public async Task Save(IAsyncStateMachineSaver <TState> stateMachineSaver)
{
Guard.AgainstNullArgument("stateMachineSaver", stateMachineSaver);
await stateMachineSaver.SaveCurrentState(this.currentState != null?
new Initializable <TState> {
Value = this.currentState.Id
} :
new Initializable <TState>()).ConfigureAwait(false);
IEnumerable <IState <TState, TEvent> > superStatesWithLastActiveState = this.states.GetStates()
.Where(s => s.SubStates.Any())
.Where(s => s.LastActiveState != null)
.ToList();
var historyStates = superStatesWithLastActiveState.ToDictionary(
s => s.Id,
s => s.LastActiveState.Id);
await stateMachineSaver.SaveHistoryStates(historyStates).ConfigureAwait(false);
}
/// <summary>
/// Saves the current state and history states to a persisted state. Can be restored using <see cref="Load"/>.
/// </summary>
/// <param name="stateMachineSaver">Data to be persisted is passed to the saver.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
public async Task Save(IAsyncStateMachineSaver <TState> stateMachineSaver)
{
Guard.AgainstNullArgument("stateMachineSaver", stateMachineSaver);
await this.stateMachine.Save(stateMachineSaver).ConfigureAwait(false);
}
