Task

A Task is a Method with prerequisite dependencies.

NOTE Can‘t subclass Method b/c Method has no initiator. Not sure that would be a good idea anyway.

Methods
Classes and Modules
Class Task::Graph
Attributes
[RW] description
Public Class methods
new( name, container, preq, desc=nil, &action )

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# File lib/facets/more/taskable.rb, line 57
  def initialize( name, container, preq, desc=nil, &action )
    @name = name
    @container = container
    @prerequisite = preq || []
    @description = desc
    @action = action
  end
Public Instance methods
call()

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# File lib/facets/more/taskable.rb, line 94
  def call
    @action.call
  end
complete()

#— # TODO Problem is ‘a’ can’t take any parameters, # and there’s no way to sort the tasks # from here. FIX if possible. #++ def to_proc 

  r = @prerequisite
  n = @name
  a = @action
  lambda {
    r.each{ |d| send(d) unless n == d }
    instance_eval &a if a
  }

end

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# File lib/facets/more/taskable.rb, line 84
  def complete
    # ensure no cycles in the graph and extract call graph
    #own = (class << self; self; end) # in case there are singletons?
    t = Graph.new( container, name )
    t.each_strongly_connected_component_from( name ) { |c|
      #@container.instance_task(c).call
      @container.send("->#{d}")
    }
  end
each(&blk)

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# File lib/facets/more/taskable.rb, line 98
  def each(&blk)
    @prerequisite.each(&blk)
  end
prerequisite()

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# File lib/facets/more/taskable.rb, line 65
  def prerequisite
    @prerequisite ||= []
  end