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Class: Gem::Resolver::Molinillo::DependencyGraph::Action Abstract

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Subclasses:
AddEdgeNoCircular, AddVertex, DeleteEdge, DetachVertexNamed, SetPayload, Tag
Inherits: Object
Defined in: lib/rubygems/resolver/molinillo/lib/molinillo/dependency_graph/action.rb

Overview

This class is abstract.

An action that modifies a ::Gem::Resolver::Molinillo::DependencyGraph that is reversible.

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Class Method Details

.action_name ⇒ Symbol

Returns:

  • (Symbol) —

    The name of the action.

[ GitHub ] 

  


# File 'lib/rubygems/resolver/molinillo/lib/molinillo/dependency_graph/action.rb', line 10



def self.action_name
  raise 'Abstract'
end


  







Instance Attribute Details



  

    #next  ⇒ Action, Nil  (rw)
  



  

    
  





  
Returns:


    
  
  • 
    (Action, Nil)
—    
    

    The next action
    

    
  
    • 





  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/molinillo/lib/molinillo/dependency_graph/action.rb', line 32



attr_accessor :next


  








  

    #previous  ⇒ Action, Nil  (rw)
  



  

    
  





  
Returns:


    
  
  • 
    (Action, Nil)
—    
    

    The previous action
    

    
  
    • 





  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/molinillo/lib/molinillo/dependency_graph/action.rb', line 29



attr_accessor :previous


  







Instance Method Details



  

    #down(graph)  ⇒ Void 
  



  

    

Reverses the action on the given graph.


  





  
Parameters:





  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/molinillo/lib/molinillo/dependency_graph/action.rb', line 24



def down(graph)
  raise 'Abstract'
end


  








  

    #up(graph)  ⇒ Void 
  



  

    

Performs the action on the given graph.


  





  
Parameters:





  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/molinillo/lib/molinillo/dependency_graph/action.rb', line 17



def up(graph)
  raise 'Abstract'
end