Class: Molinillo::DependencyGraph::Action Abstract

Inherits:
Object
  • Object
show all
Defined in:
lib/molinillo/dependency_graph/action.rb

Overview

This class is abstract.

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#next ⇒ Action, Nil

Returns The next action.

Returns:

  • (Action, Nil) —

    The next action



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# File 'lib/molinillo/dependency_graph/action.rb', line 33

def next
  @next
end

#previous ⇒ Action, Nil

Returns The previous action.

Returns:

  • (Action, Nil) —

    The previous action



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# File 'lib/molinillo/dependency_graph/action.rb', line 30

def previous
  @previous
end

Class Method Details

.action_name ⇒ Symbol

Returns The name of the action.

Returns:

  • (Symbol) —

    The name of the action.



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# File '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.

Parameters:

Returns:

  • (Void) 


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# File 'lib/molinillo/dependency_graph/action.rb', line 25

def down(graph)
  raise 'Abstract'
end

#up(graph) ⇒ Void

Performs the action on the given graph.

Parameters:

Returns:

  • (Void) 


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# File 'lib/molinillo/dependency_graph/action.rb', line 18

def up(graph)
  raise 'Abstract'
end