/// <summary>
/// Prepares the proxy.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="proxyOptions">The proxy options.</param>
private static void PrepareProxy <T>(AopProxyOptions proxyOptions)
where T : class
{
if (proxyOptions != null)
{
var type = typeof(T);
var typeName = string.Format("{0}AopProxy", type.Name);
try
{
//var aopAttribute = type.GetCustomAttribute<BaseAOPAttribute>(true);
//proxyOptions.MethodInjectionDelegates = aopAttribute?.MethodInjectionDelegates ?? proxyOptions.MethodInjectionDelegates;
var generator = new AopProxyGenerator <T>(string.Format(ProxyNamespaceFormat, type.Namespace), typeName);
var code = generator.GenerateCode();
code.CheckEmptyString(nameof(code));
TempAssemblyProvider assemblyProvider = new TempAssemblyProvider();
assemblyProvider.CreateTempAssembly(code.AsArray(), TempAssemblyProvider.GetCurrentAppDomainAssemblyLocations());
proxyOptions.ProxiedType = ReflectionExtension.SmartGetType(typeName);
}
catch (Exception ex)
{
throw new Beyova.Diagnostic.InitializationFailureException(typeName, ex, minor: "AopProxyGeneration", data: new { type = type?.FullName });
}
}
}
/// <summary>
/// As the aop interface proxy.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="instance">The instance.</param>
/// <param name="reuseInstance">if set to <c>true</c> [reuse instance].</param>
/// <param name="injectionDelegates">The injection delegates.</param>
/// <returns></returns>
private static object InternalAsAopInterfaceProxy <T>(this T instance, bool reuseInstance, MethodInjectionDelegates injectionDelegates)
where T : class
{
var type = typeof(T);
object proxiedInstance = null;
try
{
instance.CheckNullObject(nameof(instance));
if (!proxyOptionsCollection.ContainsKey(type))
{
lock (locker)
{
if (!proxyOptionsCollection.ContainsKey(type))
{
AopProxyOptions proxyOptions = new AopProxyOptions
{
Instance = instance,
MethodInjectionDelegates = injectionDelegates
};
PrepareProxy <T>(proxyOptions);
proxyOptionsCollection.Add(type, proxyOptions);
proxiedInstance = CreateInstance(proxyOptions, instance);
proxyInstances[type] = proxiedInstance;
return(type.IsInterface ? proxiedInstance as T : proxiedInstance);
}
}
}
return((reuseInstance ? proxyInstances[type] : CreateInstance(proxyOptionsCollection[type], instance)) as T);
}
catch (Exception ex)
{
throw ex.Handle(new { T = type.FullName });
}
}
/// <summary>
/// Creates the instance.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="proxyOptions">The proxy options.</param>
/// <param name="instance">The instance.</param>
/// <returns>System.Object.</returns>
private static object CreateInstance <T>(AopProxyOptions proxyOptions, T instance)
where T : class
{
return((proxyOptions != null && instance != null) ? Activator.CreateInstance(proxyOptions.ProxiedType, instance, proxyOptions.MethodInjectionDelegates) : null);
}