/// <summary>
/// Shows the 'Server too busy to perform the requested action' Dialog.
/// </summary>
/// <param name="ADerivedException">An Exception instance that is derived from
/// <see cref="EDBAccessLackingCoordinationException"/>.</param>
/// <param name="AReason">Contains the reason as to why the action was not possible.</param>
public static void ShowDBAccessLackingActionNotPossibleDialog(
EDBAccessLackingCoordinationException ADerivedException, out string AReason)
{
AReason = Catalog.GetString("Unknown.");
if (ADerivedException as EDBTransactionBusyException != null)
{
AReason = Catalog.GetString("Waiting time for initiating exclusive data access exceeded.");
}
else if (ADerivedException as EDBTransactionIsolationLevelWrongException != null)
{
AReason = Catalog.GetString("Shared data access could not be initiated.");
}
else if (ADerivedException as EDBCoordinatedDBAccessWaitingTimeExceededException != null)
{
AReason = Catalog.GetString("Waiting time for data access exceeded.");
}
else if
(
(ADerivedException as EDBAttemptingToWorkWithTransactionThatGotStartedOnDifferentThreadException != null) ||
(ADerivedException as
EDBAttemptingToCreateCommandOnDifferentDBConnectionThanTheDBConnectionOfOfTheDBTransactionThatGotPassedException != null) ||
(ADerivedException as EDBAttemptingToCreateCommandEnlistedInDifferentDBTransactionThanTheCurrentDBTransactionException != null) ||
(ADerivedException as EDBAttemptingToCloseDBConnectionThatGotEstablishedOnDifferentThreadException != null)
)
{
AReason = Catalog.GetString("Parallel data access could not be performed.");
}
MessageBox.Show(String.Format(AppCoreResourcestrings.StrPetraServerTooBusyWaitAFewSecondsNoAutomaticRetryCancel,
String.Format(Catalog.GetString("perform the requested action. (Reason: {0})"), AReason)),
AppCoreResourcestrings.StrPetraServerTooBusyTitle,
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
public static void ProcessEDBAccessLackingCoordinationExc(EDBAccessLackingCoordinationException AException)
{
string Reason = String.Empty;
//Would normally use the code below but cannot due to circular referencing.
//Form MainMenuForm = TFormsList.GFormsList.MainMenuForm;
if (Application.OpenForms.Count != 0) // in the Main Menu Form Test this will be false...
{
Form MainMenuForm = Application.OpenForms[0]; // This gets the first ever opened Form, which is the Main Menu
// Ensure MessageBox is shown on the UI Thread!
if (MainMenuForm.InvokeRequired)
{
MainMenuForm.Invoke((MethodInvoker) delegate
{
TServerBusyHelperGui.ShowDBAccessLackingActionNotPossibleDialog(
AException, out Reason);
});
}
else
{
TServerBusyHelperGui.ShowDBAccessLackingActionNotPossibleDialog(
AException, out Reason);
}
}
else
{
TServerBusyHelperGui.ShowDBAccessLackingActionNotPossibleDialog(
AException, out Reason);
}
if (TLogging.DebugLevel >= TLogging.DEBUGLEVEL_COORDINATED_DB_ACCESS)
{
TLogging.Log(String.Format(Catalog.GetString(
TLogging.LOG_PREFIX_INFO + "The OpenPetra Server was too busy to perform the requested action. (Reason: {0})"),
Reason));
TLogging.Log(AException.StackTrace);
}
}
/// <summary>
/// Shows the 'Server too busy to perform the requested action' Dialog.
/// </summary>
/// <param name="ADerivedException">An Exception instance that is derived from
/// <see cref="EDBAccessLackingCoordinationException"/>.</param>
/// <param name="AReason">Contains the reason as to why the action was not possible.</param>
public static void ShowDBAccessLackingActionNotPossibleDialog(
EDBAccessLackingCoordinationException ADerivedException, out string AReason)
{
AReason = Catalog.GetString("Unknown.");
if (ADerivedException as EDBTransactionBusyException != null)
{
AReason = Catalog.GetString("Waiting time for initiating exclusive data access exceeded.");
}
else if (ADerivedException as EDBTransactionIsolationLevelWrongException != null)
{
AReason = Catalog.GetString("Failed to initiate shared data access.");
}
else if (ADerivedException as EDBCoordinatedDBAccessWaitingTimeExceededException != null)
{
AReason = Catalog.GetString("Waiting time for data access exceeded.");
}
MessageBox.Show(String.Format(AppCoreResourcestrings.StrPetraServerTooBusyWaitAFewSecondsNoAutomaticRetryCancel,
String.Format(Catalog.GetString("perform the requested action. (Reason: {0})"), AReason)),
AppCoreResourcestrings.StrPetraServerTooBusyTitle,
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
