/// <summary>
/// Resolve an instance based on context, binding and service
/// </summary>
/// <param name="context"><see cref="IComponentContext"/> to resolve from</param>
/// <param name="binding"><see cref="Binding"/> to resolve</param>
/// <param name="service"><see cref="Type">Service type</see> asked for</param>
/// <returns>Resolved instance</returns>
public object Resolve(IComponentContext context, Binding binding, Type service)
{
lock (_instancesPerKey)
{
var key = _tenantKeyCreator.GetKeyFor(
binding,
service);
if (_instancesPerKey.ContainsKey(key)) return _instancesPerKey[key];
object instance = null;
switch (binding.Strategy)
{
case Strategies.Type type:
instance = _activator.CreateInstanceFor(context, binding.Service, type.Target);
break;
case Strategies.Constant constant:
instance = constant.Target;
break;
case Strategies.Callback callback:
instance = callback.Target();
break;
case Strategies.TypeCallback typeCallback:
var typeFromCallback = typeCallback.Target();
instance = _activator.CreateInstanceFor(context, binding.Service, typeFromCallback);
break;
}
_instancesPerKey[key] = instance;
return instance;
}
}