxy.rb', line 17

def initialize(config)
  @config = config
end

Class Method Details

.embed(states) ⇒ Object

Parameters:

  • states (Array<String>) 


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# File 'lib/enum/transitions/dsl/proxy.rb', line 8

def self.embed(states)
  Class.new(self) do
    states.each do |state|
      define_method(state) { state }
    end
  end
end

Instance Method Details

#after_entering(*states, &block) ⇒ Object 



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# File 'lib/enum/transitions/dsl/proxy.rb', line 55

def after_entering(*states, &block)
  states.each do |state|
    @config.callbacks[entering_event(state)] << [:after, block]
  end
end

#after_leaving(*states, &block) ⇒ Object 



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# File 'lib/enum/transitions/dsl/proxy.rb', line 43

def after_leaving(*states, &block)
  states.each do |state|
    @config.callbacks[leaving_event(state)] << [:after, block]
  end
end

#allow(transitions, &block) ⇒ Object

Parameters:

  • transitions (Hash{Array<Symbol>=>Array<Symbol>}) 


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# File 'lib/enum/transitions/dsl/proxy.rb', line 22

def allow(transitions, &block)
  transitions.each_pair do |sources, targets|
    Array(sources).product(Array(targets)) do |source, target|
      transition = transition_event(source, target)

      @config.transitions[source][target] = transition
      @config.callbacks[transition] ||= []
      @config.callbacks[leaving_event(source)] ||= []
      @config.callbacks[entering_event(target)] ||= []

      Docile.dsl_eval(Callbacks.new(@config, transition), &block)
    end
  end
end

#before_entering(*states, &block) ⇒ Object 



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# File 'lib/enum/transitions/dsl/proxy.rb', line 49

def before_entering(*states, &block)
  states.each do |state|
    @config.callbacks[entering_event(state)] << [:before, block]
  end
end

#before_leaving(*states, &block) ⇒ Object 



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# File 'lib/enum/transitions/dsl/proxy.rb', line 37

def before_leaving(*states, &block)
  states.each do |state|
    @config.callbacks[leaving_event(state)] << [:before, block]
  end
end