Sha256: c0137726b9e8124e4f74fd33632803ff7e0e795a40e51787d63c7fdd9761cdda
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Size: 1008 Bytes
Versions: 7
Compression:
Stored size: 1008 Bytes
Contents
module Workflow
class Event
attr_accessor :name, :transitions_to, :meta, :action, :condition
def initialize(name, transitions_to, condition = nil, meta = {}, &action)
@name = name
@transitions_to = transitions_to.to_sym
@meta = meta
@action = action
@condition = if condition.nil? || condition.is_a?(Symbol) || condition.respond_to?(:call)
condition
else
raise TypeError, 'condition must be nil, an instance method name symbol or a callable (eg. a proc or lambda)'
end
end
def condition_applicable?(object)
if condition
if condition.is_a?(Symbol)
object.send(condition)
else
condition.call(object)
end
else
true
end
end
def draw(graph, from_state)
graph.add_edges(from_state.name.to_s, transitions_to.to_s, meta.merge(:label => to_s))
end
def to_s
@name.to_s
end
end
end
Version data entries
7 entries across 7 versions & 2 rubygems