code: def participating_ec_states(self):
          '''The state of each execution context this component is participating
          in.
  
          '''
          with self._mutex:
              if not self._participating_ec_states:
                  if self.participating_ecs:
                      states = []
                      for ec in self.participating_ecs:
                          states.append(self._get_ec_state(ec))
                      self._participating_ec_states = states
                  else:
                      self._participating_ec_states = []
          return self._participating_ec_statef participating_ec_states(self):
          '''The state of each execution context this component is participating
          in.
  
          '''
          with self._mutex:
              if not self._participating_ec_states:
                  if self.participating_ecs:
                      states = []
                      for ec in self.participating_ecs:
                          states.append(self._get_ec_state(ec))
                      self._participating_ec_states = states
                  else:
                      self._participating_ec_states = []
          return self._participating_ec_states
docs: The state of each execution context this component is participating
          in.