class Workflow::State

Attributes

events[RW]
meta[RW]
name[RW]
on_entry[RW]
on_exit[RW]
spec[R]

Public Class Methods

new(name, spec, meta = {}) click to toggle source
# File lib/workflow/state.rb, line 6
def initialize(name, spec, meta = {})
  @name, @spec, @events, @meta = name, spec, EventCollection.new, meta
end

Public Instance Methods

<=>(other_state) click to toggle source
# File lib/workflow/state.rb, line 29
def <=>(other_state)
  states = spec.states.keys
  raise ArgumentError, "state `#{other_state}' does not exist" unless states.include?(other_state.to_sym)
  states.index(self.to_sym) <=> states.index(other_state.to_sym)
end
draw(graph) click to toggle source
# File lib/workflow/state.rb, line 10
def draw(graph)
  defaults = {
    :label => to_s,
    :width => '1',
    :height => '1',
    :shape => 'ellipse'
  }

  node = graph.add_nodes(to_s, defaults.merge(meta))

  # Add open arrow for initial state
  # graph.add_edge(graph.add_node('starting_state', :shape => 'point'), node) if initial?

  node
end
to_s() click to toggle source
# File lib/workflow/state.rb, line 36
def to_s
  "#{name}"
end
to_sym() click to toggle source
# File lib/workflow/state.rb, line 40
def to_sym
  name.to_sym
end