class Bundler::Molinillo::DependencyGraph::DetachVertexNamed

@!visibility private @see Bundler::Molinillo::DependencyGraph#detach_vertex_named

Attributes

name[R]

@return [String] the name of the vertex to detach

Public Class Methods

name() click to toggle source

(see Action#name)

# File lib/bundler/vendor/molinillo/lib/molinillo/dependency_graph/detach_vertex_named.rb, line 11
def self.name
  :add_vertex
end
new(name) click to toggle source

Initialize an action to detach a vertex from a dependency graph @param [String] name the name of the vertex to detach

# File lib/bundler/vendor/molinillo/lib/molinillo/dependency_graph/detach_vertex_named.rb, line 48
def initialize(name)
  @name = name
end

Public Instance Methods

down(graph) click to toggle source

(see Bundler::Molinillo::DependencyGraph::Action#down)

# File lib/bundler/vendor/molinillo/lib/molinillo/dependency_graph/detach_vertex_named.rb, line 30
def down(graph)
  return unless @vertex
  graph.vertices[@vertex.name] = @vertex
  @vertex.outgoing_edges.each do |e|
    e.destination.incoming_edges << e
  end
  @vertex.incoming_edges.each do |e|
    e.origin.outgoing_edges << e
  end
end
up(graph) click to toggle source

(see Bundler::Molinillo::DependencyGraph::Action#up)

# File lib/bundler/vendor/molinillo/lib/molinillo/dependency_graph/detach_vertex_named.rb, line 16
def up(graph)
  return unless @vertex = graph.vertices.delete(name)
  @vertex.outgoing_edges.each do |e|
    v = e.destination
    v.incoming_edges.delete(e)
    graph.detach_vertex_named(v.name) unless v.root? || v.predecessors.any?
  end
  @vertex.incoming_edges.each do |e|
    v = e.origin
    v.outgoing_edges.delete(e)
  end
end