Class: Vagrant::Actions::Collection

Inherits:
Array
  • Object
show all
Defined in:
lib/vagrant/actions/collection.rb

Instance Method Summary collapse

Instance Method Details

#dependencies! ⇒ Object 



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# File 'lib/vagrant/actions/collection.rb', line 4

def dependencies!
  each_with_index do |action, i|
    action.follows.each do |klass|
      unless self[0..i].klasses.include?(klass)
        raise DependencyNotSatisfiedException.new("#{action.class} action must follow #{klass}")
      end	
    end
    
    action.precedes.each do |klass|
      unless self[i..length].klasses.include?(klass)
        raise DependencyNotSatisfiedException.new("#{action.class} action must precede #{klass}")
      end
    end
  end
end

#duplicates! ⇒ Object

Raises:



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# File 'lib/vagrant/actions/collection.rb', line 24

def duplicates!
  raise DuplicateActionException.new if duplicates?
end

#duplicates? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vagrant/actions/collection.rb', line 20

def duplicates?
  klasses.uniq.size != size
end

#klasses ⇒ Object 



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# File 'lib/vagrant/actions/collection.rb', line 28

def klasses
  map { |o| o.class }
end