/// <summary>
/// Adds the an instance to the dependencies.
/// </summary>
/// <param name="serviceType">Type of the service to add.</param>
/// <param name="instance">The instance of the service to add.</param>
/// <param name="lifetime">The lifetime for the registration.</param>
protected override void AddDependencyInstanceCore(Type serviceType, object instance, DependencyLifetime lifetime)
{
if (lifetime == DependencyLifetime.Transient)
{
return;
}
var binding = _kernel.GetBindings(serviceType).FirstOrDefault();
bool foundExistingBinding = (binding != null);
if (binding == null)
{
binding = CreateBinding(serviceType, lifetime);
_kernel.AddBinding(binding);
}
var builder = new BindingBuilder <object>(binding, _kernel);
if (lifetime == DependencyLifetime.PerRequest)
{
if (foundExistingBinding && binding.Target != BindingTarget.Method)
{
// A binding exists, but wasn't specified as an instance callback. Error!
throw new DependencyResolutionException("Cannot register an instance for a type already registered");
}
var store = GetStore();
var key = serviceType.GetKey();
store[key] = instance;
if (!foundExistingBinding)
{
store.GetContextInstances().Add(new ContextStoreDependency(key, instance, new ContextStoreDependencyCleaner(_kernel)));
}
builder.ToMethod(c =>
{
var ctxStore = GetStore();
return(ctxStore[serviceType.GetKey()]);
});
}
else if (lifetime == DependencyLifetime.Singleton)
{
builder.ToConstant(instance).InSingletonScope();
}
}