public TransactionMetaInfo CreateMetaFromType(Type implementation)
{
TransactionMetaInfo metaInfo = new TransactionMetaInfo();
PopulateMetaInfoFromType(metaInfo, implementation);
Register(implementation, metaInfo);
return(metaInfo);
}
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"));
}
public TransactionMetaInfo CreateMetaFromConfig(Type implementation, IList <MethodInfo> methods, IConfiguration config)
{
TransactionMetaInfo metaInfo = GetMetaFor(implementation);
if (metaInfo == null)
{
metaInfo = new TransactionMetaInfo();
}
foreach (MethodInfo method in methods)
{
metaInfo.Add(method, new TransactionAttribute());
}
Register(implementation, metaInfo);
return(metaInfo);
}
private static void PopulateMetaInfoFromType(TransactionMetaInfo metaInfo, Type implementation)
{
if (implementation == typeof(object) || implementation == typeof(MarshalByRefObject))
{
return;
}
MethodInfo[] methods = implementation.GetMethods(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly);
foreach (MethodInfo method in methods)
{
object[] atts = method.GetCustomAttributes(typeof(TransactionAttribute), true);
if (atts.Length != 0)
{
metaInfo.Add(method, atts[0] as TransactionAttribute);
}
}
PopulateMetaInfoFromType(metaInfo, implementation.BaseType);
}
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);
}
}
/// <summary>
/// Sets the intercepted component's ComponentModel.
/// </summary>
/// <param name="target">The target's ComponentModel</param>
public void SetInterceptedComponentModel(ComponentModel target)
{
_metaInfo = _infoStore.GetMetaFor(target.Implementation);
}
/// <summary>
/// Sets the intercepted component's ComponentModel.
/// </summary>
/// <param name="target">The target's ComponentModel</param>
public void SetInterceptedComponentModel(ComponentModel target)
{
_metaInfo = _infoStore.GetMetaFor(target.Implementation);
}
private void Register(Type implementation, TransactionMetaInfo metaInfo)
{
_type2MetaInfo[implementation] = metaInfo;
}
