Example

global_injector.m

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    
  ObjectionInjector *injector = [Objection createInjector];
  [Objection setGlobalInjector:injector];
}

- (void)viewDidLoad {
  id myModel = [[Objection globalInjector] getObject:[MyModel class]];
}

objection_example.m

  @class Engine, Brakes;

  @interface Car : NSObject
  {
    Engine *engine;
    Brakes *brakes;
    BOOL awake;  
  }

  // Will be filled in by objection
  @property(nonatomic, retain) Engine *engine;
  // Will be filled in by objection
  @property(nonatomic, retain) Brakes *brakes;
  @property(nonatomic) BOOL awake;

  @implementation Car
  objection_register(Car)
  objection_requires(@"engine", @"brakes")
  @synthesize engine, brakes, awake;
  @end

objection_fetch.m

- (void)someMethod {
  ObjectionInjector *injector = [Objection createInjector];
  id car = [injector getObject:[Car class]];
}