public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF HowLong(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect, ILogger logger,
Action invokeThisAfterLogedStartMessage, string startMessage, string endMessage)
{
return(aspect.Combine(work =>
{
Stopwatch watch = new Stopwatch();
watch.Start();
logger.Info(startMessage);
aspect.TrapLog().Do(invokeThisAfterLogedStartMessage);
try
{
work();
}
finally
{
watch.Stop();
TimeSpan duration = watch.Elapsed;
logger.Info(string.Format(endMessage, duration.TotalMilliseconds,
duration.TotalSeconds, duration.TotalMinutes, duration.TotalHours,
duration.TotalDays));
}
}));
}
private static void Cache <TReturnType>(LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect, ICacheWrapper cacheResolver,
string key, Action work, Func <TReturnType, TReturnType> foundInCache)
{
TReturnType cachedData = cacheResolver.Get <TReturnType>(key);
if (cachedData == null)
{
GetListFromSource <TReturnType>(aspect, cacheResolver, key);
}
else
{
// Give caller a chance to shape the cached item before it is returned
TReturnType cachedType = foundInCache(cachedData);
if (cachedType == null)
{
GetListFromSource <TReturnType>(aspect, cacheResolver, key);
}
else
{
aspect.WorkDelegate = new Func <TReturnType>(() => cachedType);
}
}
work();
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF RunAsync(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect, Action completeCallback)
{
return(aspect.Combine(work => work.BeginInvoke(asyncresult =>
{
work.EndInvoke(asyncresult); completeCallback();
}, null)));
}
public static TReturnType Use <TReturnType>(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect, TReturnType item, Action <TReturnType> action)
{
return(aspect.Return(() =>
{
action(item);
return item;
}));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF Delay(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect, int milliseconds)
{
return(aspect.Combine(work =>
{
System.Threading.Thread.Sleep(milliseconds);
work();
}));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF Log(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect, ILogger logger,
string logMessage, params object[] arg)
{
return(aspect.Combine(work =>
{
logger.Info(string.Format(logMessage, arg));
work();
}));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF While(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect, Func <bool> test)
{
return(aspect.Combine(work =>
{
while (test())
{
work();
}
}));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF WhenTrue(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect, params Func <bool>[] conditions)
{
return(aspect.Combine(work =>
{
if (conditions.Any(condition => !condition()))
{
return;
}
work();
}));
}
private static void GetListFromSource <TReturnType>(LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect, ICacheWrapper cacheResolver,
string key)
{
var workDelegate = aspect.WorkDelegate as Func <TReturnType>;
if (workDelegate != null)
{
TReturnType realObject = workDelegate();
cacheResolver.Save(key, realObject);
workDelegate = () => realObject;
}
aspect.WorkDelegate = workDelegate;
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF TrapLog(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect, ILogger logger, Action <Exception> errorhandler)
{
return(aspect.Combine(work =>
{
try
{
work();
}
catch (Exception x)
{
Let.Us.TrapLog().Do(() => errorhandler.Invoke(x));
}
}));
}
///<summary>
/// Transaction
/// (The "Distributed Transaction Coordinator" service must be started)
///</summary>
///<param name="aspect"></param>
///<param name="transactionScopeOption"></param>
///<param name="transactionOptions"></param>
///<param name="complete"></param>
///<returns></returns>
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF Transaction(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect, TransactionScopeOption transactionScopeOption, TransactionOptions transactionOptions, bool complete = true)
{
return(aspect.Combine(work =>
{
using (var scope = new TransactionScope(transactionScopeOption, transactionOptions))
{
work();
if (complete)
{
scope.Complete();
}
}
}));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF TrapLog(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect, ILogger logger)
{
return(aspect.Combine(work =>
{
try
{
work();
}
catch (Exception x)
{
logger.Error(x);
}
}));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF TrapLogThrow(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect, Action <Exception> errorhandler)
{
return(aspect.Combine(work =>
{
try
{
work();
}
catch (Exception x)
{
errorhandler.Invoke(x);
throw;
}
}));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF Log(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect, ILogger logger,
Action beforeAction, Action afterAction)
{
return(aspect.Combine(work =>
{
try
{
Let.Us.TrapLog().Do(beforeAction);
Let.Us.TrapLogThrow().Do(work);
}
finally
{
Let.Us.TrapLog().Do(afterAction);
}
}));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF Log(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect, ILogger logger,
string beforeMessage, string afterMessage)
{
return(aspect.Combine(work =>
{
bool hasError = true;
try
{
logger.Info(beforeMessage);
Let.Us.Do(work);
hasError = false;
}
finally
{
afterMessage = hasError
? afterMessage + "(Error Occured !!!)"
: afterMessage;
logger.Info(afterMessage);
}
}));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF HowLong(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect, Action <TimeSpan> onSuccessHandler, Action <TimeSpan, Exception> onFailHandler, Action <Exception> onErrorhandler = null)
{
var retValue = aspect.Combine(work =>
{
Stopwatch watch = new Stopwatch();
watch.Start();
var errorOccured = false;
Exception exc = null;
try
{
work();
}
catch (Exception exception)
{
exc = exception;
errorOccured = true;
onErrorhandler?.Invoke(exception);
}
finally
{
watch.Stop();
TimeSpan duration = watch.Elapsed;
if (errorOccured)
{
onFailHandler(duration, exc);
}
else
{
onSuccessHandler(duration);
}
}
});
return(retValue);
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF RunAsync(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect)
{
return(aspect.Combine(work => work.BeginInvoke(work.EndInvoke, null)));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF Retry(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspects, int retryDuration, ILogger logger)
{
return(aspects.Combine(work =>
Retry(retryDuration, 1, error => DoNothing(error), x => DoNothing(), work, logger)));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF Retry(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspects, int retryDuration,
int retryCount, Action <Exception> errorHandler, ILogger logger)
{
return(aspects.Combine(work =>
Retry(retryDuration, retryCount, errorHandler, x => DoNothing(), work, logger)));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF TrapLog(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect, Action <Exception> errorhandler)
{
return(TrapLog(aspect, Let.Logger(), errorhandler));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF Expected <TException>(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect)
where TException : Exception
{
return(aspect.Combine(work =>
{
try
{
work();
}
catch (TException x)
{
Debug.WriteLine(x.ToString());
}
}));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF CacheRetry <TReturnType>(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect,
ICacheWrapper cacheResolver,
ILogger logger,
string key)
{
return(aspect.Combine(work =>
{
try
{
Cache <TReturnType>(aspect, cacheResolver, key, work, cached => cached);
}
catch (Exception x)
{
logger.Error(x);
System.Threading.Thread.Sleep(1000);
//Retry
try
{
Cache <TReturnType>(aspect, cacheResolver, key, work, cached => cached);
}
catch (Exception ex)
{
logger.Error(ex);
throw;
}
}
}));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF CacheRetry <TReturnType>(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect,
string key)
{
return(CacheRetry <TReturnType>(aspect, Let.Cache(), Let.Logger(), key));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF CacheList <TItemType, TListType>(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect,
string listCacheKey, Func <TItemType, string> getItemKey)
where TListType : IList <TItemType>, new()
{
return(CacheList <TItemType, TListType>(aspect, Let.Cache(), listCacheKey, getItemKey));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF CacheList <TItemType, TListType>(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect,
ICacheWrapper cacheResolver, string listCacheKey, Func <TItemType, string> getItemKey)
where TListType : IList <TItemType>, new()
{
return(aspect.Combine(work =>
{
var workDelegate = aspect.WorkDelegate as Func <TListType>;
// Replace the actual work delegate with a new delegate so that
// when the actual work delegate returns a collection, each item
// in the collection is stored in cache individually.
Func <TListType> newWorkDelegate = () =>
{
if (workDelegate != null)
{
TListType collection = workDelegate();
foreach (TItemType item in collection)
{
string key = getItemKey(item);
cacheResolver.Save(key, item);
}
return collection;
}
return default(TListType);
};
aspect.WorkDelegate = newWorkDelegate;
// Get the collection from cache or real source. If collection is returned
// from cache, resolve each item in the collection from cache
Cache <TListType>(aspect, cacheResolver, listCacheKey, work,
cached =>
{
// Get each item from cache. If any of the item is not in cache
// then discard the whole collection from cache and reload the
// collection from source.
var itemList = new TListType();
foreach (TItemType cachedItem in cached.Select(item => cacheResolver.Get <TItemType>(getItemKey(item))))
{
if (null != cachedItem)
{
itemList.Add(cachedItem);
}
else
{
// One of the item is missing from cache. So, discard the
// cached list.
return default(TListType);
}
}
return itemList;
});
}));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF Cache <TReturnType>(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect,
ICacheWrapper cacheResolver, string key)
{
return(aspect.Combine(work => Cache <TReturnType>(aspect, cacheResolver, key, work, cached => cached)));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF TrapLogThrow(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspect)
{
return(TrapLogThrow(aspect, Let.Logger()));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF Retry(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspects, int retryDuration,
int retryCount, Action <Exception> errorHandler)
{
return(Retry(aspects, retryDuration, retryCount, errorHandler, Let.Logger()));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF Retry(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspects, int retryDuration,
int retryCount, Action <Exception> errorHandler, Action <IEnumerable <Exception> > retryFailed, ILogger logger)
{
return(aspects.Combine(work =>
Retry(retryDuration, retryCount, errorHandler, retryFailed, work, logger)));
}
public static LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF Retry(this LOGI.Framework.Toolkit.OpenSource.AspectF.AspectF aspects, int retryCount, int retryDuration = 500)
{
return(aspects.Combine(work =>
Retry(retryDuration, retryCount, x => DoNothing(), x => DoNothing(), work, Let.Logger())));
}