/// <summary>
/// Adds a binding pair.
/// </summary>
/// <param name="aspectRegistration">The interceptor.</param>
/// <param name="attributeType">Type of the attribute.</param>
internal void BindInterceptor(AspectRegistration aspectRegistration, Type attributeType)
{
aspectRegistration.TargetAttributeType = attributeType;
if (!_interceptorRegistrations.Contains(aspectRegistration))
{
_interceptorRegistrations.Add(aspectRegistration);
}
}
/// <summary>
/// Creates instance of <paramref name="aspectRegistration">interceptor</paramref> for given interceptor registration.
/// </summary>
/// <param name="aspectRegistration">Registration of interceptor, is built on aspect configuration build step</param>
/// <returns></returns>
public IAttributeInterceptor Create(AspectRegistration aspectRegistration)
{
// Assume interceptor type implements IAttributeInterceptor contract.
// This rule is enforced on aspect configuration build step
var interceptor = (IAttributeInterceptor)_container.GetInstance(aspectRegistration.InterceptorType);
// reassign target attribute and order properties from interception registration to actual interceptor instance
interceptor.TargetAttribute = aspectRegistration.TargetAttributeType;
interceptor.Order = aspectRegistration.Order;
return(interceptor);
}
/// <summary>
/// Creates instance of <paramref name="aspectRegistration">interceptor</paramref> for given interceptor registration
/// </summary>
/// <param name="aspectRegistration">Registration of interceptor, is built on aspect configuration build step</param>
/// <returns></returns>
public IAttributeInterceptor Create(AspectRegistration aspectRegistration)
{
// Assume interceptor type implements IAttributeInterceptor contract and has parameterless constructor.
// This rule is enforced on aspect configuration build step
var interceptor = (IAttributeInterceptor)Activator.CreateInstance(aspectRegistration.InterceptorType);
// reassign target attribute and order properties from interception registration to actual interceptor instance
interceptor.TargetAttribute = aspectRegistration.TargetAttributeType;
interceptor.Order = aspectRegistration.Order;
return interceptor;
}
private IInterceptorCreationStrategy ResolveHowToCreateInterceptor(AspectRegistration aspectRegistration)
{
IInterceptorCreationStrategy strategy;
if (Container == null)
{
// when container is not specified, always use InstantiateInterceptorDirectlyCreationStrategy
// without considering AspectRegistration.KeptInContainer setting
strategy = new InstantiateInterceptorDirectlyCreationStrategy();
}
else if (aspectRegistration.KeptInContainer)
{
strategy = new ResolveInterceptorFromContainerCreationStrategy(Container);
}
else
{
strategy = new InstantiateInterceptorDirectlyCreationStrategy();
}
return(strategy);
}
private IInterceptorCreationStrategy ResolveHowToCreateInterceptor(AspectRegistration aspectRegistration)
{
IInterceptorCreationStrategy strategy;
if(Container == null)
{
// when container is not specified, always use InstantiateInterceptorDirectlyCreationStrategy
// without considering AspectRegistration.KeptInContainer setting
strategy = new InstantiateInterceptorDirectlyCreationStrategy();
}
else if (aspectRegistration.KeptInContainer)
{
strategy = new ResolveInterceptorFromContainerCreationStrategy(Container);
}
else
{
strategy = new InstantiateInterceptorDirectlyCreationStrategy();
}
return strategy;
}
