void Register()
{
if (Installers.Where(x => x != null).IsEmpty())
{
Log.Warn("No installers found while initializing CompositionRoot");
return;
}
foreach (var installer in Installers)
{
if (installer == null)
{
Log.Warn("Found null installer hooked up to CompositionRoot");
continue;
}
if (installer.enabled)
{
// The installers that are part of the scene are monobehaviours
// and therefore were not created via Zenject and therefore do
// not have their members injected
// At the very least they will need the container injected but
// they might also have some configuration passed from another
// scene as well
FieldsInjecter.Inject(_container, installer);
_container.Bind <IInstaller>().To(installer);
// Install this installer and also any other installers that it installs
_container.InstallInstallers();
Assert.That(!_container.HasBinding <IInstaller>());
}
}
}
public DiContainer CreateContainer(bool allowNullBindings, DiContainer parentContainer)
{
var container = new DiContainer();
container.AllowNullBindings = allowNullBindings;
container.FallbackProvider = new DiContainerProvider(parentContainer);
// Install the extra bindings immediately in case they configure the
// installers used in this scene
if (ExtraBindingsLookup != null)
{
ExtraBindingsLookup(container);
// Reset extra bindings for next time we change scenes
ExtraBindingsLookup = null;
}
container.Bind <IInstaller>().ToSingle <StandardUnityInstaller>();
container.Bind <GameObject>().To(this.gameObject).WhenInjectedInto <StandardUnityInstaller>();
container.InstallInstallers();
Assert.That(!container.HasBinding <IInstaller>());
InstallSceneInstallers(container);
return(container);
}
static IEnumerable <ZenjectResolveException> ValidateInstallers(CompositionRoot compRoot)
{
var container = new DiContainer();
container.Bind <CompositionRoot>().ToSingle(compRoot);
var allInstallers = new List <IInstaller>();
foreach (var installer in compRoot.Installers)
{
if (installer == null)
{
yield return(new ZenjectResolveException(
"Found null installer in properties of Composition Root"));
yield break;
}
if (installer.enabled)
{
installer.Container = container;
container.Bind <IInstaller>().To(installer);
}
allInstallers.AddRange(container.InstallInstallers());
Assert.That(!container.HasBinding <IInstaller>());
}
foreach (var error in container.ValidateResolve <IDependencyRoot>())
{
yield return(error);
}
// Also make sure we can fill in all the dependencies in the built-in scene
foreach (var monoBehaviour in compRoot.GetComponentsInChildren <MonoBehaviour>())
{
if (monoBehaviour == null)
{
// Be nice to give more information here
Log.Warn("Found null MonoBehaviour in scene");
continue;
}
foreach (var error in container.ValidateObjectGraph(monoBehaviour.GetType()))
{
yield return(error);
}
}
// Validate dynamically created object graphs
foreach (var installer in allInstallers)
{
foreach (var error in installer.ValidateSubGraphs())
{
yield return(error);
}
}
}
void Resolve()
{
InjectionHelper.InjectChildGameObjects(_container, gameObject);
if (_container.HasBinding <IDependencyRoot>())
{
_dependencyRoot = _container.Resolve <IDependencyRoot>();
_dependencyRoot.Start();
}
else
{
Debug.LogWarning("No dependency root found");
}
}
public static DiContainer CreateContainer(bool allowNullBindings, GameObject gameObj)
{
Assert.That(allowNullBindings || gameObj != null);
var container = new DiContainer();
container.AllowNullBindings = allowNullBindings;
container.Bind <IInstaller>().ToSingle <StandardUnityInstaller>();
container.Bind <GameObject>().To(gameObj)
.WhenInjectedInto <StandardUnityInstaller>();
container.InstallInstallers();
Assert.That(!container.HasBinding <IInstaller>());
foreach (var installer in GetGlobalInstallers())
{
FieldsInjecter.Inject(container, installer);
container.Bind <IInstaller>().To(installer);
container.InstallInstallers();
Assert.That(!container.HasBinding <IInstaller>());
}
return(container);
}
object ResolveFromType(
ResolveContext context, object injectable, InjectableInfo injectInfo)
{
if (_container.HasBinding(injectInfo.ContractType, context))
{
return(_container.Resolve(injectInfo.ContractType, context));
}
// If it's a list it might map to a collection
if (ReflectionUtil.IsGenericList(injectInfo.ContractType))
{
var subType = injectInfo.ContractType.GetGenericArguments().Single();
return(_container.ResolveMany(subType, context, injectInfo.Optional));
}
if (!injectInfo.Optional)
{
throw new ZenjectResolveException(
"Unable to find field with type '{0}' when injecting dependencies into '{1}'. \nObject graph:\n {2}"
.With(injectInfo.ContractType, injectable, _container.GetCurrentObjectGraph()));
}
return(null);
}
