Module: Workflow::WorkflowInstanceMethods

Defined in:
lib/workflow.rb

Instance Method Summary collapse

Instance Method Details

#current_state ⇒ Object 



111
112
113
114
115
 
# File 'lib/workflow.rb', line 111

def current_state 
  loaded_state = load_workflow_state
  res = spec.states[loaded_state.to_sym] if loaded_state
  res || spec.initial_state
end

#halted? ⇒ Boolean

Returns:

  • (Boolean) 


117
118
119
 
# File 'lib/workflow.rb', line 117

def halted?
  @halted
end

#halted_because ⇒ Object 



121
122
123
 
# File 'lib/workflow.rb', line 121

def halted_because
  @halted_because
end

#process_event!(name, *args) ⇒ Object

Raises:



125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
 
# File 'lib/workflow.rb', line 125

def process_event!(name, *args)
  event = current_state.events[name.to_sym]
  raise NoTransitionAllowed.new(
    "There is no event #{name.to_sym} defined for the #{current_state} state") \
    if event.nil?
  @halted_because = nil
  @halted = false
  @raise_exception_on_halt = false
  return_value = run_action(event.action, *args) || run_action_callback(event.name, *args)
  if @halted
    if @raise_exception_on_halt
      raise TransitionHalted.new(@halted_because)
    else
      false
    end
  else
    run_on_transition(current_state, spec.states[event.transitions_to], name, *args)
    transition(current_state, spec.states[event.transitions_to], name, *args)
    return_value
  end
end