Class: Foobara::Callback::Runner

Inherits:
Object
  • Object
show all
Defined in:
foobara-0.0.110/projects/callback/src/runner.rb

Defined Under Namespace

Classes: UnexpectedErrorWhileRunningCallback

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(callback_set) ⇒ Runner

Returns a new instance of Runner.



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# File 'foobara-0.0.110/projects/callback/src/runner.rb', line 17

def initialize(callback_set)
  self.callback_set = callback_set
end

Instance Attribute Details

#callback_data(*args, **opts) ⇒ Object 



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# File 'foobara-0.0.110/projects/callback/src/runner.rb', line 25

def callback_data(*args, **opts)
  return @callback_data if args.empty? && opts.empty?

  self.callback_data = Util.args_and_opts_to_opts(args, opts)

  self
end

#callback_set ⇒ Object

Returns the value of attribute callback_set.



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# File 'foobara-0.0.110/projects/callback/src/runner.rb', line 14

def callback_set
  @callback_set
end

#error ⇒ Object

Returns the value of attribute error.



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# File 'foobara-0.0.110/projects/callback/src/runner.rb', line 14

def error
  @error
end

Instance Method Details

#has_callback_data? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'foobara-0.0.110/projects/callback/src/runner.rb', line 21

def has_callback_data?
  defined?(@callback_data)
end

#run(&do_it) ⇒ Object 



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# File 'foobara-0.0.110/projects/callback/src/runner.rb', line 33

def run(&do_it)
  if block_given?
    callback_set.each_before do |callback|
      run_callback(callback)
    end

    around_callback = callback_set.around.inject(do_it) do |nested_proc, callback|
      proc do
        run_callback(callback, &nested_proc)
      end
    end

    run_callback(around_callback)
  else
    # TODO: raise better errors
    if callback_set.has_before_callbacks?
      # :nocov:
      raise
      # :nocov:
    end
    if callback_set.has_around_callbacks?
      # :nocov:
      raise
      # :nocov:
    end
  end

  callback_set.each_after do |callback|
    run_callback(callback)
  end
rescue => real_error
  begin
    raise UnexpectedErrorWhileRunningCallback.new(callback_data, real_error)
    # this non-sense is just to set the Error#cause properly
  rescue UnexpectedErrorWhileRunningCallback => e
    self.error = e

    callback_set.each_error do |callback|
      run_callback(callback)
    end
  end

  raise
end

#run_callback(callback) ⇒ Object 



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# File 'foobara-0.0.110/projects/callback/src/runner.rb', line 78

def run_callback(callback, &)
  if error
    callback.call(error)
  elsif has_callback_data?
    callback.call(callback_data, &)
  else
    callback.call(&)
  end
end