Class: Rake::Pipeline::Graph::Node

Inherits:
Object
  • Object
show all
Defined in:
lib/rake-pipeline/graph.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, metadata = {}) ⇒ Node

Returns a new instance of Node.

Parameters:

  • name (String) —

    the identifier of the node

  • metadata (Hash) (defaults to: {}) —

    an optional hash of metadata



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# File 'lib/rake-pipeline/graph.rb', line 53

def initialize(name, metadata={})
  @name = name
  @parents = Set.new
  @children = Set.new
  @metadata = metadata
end

Instance Attribute Details

#children ⇒ Set (readonly)

Returns a Set of child nodes.

Returns:

  • (Set) —

    a Set of child nodes



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# File 'lib/rake-pipeline/graph.rb', line 46

def children
  @children
end

#metadata ⇒ Hash (readonly)

Returns a Hash of metadata.

Returns:

  • (Hash) —

    a Hash of metadata



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# File 'lib/rake-pipeline/graph.rb', line 49

def metadata
  @metadata
end

#name ⇒ String (readonly)

Returns the identifier of the node.

Returns:

  • (String) —

    the identifier of the node



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# File 'lib/rake-pipeline/graph.rb', line 40

def name
  @name
end

#parents ⇒ Set (readonly)

Returns a Set of parent nodes.

Returns:

  • (Set) —

    a Set of parent nodes



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# File 'lib/rake-pipeline/graph.rb', line 43

def parents
  @parents
end

Instance Method Details

#==(other) ⇒ Object

A node is equal another node if it has the same name. This is because the Graph ensures that only one node with a given name can be created.

Parameters:

  • other (Node) —

    the node to compare



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# File 'lib/rake-pipeline/graph.rb', line 65

def ==(other)
  @name == other.name
end