private object Activate(IEnumerable <Parameter> parameters, out object decoratorTarget)
{
ComponentRegistration.RaisePreparing(this, ref parameters);
var resolveParameters = parameters as Parameter[] ?? parameters.ToArray();
try
{
decoratorTarget = _newInstance = ComponentRegistration.Activator.ActivateInstance(this, resolveParameters);
ComponentRegistration.RaiseActivating(this, resolveParameters, ref _newInstance);
_newInstance = InstanceDecorator.TryDecorateRegistration(
_service,
ComponentRegistration,
_newInstance,
_activationScope,
resolveParameters);
}
catch (ObjectDisposedException)
{
throw;
}
catch (Exception ex)
{
throw PropagateActivationException(this.ComponentRegistration.Activator, ex);
}
if (ComponentRegistration.Ownership == InstanceOwnership.OwnedByLifetimeScope)
{
// The fact this adds instances for disposal agnostic of the activator is
// important. The ProvidedInstanceActivator will NOT dispose of the provided
// instance once the instance has been activated - assuming that it will be
// done during the lifetime scope's Disposer executing.
if (decoratorTarget is IDisposable instanceAsDisposable)
{
_activationScope.Disposer.AddInstanceForDisposal(instanceAsDisposable);
}
else if (decoratorTarget is IAsyncDisposable asyncDisposableInstance)
{
_activationScope.Disposer.AddInstanceForAsyncDisposal(asyncDisposableInstance);
}
}
if (_newInstance != decoratorTarget)
{
ComponentRegistration.RaiseActivating(this, resolveParameters, ref _newInstance);
}
return(_newInstance);
}
public object Execute()
{
if (_executed)
{
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, ComponentActivationResources.ActivationAlreadyExecuted, this.ComponentRegistration));
}
_executed = true;
object?decoratorTarget = null;
var sharing = _decoratorTargetComponent != null
? _decoratorTargetComponent.Sharing
: ComponentRegistration.Sharing;
var resolveParameters = Parameters as Parameter[] ?? Parameters.ToArray();
if (!_activationScope.TryGetSharedInstance(ComponentRegistration.Id, out _newInstance))
{
_newInstance = sharing == InstanceSharing.Shared
? _activationScope.CreateSharedInstance(ComponentRegistration.Id, () => CreateInstance(Parameters))
: CreateInstance(Parameters);
}
decoratorTarget = _newInstance;
_newInstance = InstanceDecorator.TryDecorateRegistration(
_service,
ComponentRegistration,
_newInstance,
_activationScope,
resolveParameters);
if (_newInstance != decoratorTarget)
{
ComponentRegistration.RaiseActivating(this, resolveParameters, ref _newInstance);
}
var handler = InstanceLookupEnding;
handler?.Invoke(this, new InstanceLookupEndingEventArgs(this, NewInstanceActivated));
StartStartableComponent(decoratorTarget);
return(_newInstance);
}
private object Activate(IEnumerable <Parameter> parameters, out object decoratorTarget)
{
ComponentRegistration.RaisePreparing(this, ref parameters);
var resolveParameters = parameters as Parameter[] ?? parameters.ToArray();
try
{
decoratorTarget = _newInstance = ComponentRegistration.Activator.ActivateInstance(this, resolveParameters);
_newInstance = InstanceDecorator.TryDecorateRegistration(
ComponentRegistration,
_newInstance,
_activationScope,
resolveParameters);
}
catch (Exception ex)
{
throw new DependencyResolutionException(String.Format(CultureInfo.CurrentCulture, ComponentActivationResources.ErrorDuringActivation, this.ComponentRegistration), ex);
}
if (ComponentRegistration.Ownership == InstanceOwnership.OwnedByLifetimeScope)
{
// The fact this adds instances for disposal agnostic of the activator is
// important. The ProvidedInstanceActivator will NOT dispose of the provided
// instance once the instance has been activated - assuming that it will be
// done during the lifetime scope's Disposer executing.
if (decoratorTarget is IDisposable instanceAsDisposable)
{
_activationScope.Disposer.AddInstanceForDisposal(instanceAsDisposable);
}
}
ComponentRegistration.RaiseActivating(this, resolveParameters, ref _newInstance);
return(_newInstance);
}