/// <summary>
/// Executes a loop catching server exceptions till the function had not excecuted up to the end.
/// </summary>
/// <param name="errors">The <see cref="VServerErrors"/> handling the <see cref="VServerError"/>.</param>
/// <param name="message">The message, that should be shown in the error.</param>
/// <param name="function">The function, that should be invoked.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
internal static async Task NpgsqlWhileNullLoopAsync(this VServerErrors errors, string message, Func <Task> function)
{
while (true)
{
try
{
await function.ThrowExceptionIfNull(nameof(function)).Invoke().ConfigureAwait(false);
break;
}
catch (Exception exception) when(exception is PostgresException || exception is NpgsqlException || exception is NpgsqlOperationInProgressException || exception is InvalidOperationException || exception is NullReferenceException || exception is IndexOutOfRangeException)
{
errors.AddError(new VServerError(message, exception));
}
}
}
/// <inheritdoc/>
protected override void OnStart()
{
ServerErrors = new VServerErrors();
ServerConnections = new VServerConnections(new VServerConnectionArguments("sql.minmer.nazwa.pl", 5432, "minmer_mainverbum", "minmer_mainverbum", "VerbumCaroFactumEst0"), ServerErrors);
QuerySchedule = new VQuerySchedule(ServerConnections, ServerErrors);
}
private void OnStartup(object sender, StartupEventArgs eventArgs)
{
ServerErrors = new VServerErrors();
ServerConnections = new VServerConnections(new VServerConnectionArguments("sql.minmer.nazwa.pl", 5432, "minmer_mainverbum", "minmer_mainverbum", "VerbumCaroFactumEst0"), ServerErrors);
QuerySchedule = new VQuerySchedule(ServerConnections, ServerErrors);
}
