/// <summary>
/// Save the return data from invocation to cache
/// </summary>
/// <param name="methodExecutedContext"></param>
public override void OnMethodExecuted(MethodExecutedContext methodExecutedContext)
{
if (Duration > 0 && !methodExecutedContext.TryGet <bool>(Global.__flatwhite_outputcache_restored))
{
var key = methodExecutedContext.TryGet <string>(Global.__flatwhite_outputcache_key);
if (string.IsNullOrWhiteSpace(key))
{
return;
}
var cacheStore = methodExecutedContext.TryGet <ICacheStore>(Global.__flatwhite_outputcache_store);
var strategy = methodExecutedContext.TryGet <ICacheStrategy>(Global.__flatwhite_outputcache_strategy);
var cacheItem = new CacheItem
{
Key = key,
Data = methodExecutedContext.Result,
StoreId = cacheStore.StoreId,
StaleWhileRevalidate = StaleWhileRevalidate,
MaxAge = Duration,
CreatedTime = DateTime.UtcNow
};
CreatePhoenix(methodExecutedContext.Invocation, cacheItem);
var changeMonitors = strategy.GetChangeMonitors(methodExecutedContext.Invocation, methodExecutedContext.InvocationContext);
foreach (var mon in changeMonitors)
{
mon.CacheMonitorChanged += state =>
{
RefreshCache(key);
};
}
cacheStore.Set(key, cacheItem, DateTime.UtcNow.AddSeconds(Duration + StaleWhileRevalidate));
}
}
/// <summary>
/// Initializes the exception context with current <see cref="MethodExecutedContext" />
/// </summary>
/// <param name="exception"></param>
/// <param name="executedContext"></param>
public MethodExceptionContext(Exception exception, MethodExecutedContext executedContext)
{
Invocation = executedContext.Invocation;
MethodInfo = executedContext.MethodInfo;
InvocationContext = executedContext.InvocationContext;
Exception = exception;
_result = executedContext.Result;
_updateResult = r => executedContext.Result = r;
}
public virtual Task OnMethodExecutedAsync(MethodExecutedContext methodExecutedContext)
{
try
{
OnMethodExecuted(methodExecutedContext);
}
catch (Exception ex)
{
return(TaskHelpers.FromError(ex));
}
return(TaskHelpers.DefaultCompleted);
}
private void HandleSync(List <MethodFilterAttribute> filterAttributes, MethodExecutingContext methodExecutingContext)
{
Exception exception = null;
foreach (var f in filterAttributes)
{
try
{
if (methodExecutingContext.Result == null)
{
f.OnMethodExecuting(methodExecutingContext);
}
}
catch (Exception ex)
{
exception = ex;
break;
}
}
if (exception != null)
{
HandleException(new MethodExceptionContext(exception, methodExecutingContext));
exception = null;
}
filterAttributes.Reverse();
var methodExecutedContext = new MethodExecutedContext(methodExecutingContext);
foreach (var f in filterAttributes)
{
try
{
f.OnMethodExecuted(methodExecutedContext);
}
catch (Exception ex)
{
exception = ex;
break;
}
}
if (exception != null)
{
HandleException(new MethodExceptionContext(exception, methodExecutedContext));
}
if (methodExecutedContext.Result != null && typeof(void) != methodExecutedContext.Invocation.Method.ReturnType)
{
methodExecutedContext.Invocation.ReturnValue = methodExecutedContext.Result;
}
}
/// <summary>
/// This will be called via Reflection
/// </summary>
/// <typeparam name="TResult"></typeparam>
/// <param name="filterAttributes"></param>
/// <param name="methodExecutingContext"></param>
/// <param name="taskResultType"></param>
/// <returns></returns>
private async Task <TResult> HandleAsyncWithType <TResult>(List <MethodFilterAttribute> filterAttributes, MethodExecutingContext methodExecutingContext, Type taskResultType)
{
Exception exception = null;
foreach (var f in filterAttributes)
{
try
{
if (methodExecutingContext.Result == null)
{
await f.OnMethodExecutingAsync(methodExecutingContext).ConfigureAwait(false);
}
}
catch (Exception ex)
{
exception = ex;
break;
}
}
if (exception != null)
{
await HandleExceptionAsync(new MethodExceptionContext(exception, methodExecutingContext));
exception = null;
}
filterAttributes.Reverse();
var methodExecutedContext = new MethodExecutedContext(methodExecutingContext);
foreach (var f in filterAttributes)
{
try
{
await f.OnMethodExecutedAsync(methodExecutedContext).ConfigureAwait(false);
}
catch (Exception ex)
{
exception = ex;
break;
}
}
if (exception != null)
{
await HandleExceptionAsync(new MethodExceptionContext(exception, methodExecutedContext));
}
return(methodExecutedContext.Result != null ? (TResult)methodExecutedContext.Result : default(TResult));
}
private async Task HandleAsync(List <MethodFilterAttribute> filterAttributes, MethodExecutingContext methodExecutingContext)
{
Exception exception = null;
foreach (var f in filterAttributes)
{
try
{
await f.OnMethodExecutingAsync(methodExecutingContext).ConfigureAwait(false);
}
catch (Exception ex)
{
exception = ex;
break;
}
}
if (exception != null)
{
await HandleExceptionAsync(new MethodExceptionContext(exception, methodExecutingContext));
exception = null;
}
filterAttributes.Reverse();
var methodExecutedContext = new MethodExecutedContext(methodExecutingContext);
foreach (var f in filterAttributes)
{
try
{
await f.OnMethodExecutedAsync(methodExecutedContext).ConfigureAwait(false);
}
catch (Exception ex)
{
exception = ex;
break;
}
}
if (exception != null)
{
await HandleExceptionAsync(new MethodExceptionContext(exception, methodExecutedContext));
}
}
/// <summary>
/// Pop the current trace and print info
/// </summary>
/// <param name="methodExecutedContext"></param>
public override void OnMethodExecuted(MethodExecutedContext methodExecutedContext)
{
var traces = GetTraceContexts();
var trace = traces.Pop();
trace.Timer.Stop();
try
{
var invocation = methodExecutedContext.Invocation;
trace.Info.Insert(0, $"{" ".PadLeft(trace.CallLevel * 4)} {(invocation.Method.DeclaringType ?? invocation.TargetType).FullName}.{invocation.Method.Name} : {trace.Timer.ElapsedMilliseconds}ms\r\n");
}
finally
{
if (!trace.IsNested)
{
Global.Logger.Info("\r\n" + trace.Info);
}
}
}
/// <summary>
/// Revalidate cache async
/// </summary>
/// <param name="methodExecutedContext"></param>
/// <returns></returns>
public override Task OnMethodExecutedAsync(MethodExecutedContext methodExecutedContext)
{
var revalidateKeys = KeyFormats.Select(k => CacheKeyProvider.GetRevalidateKey(methodExecutedContext.Invocation, k)).ToList();
return(Global.RevalidateCachesAsync(revalidateKeys));
}
/// <summary>
/// Clear the cache with the provided revalidation keys
/// </summary>
/// <param name="methodExecutedContext"></param>
/// <returns></returns>
public override void OnMethodExecuted(MethodExecutedContext methodExecutedContext)
{
var revalidatedKeys = KeyFormats.Select(k => CacheKeyProvider.GetRevalidateKey(methodExecutedContext.Invocation, k)).ToList();
Global.RevalidateCaches(revalidatedKeys);
}
public virtual void OnMethodExecuted(MethodExecutedContext methodExecutedContext)
{
}
