Class: Gem::Molinillo::DependencyGraph::Action Abstract
- Inherits:
- 
      Object
      
        - Object
- Gem::Molinillo::DependencyGraph::Action
 
- Defined in:
- lib/rubygems/vendor/molinillo/lib/molinillo/dependency_graph/action.rb
Overview
  This class is abstract.
  
An action that modifies a Gem::Molinillo::DependencyGraph that is reversible.
Instance Attribute Summary collapse
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      #next  ⇒ Action, Nil 
    
    
  
  
  
  
    
    
  
  
  
  
  
  
    The next action. 
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      #previous  ⇒ Action, Nil 
    
    
  
  
  
  
    
    
  
  
  
  
  
  
    The previous action. 
Class Method Summary collapse
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      .action_name  ⇒ Symbol 
    
    
  
  
  
  
  
  
  
  
  
    The name of the action. 
Instance Method Summary collapse
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      #down(graph)  ⇒ Void 
    
    
  
  
  
  
  
  
  
  
  
    Reverses the action on the given graph. 
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      #up(graph)  ⇒ Void 
    
    
  
  
  
  
  
  
  
  
  
    Performs the action on the given graph. 
Instance Attribute Details
#next ⇒ Action, Nil
Returns The next action.
| 33 34 35 | # File 'lib/rubygems/vendor/molinillo/lib/molinillo/dependency_graph/action.rb', line 33 def next @next end | 
#previous ⇒ Action, Nil
Returns The previous action.
| 30 31 32 | # File 'lib/rubygems/vendor/molinillo/lib/molinillo/dependency_graph/action.rb', line 30 def previous @previous end | 
Class Method Details
.action_name ⇒ Symbol
Returns The name of the action.
| 11 12 13 | # File 'lib/rubygems/vendor/molinillo/lib/molinillo/dependency_graph/action.rb', line 11 def self.action_name raise 'Abstract' end | 
Instance Method Details
#down(graph) ⇒ Void
Reverses the action on the given graph.
| 25 26 27 | # File 'lib/rubygems/vendor/molinillo/lib/molinillo/dependency_graph/action.rb', line 25 def down(graph) raise 'Abstract' end | 
#up(graph) ⇒ Void
Performs the action on the given graph.
| 18 19 20 | # File 'lib/rubygems/vendor/molinillo/lib/molinillo/dependency_graph/action.rb', line 18 def up(graph) raise 'Abstract' end |