toValue method
Implementation
String toValue() {
switch (this) {
case State.waiting:
return 'WAITING';
case State.inProgress:
return 'IN_PROGRESS';
case State.error:
return 'ERROR';
case State.completed:
return 'COMPLETED';
case State.cancelled:
return 'CANCELLED';
case State.timedOut:
return 'TIMED_OUT';
}
}