internal Answer(Question question, int[] selected, bool valid)
{
this.question = question;
this.selected = selected;
this.valid = valid;
}
private bool Ask(Question question, out bool valid)
{
Answer answer = question.Ask(Application, true);
if (!answer.IsValid) {
valid = false;
return false;
}
valid = true;
if ((string)answer.SelectedValue == "yes")
return true;
return false;
}
private void RollbackPathToTime(NetworkContext context, string pathName, DateTime time)
{
IServiceAddress address = context.Network.GetRoot(pathName);
if (address == null)
throw new ApplicationException("path '" + pathName + "' was not found.");
Out.WriteLine("Reverting path " + pathName + " to " + time);
DataAddress[] dataAddresses = context.Network.GetHistoricalPathRoots(address, pathName, time, 20);
if (dataAddresses.Length == 0) {
Out.WriteLine("no historical roots found.");
return;
}
Out.WriteLine();
Out.WriteLine("found the following roots:");
foreach(DataAddress da in dataAddresses) {
Out.WriteLine(" " + da);
}
Out.WriteLine();
Out.WriteLine("WARNING: Great care must be taken when rolling back a path. This");
Out.WriteLine(" operation is only intended as a way to recover from some types");
Out.WriteLine(" of corruption or other data inconsistency issues.");
Out.WriteLine(" Before agreeing to rollback the path, ensure there are no open");
Out.WriteLine(" writable transactions currently active on the path. A commit");
Out.WriteLine(" write on this path before this operation completes may undo the");
Out.WriteLine(" rollback or worse, put the path back into an inconsistent ");
Out.WriteLine(" state.");
Out.WriteLine();
Question question = new Question("If you are sure you want to continue type YES (case-sensitive) ", new object[] { "YES", "no" }, 1);
Answer answer = question.Ask(Application, false);
if (answer.SelectedOption != 0)
return;
Out.WriteLine();
context.Network.PublishPath(address, pathName, dataAddresses[0]);
Out.WriteLine("done.");
}
public override CommandResultCode Execute(IExecutionContext context, CommandArguments args)
{
Question question = new Question("Do you want to continue?", new object[] { "yes", "no", "maybe" }, 2);
bool valid;
while (Ask(question, out valid))
continue;
if (!valid)
return CommandResultCode.ExecutionFailed;
return CommandResultCode.Success;
}