public static void PushProxy(object proxy)
{
ProxyStack.Push(proxy);
}
/// <summary>
/// Method call wrapper that calls aspects and the intercepted method.
/// </summary>
/// <param name="actualMethodInvokerClosure">Intercepted method call wrapped in an interceptor's closure.</param>
protected void ExecuteMainSequence(Action actualMethodInvokerClosure)
{
if (this.isUsed)
{
throw new Exception("Same instance of the call interceptor cannot be used more than once.");
}
this.isUsed = true;
this.ReturnedValue = null;
this.MethodExecutionException = null;
this.MethodWasCalled = false;
try
{
#if DEBUG
if (ProxyStack.Any())
{
Debug.Assert(ProxyStack.Peek() != this);
}
#endif
ProxyStack.Push(this);
try
{
this.CheckForRequiredAspects();
this.Step_2_BeforeTryingMethodExec();
this.MethodWasCalled = true;
try
{
if (this.CancelInterceptedMethodCall)
{
// Returned result came from cache.
if (this.InterceptedMedthodCallFailed)
{
// Return cached exception.
this.Step_4_Optional_AfterCatchingMethodExecException();
throw this.MethodExecutionException;
}
}
else
{
// Retry loop
for (this.AttemptsMade = 1;; this.AttemptsMade++)
{
try
{
actualMethodInvokerClosure.Invoke(); // Step 3 (post-call returned result massaging) is called inside this closure.
this.Step_4_Optional_AfterSuccessfulCallCompletion();
if (this.ShouldRetryCall)
{
this.ShouldRetryCall = false;
}
else
{
break; // success - break retry loop.
}
}
catch (Exception ex)
{
this.MethodExecutionException = ex;
this.Step_4_Optional_AfterCatchingMethodExecException();
if (this.ShouldRetryCall)
{
this.MethodExecutionException = null;
this.ShouldRetryCall = false;
}
else
{
// No more call attempts - break the retry loop.
if (ex == this.MethodExecutionException)
{
throw;
}
throw this.MethodExecutionException;
}
}
} // retry loop
}
}
finally
{
this.Step_5_FinallyAfterMethodExecution();
}
}
finally
{
// Cleanup phase.
if (this.instanceCleanerFunc != null)
{
try
{
this.instanceCleanerFunc.Invoke(this.AugmentedClassInstance);
this.Step_6_Optional_AfterInstanceCleanup();
}
finally
{
if (this.AugmentedClassInstance is IInterceptionContext)
{
(this.AugmentedClassInstance as IInterceptionContext).Proxy = null;
}
}
}
this.Step_7_AfterEverythingSaidAndDone();
}
}
finally
{
Proxy top = ProxyStack.Pop();
Debug.Assert(top == this);
}
}
