public static bool SwitchState <TState>(this OperationDataBase <TState> data, TState expectedState, TState nextState)
where TState : struct, IConvertible
{
if (data == null)
{
throw new InvalidOperationException("Operation execution data was not properly initialized.");
}
if (Convert.ToInt32(data.State) < Convert.ToInt32(expectedState))
{
// Throws to retry and wait until the operation will be in the required state
throw new InvalidOperationException(
$"Operation execution state can't be switched: {data.State} -> {nextState}. Waiting for the {expectedState} state.");
}
if (Convert.ToInt32(data.State) > Convert.ToInt32(expectedState))
{
// Already in the next state, so this event can be just ignored
return(false);
}
data.State = nextState;
return(true);
}
public static bool SwitchState(this OperationDataBase <SpecialLiquidationOperationState> data,
SpecialLiquidationOperationState expectedState, SpecialLiquidationOperationState nextState)
{
if (data == null)
{
throw new InvalidOperationException("Operation execution data was not properly initialized.");
}
if (Convert.ToInt32(data.State) < Convert.ToInt32(expectedState))
{
// Throws to retry and wait until the operation will be in the required state
throw new InvalidOperationException(
$"Operation execution state can't be switched: {data.State} -> {nextState}. Waiting for the {expectedState} state.");
}
if (Convert.ToInt32(data.State) > Convert.ToInt32(expectedState))
{
LogLocator.CommonLog.WriteWarning(nameof(SagaExtensions), nameof(SwitchState),
$"Operation is already in the next state, so this event is ignored, {new {data, expectedState, nextState}.ToJson()}.");
return(false);
}
if (data.State == SpecialLiquidationOperationState.Failed &&
nextState == SpecialLiquidationOperationState.Cancelled)
{
LogLocator.CommonLog.WriteWarning(nameof(SagaExtensions), nameof(SwitchState),
$"Cannot switch from Failed to Cancelled state (both states are final), so this event is ignored, {new {data, expectedState, nextState}.ToJson()}.");
return(false);
}
data.State = nextState;
return(true);
}
public static bool SwitchState <TState>(this OperationDataBase <TState> data, TState expectedState,
TState nextState)
where TState : struct, IConvertible
{
if (data == null)
{
throw new InvalidOperationException("Operation execution data was not properly initialized.");
}
if (Convert.ToInt32(data.State) < Convert.ToInt32(expectedState))
{
// Throws to retry and wait until the operation will be in the required state
throw new InvalidOperationException(
$"Operation execution state can't be switched: {data.State} -> {nextState}. Waiting for the {expectedState} state.");
}
if (Convert.ToInt32(data.State) > Convert.ToInt32(expectedState))
{
LogLocator.CommonLog.WriteWarning(nameof(SagaExtensions), nameof(SwitchState),
$"Operation is already in the next state, so this event is ignored, {new {data, expectedState, nextState}.ToJson()}.");
return(false);
}
data.State = nextState;
return(true);
}
public MainWindowViewModel()
{
_operationDataBase = OperationDataBase.GetInstance();
CurrentContent = Content.GetInstance();
CurrentContent.Catalogs = UpdaterRss.UpdateTreeViewChannels(CurrentContent.User.Login);
}
public SettingPageViewModel()
{
_operationDataBase = OperationDataBase.GetInstance();
CurrentContent = Content.GetInstance();
Login = CurrentContent.User.Login;
Password = CurrentContent.User.Password;
Email = CurrentContent.User.Email;
}
public RssItemPageViewModel()
{
CurrentContent = Content.GetInstance();
_operationDataBase = OperationDataBase.GetInstance();
PrintRssItems();
Favorite_Checked = _operationDataBase.CheckedFavoriteItem(CurrentContent.User.Login, CurrentContent.RssItem.Title);
}
static UpdaterRss()
{
_operationDataBase = OperationDataBase.GetInstance();
}
public RegistrationPageViewModel()
{
_operationDataBase = OperationDataBase.GetInstance();
_currentRegistrUser = new User();
}
public LoginPageViewModel()
{
CurrentContent = Content.GetInstance();
_operationDataBase = OperationDataBase.GetInstance();
}
