Module: TaliaCore::Workflow::WorkflowMacro

Defined in:
lib/talia_core/workflow.rb

Instance Method Summary collapse

Instance Method Details

#workflow_machine(opts) ⇒ Object

Configuration options are

  • column - specifies the column name to use for keeping the state (default: state)

  • property - specifies the column name to use for keeping the property of current state (default: state_properties)

  • initial - specifies an initial state for newly created objects (required)

Raises:



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# File 'lib/talia_core/workflow.rb', line 128

def workflow_machine(opts)
  self.extend(ClassMethods)
  raise NoInitialState unless opts[:initial]
    
  write_inheritable_attribute :states, {}
  write_inheritable_attribute :initial_state, opts[:initial]
  write_inheritable_attribute :initial_state_properties, opts[:initial_properties] || {}
  write_inheritable_attribute :transition_table, {}
  write_inheritable_attribute :event_table, {}
  write_inheritable_attribute :state_column, opts[:column] || 'state'
  write_inheritable_attribute :state_properties_column, opts[:properties] || 'state_properties'
    
  class_inheritable_reader    :initial_state
  class_inheritable_reader    :initial_state_properties
  class_inheritable_reader    :state_column
  class_inheritable_reader    :state_properties_column
  class_inheritable_reader    :transition_table
  class_inheritable_reader    :event_table
    
  self.send(:include, TaliaCore::Workflow::InstanceMethods)

  before_create               :set_initial_state, :set_initial_state_properties
  after_create                :run_initial_state_actions
end