public bool IsValidStateChangeTo(ModuleState anotherModuleState)
{
if (!RecoveriesLeft.HasValue && anotherModuleState.RecoveriesLeft.HasValue ||
RecoveriesLeft.HasValue && !anotherModuleState.RecoveriesLeft.HasValue)
{
throw new ArgumentException(
"Cannot compare states with infinite and finite recovery numbers.",
nameof(anotherModuleState));
}
var infiniteRecoveryPossible = RecoveriesLeft == null;
if (IsWorking != anotherModuleState.IsWorking && infiniteRecoveryPossible)
{
return(true);
}
if (IsWorking && !anotherModuleState.IsWorking && RecoveriesLeft == anotherModuleState.RecoveriesLeft)
{
return(true);
}
if (!IsWorking && anotherModuleState.IsWorking && RecoveriesLeft == anotherModuleState.RecoveriesLeft + 1)
{
return(true);
}
return(false);
}
public OneStateTransition(ModuleState from, ModuleState to)
{
From = from;
To = to;
}