App delegate calling method repeatedly - ios

Question

So I have my AppDelegate method trying to set an object in a ViewController method. My AppDelegate looks like this:
if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad)
{
//Grab a reference to the UISplitViewController
UISplitViewController *splitViewController = (UISplitViewController *)self.window.rootViewController;
PatientDetailViewController* patientDetailViewController = [splitViewController.viewControllers lastObject];
splitViewController.delegate = patientDetailViewController;
//Grab a reference to the masterviewcontroller and get the first patient in the list.
UINavigationController *patientNavController = [splitViewController.viewControllers objectAtIndex:0];
PatientMasterTableViewController *patientMasterViewController = (PatientMasterTableViewController *)[patientNavController topViewController];
Patient* firstPatient = [[patientMasterViewController patientArray] objectAtIndex:0];
//Set it as the detailviews patient.
[patientDetailViewController setPatient:firstPatient];
//Set the detail's as the left's delegate.
patientMasterViewController.delegate = patientDetailViewController;
}
return YES;
}
and the method to set the object looks like this:
-(void)setPatient:(Patient *)patient
{
if (![self.patient isEqual:patient])
{
self.patient = patient;
//Update the UI to reflect the new patient selected from the list.
[self refreshUI];
}
}
The issue that I'm having is that the setPatient method will be called non stop until the program crashes and I have no idea why. Can anyone shed some light on this?

Answer 1

This:
-(void)setPatient:(Patient *)patient
{
if (![self.patient isEqual:patient])
{
self.patient = patient;
//Update the UI to reflect the new patient selected from the list.
[self refreshUI];
}
}
Should be:
-(void)setPatient:(Patient *)patient
{
_patient = patient;
[self refreshUI];
}