public override void ProcessModel(IKernel kernel, ComponentModel model)
{
if (_metaStore == null)
{
_metaStore = kernel.Resolve <TransactionMetaInfoStore>();
}
if (IsMarkedWithTransactional(model.Configuration))
{
base.ProcessModel(kernel, model);
}
else
{
AssertThereNoTransactionOnConfig(model);
ConfigureBasedOnAttributes(model);
}
Validate(model, _metaStore);
AddTransactionInterceptorIfIsTransactional(model, _metaStore);
}
private void Validate(ComponentModel model, TransactionMetaInfoStore store)
{
if (model.Services.Count() == 0 || model.Services.All(o => o.IsInterface))
{
return;
}
TransactionMetaInfo meta = store.GetMetaFor(model.Implementation);
if (meta == null)
{
return;
}
ArrayList problematicMethods = new ArrayList();
foreach (MethodInfo method in meta.Methods)
{
if (!method.IsVirtual)
{
problematicMethods.Add(method.Name);
}
}
if (problematicMethods.Count != 0)
{
string[] methodNames = (string[])problematicMethods.ToArray(typeof(string));
string message = string.Format("The class {0} wants to use transaction interception, " +
"however the methods must be marked as virtual in order to do so. Please correct " +
"the following methods: {1}", model.Implementation.FullName,
string.Join(", ", methodNames));
throw new FacilityException(message);
}
}
private static void AddTransactionInterceptorIfIsTransactional(ComponentModel model, TransactionMetaInfoStore store)
{
TransactionMetaInfo meta = store.GetMetaFor(model.Implementation);
if (meta == null)
{
return;
}
model.Dependencies.Add(new DependencyModel(null, typeof(TransactionInterceptor), false));
model.Interceptors.AddFirst(new InterceptorReference("eventsourcing.transaction.interceptor"));
}
/// <summary>
/// Initializes a new instance of the <see cref="TransactionInterceptor"/> class.
/// </summary>
/// <param name="kernel">The kernel.</param>
/// <param name="infoStore">The info store.</param>
public TransactionInterceptor(IKernel kernel, TransactionMetaInfoStore infoStore, ILoggerFactory loggerFactory)
{
this._kernel = kernel;
this._infoStore = infoStore;
this._logger = loggerFactory.Create("EventSourcing.TransactionInterceptor");
}