public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
var stopwatch = new Stopwatch();
var logger = LogManager.GetLogger(input.MethodBase.ReflectedType);
var declaringType = input.MethodBase.DeclaringType;
var className = declaringType != null ? declaringType.Name : string.Empty;
var methodName = input.MethodBase.Name;
var generic = declaringType != null && declaringType.IsGenericType
? string.Format("<{0}>", string.Join<Type>(", ", declaringType.GetGenericArguments()))
: string.Empty;
var argumentWriter = new List<string>();
for (var i = 0; i < input.Arguments.Count; i++)
{
var argument = input.Arguments[i];
var argumentInfo = input.Arguments.GetParameterInfo(i);
argumentWriter.Add(argumentInfo.Name);
}
var methodCall = string.Format("{0}{1}.{2}\n{3}", className, generic, methodName, string.Join(",", argumentWriter));
logger.InfoFormat(@"Entering {0}", methodCall);
stopwatch.Start();
var returnMessage = getNext()(input, getNext);
stopwatch.Stop();
logger.InfoFormat(@"Exited {0} after {1}ms", methodName, stopwatch.ElapsedMilliseconds);
return returnMessage;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
/* Call the method that was intercepted */
string className = input.MethodBase.DeclaringType.Name;
string methodName = input.MethodBase.Name;
string generic = input.MethodBase.DeclaringType.IsGenericType ? string.Format("<{0}>", input.MethodBase.DeclaringType.GetGenericArguments().ToStringList()) : string.Empty;
string arguments = input.Arguments.ToStringList();
string preMethodMessage = string.Format("{0}{1}.{2}({3})", className, generic, methodName, arguments);
this.log.Debug("PreMethodCalling: " + preMethodMessage);
//Logging
this.log.Debug(preMethodMessage);
//Invoke method
IMethodReturn msg = null;
msg = getNext()(input, getNext);
//loggin exception
if (msg.Exception != null)
{
this.log.Error(msg.Exception);
}
//Post method calling
string postMethodMessage = string.Format("{0}{1}.{2}() -> {3}", className, generic, methodName, msg.ReturnValue);
this.log.Debug("PostMethodCalling: " + postMethodMessage);
//Logging
this.log.Debug(postMethodMessage);
return msg;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
if (!Thread.CurrentPrincipal.IsInRole("ADMIN"))
throw new SecurityException("Access Denied");
return getNext()(input, getNext);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
this.log.Debug("Before call to: {0}.{1}, parameters: {2}",
input.Target,
input.MethodBase.Name,
this.GetParameters(input));
var result = getNext()(input, getNext);
if (result.Exception != null)
{
this.log.Error("Exception while calling: {0}, parameters: {1}, ex: {2}",
input.MethodBase.Name,
this.GetParameters(input),
result.Exception);
}
else
{
this.log.Debug("Call finished: {0}, parameters: {1}, result: {2}",
input.MethodBase.Name,
this.GetParameters(input),
result.ReturnValue);
}
return result;
}
public IMethodReturn Invoke(IMethodInvocation input,
GetNextInterceptionBehaviorDelegate getNext)
{
// Before invoking the method on the original target.
WriteLog(String.Format(
"Invoking method {0} at {1}",
input.MethodBase, DateTime.Now.ToLongTimeString()));
// Invoke the next behavior in the chain.
var result = getNext()(input, getNext);
// After invoking the method on the original target.
if (result.Exception != null)
{
WriteLog(String.Format(
"Method {0} threw exception {1} at {2}",
input.MethodBase, result.Exception.Message,
DateTime.Now.ToLongTimeString()));
}
else
{
WriteLog(String.Format(
"Method {0} returned {1} at {2}",
input.MethodBase, result.ReturnValue,
DateTime.Now.ToLongTimeString()));
}
return result;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
var methodReturn = InvokeINotifyPropertyChangedMethod(input);
if (methodReturn != null)
{
return methodReturn;
}
methodReturn = getNext()(input, getNext);
if (methodReturn.Exception == null && input.MethodBase.IsSpecialName)
{
var property = GetPropertyInfoForSetMethod(input);
if (property != null)
{
var currentHandler = this.handler;
if (currentHandler != null)
{
try
{
currentHandler(input.Target, new PropertyChangedEventArgs(property.Name));
}
catch (Exception e)
{
return input.CreateExceptionMethodReturn(e);
}
}
}
}
return methodReturn;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
var className = input.Target.ToString().Split('.').Last();
var methodName = input.MethodBase.Name;
// Before invoking the method on the original target.
_log.Debug("{className}: {function} started.", className, methodName);
var timer = new Stopwatch();
timer.Start();
// Invoke the next behavior in the chain.
var result = getNext()(input, getNext);
timer.Stop();
// After invoking the method on the original target.
if (result.Exception != null)
{
_log.Warning("--- {className}: {function} threw exception {exception}.", className, methodName, result.Exception);
}
else
{
_log.Debug("--- {className}: {function} returned {returnValue}.", className, methodName, result);
}
_log.Information("--- {className}: {function} executed in {executionTime} (in Milliseconds).", className, methodName, timer.Elapsed.TotalMilliseconds);
return result;
}
/// <summary>
/// Implement this method to execute your behavior processing.
/// </summary>
/// <param name="input">Inputs to the current call to the target.</param>
/// <param name="getNext">Delegate to execute to get the next delegate in the behavior chain.</param>
/// <returns>Return value from the target.</returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
if (input.MethodBase == DoNothingMethod)
{
return ExecuteDoNothing(input);
}
return getNext()(input, getNext);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
if (!this.IsValidUser())
{
return input.CreateExceptionMethodReturn(new UnauthorizedAccessException("..."));
}
return getNext()(input, getNext);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
//检查参数是否存在
if (input == null)
throw new ArgumentNullException("input");
if (getNext == null)
throw new ArgumentNullException("getNext");
IMethodReturn methodReturn = null;
if (this.IsIntercption(input))
{
Debug.WriteLine("开始准备拦截调用");
this.BeforeInvoke(input);
Debug.WriteLine("开始执行调用");
methodReturn = this.ExcuteInvoke(input, getNext);
Debug.WriteLine("完成方法执行后调用");
this.AfterInvoke(input);
#region 组装-拦截消息IntercptionMessage
//IntercptionMessage message = new IntercptionMessage();
//message.Method = input.MethodBase as System.Reflection.MethodInfo;
//message.RealClassType = input.Target.GetType();
//System.Reflection.ParameterInfo[] parameterInfos = input.MethodBase.GetParameters();
//if (parameterInfos != null)
//{
// message.Parameters = new Dictionary<int, object>();
// int i = 0;
// foreach (var parameterInfo in parameterInfos)
// {
// i++;
// message.Parameters.Add(i, input.Arguments[parameterInfo.Name]);
// }
//}
//requestID = Guid.NewGuid().ToString();
////添加请求标识
//message.Parameters.Add(message.Parameters.Count + 1, requestID);
//message.Parameters.Add(message.Parameters.Count + 1, message.Method.ReturnType.FullName);
#endregion
//methodReturn= input.CreateMethodReturn(methodCallResult);
}
else
{
methodReturn= getNext()(input, getNext);
}
return methodReturn;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
this.LoggerService.LogVerbose(string.Format("Start method: {0} with params {1}", input.MethodBase.ToString(), string.Empty));
var result = getNext()(input, getNext);
if (result.Exception != null)
{
this.LoggerService.LogVerbose(result.Exception.ToString());
}
return(result);
}
public IMethodReturn Invoke(IMethodInvocation invocation,
GetNextInterceptionBehaviorDelegate getNext)
{
var attr = GetAttribute(invocation);
if (attr == null)
{
return(getNext()(invocation, getNext));
}
return(Invoke(() => getNext()(invocation, getNext), attr));
}
//一切正常的 刷个1
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
Console.WriteLine("LogAfterBehavior");
foreach (var item in input.Inputs)
{
Console.WriteLine(item.ToString());//反射获取更多信息
}
IMethodReturn methodReturn = getNext()(input, getNext);
Console.WriteLine("LogAfterBehavior" + methodReturn.ReturnValue);
return(methodReturn);
}
public IMethodReturn Invoke(IMethodInvocation input,
GetNextInterceptionBehaviorDelegate getNext)
{
IMethodReturn result;
if (ApplicationDbContext.applicationDbContext == null)
{
using (var context = new ApplicationDbContext())
{
ApplicationDbContext.applicationDbContext = context;
using (var dbContextTransaction = context.Database.BeginTransaction())
{
try
{
result = getNext()(input, getNext);
if (result.Exception != null)
{
throw result.Exception;
}
context.SaveChanges();
dbContextTransaction.Commit();
}
catch (NoEncontradoException e)
{
dbContextTransaction.Rollback();
ApplicationDbContext.applicationDbContext = null;
throw e;
}
catch (Exception e)
{
dbContextTransaction.Rollback();
ApplicationDbContext.applicationDbContext = null;
throw new Exception("He hecho rollback de la transaccion", e);
}
}
}
ApplicationDbContext.applicationDbContext = null;
}
else
{
result = getNext()(input, getNext);
if (result.Exception != null)
{
throw result.Exception;
}
}
return(result);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
this.LoggerService.LogVerbose(string.Format("Start method: {0} with params {1}", input.MethodBase.ToString(), string.Empty));
var result = getNext()(input, getNext);
if (result.Exception != null)
{
this.LoggerService.LogVerbose(result.Exception.ToString());
}
return result;
}
private IMethodReturn InterceptPropertySet(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
var propertyName = input.MethodBase.Name.Substring(4);
var returnValue = getNext()(input, getNext);
var subscribers = propertyChanged;
subscribers?.Invoke(input.Target, new PropertyChangedEventArgs(propertyName));
return(returnValue);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
var result = getNext()(input, getNext);
var mi = input.MethodBase as MethodInfo;
if ((mi != null)
&& (typeof(IEnumerable<ProductViewModel>).IsAssignableFrom(mi.ReturnType))
&& (result.ReturnValue == null))
{
result.ReturnValue = Enumerable.Empty<ProductViewModel>();
}
return result;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
Console.WriteLine("LogBeforeBehavior");
Console.WriteLine(input.MethodBase.Name);
foreach (var item in input.Inputs)
{
Console.WriteLine(Newtonsoft.Json.JsonConvert.SerializeObject(item));
//TODO: get more info by reflection and serialization
}
//return getNext().Invoke(input, getNext);//
return(getNext()(input, getNext)); // Equal to the line above
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
var result = getNext()(input, getNext);
if (result.Exception != null)
{
eventAggregator.GetEvent<SettingsExceptionEvent>().Publish(result.Exception);
logger.Log(result.Exception.ToString(), Category.Exception, Priority.None);
result.Exception = null;
}
return result;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
IMethodReturn methodReturn = getNext()(input, getNext);
Console.WriteLine($"{input.MethodBase.Name} LogAfterBehavior..Start.");
//foreach (var item in input.Inputs)
//{
// Console.WriteLine(Newtonsoft.Json.JsonConvert.SerializeObject(item));
//}
Console.WriteLine($"{input.MethodBase.Name} LogAfterBehavior.. End.");
return(methodReturn);
}
public virtual IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
using (TraceLog4Net trace = new TraceLog4Net(GetType(), input.Target.GetType(), input.MethodBase.Name))
{
GuardarLogActividad(input);
var result = getNext()(input, getNext);
if (result.Exception != null)
{
InterceptExceptions(result, input);
}
return(result);
}
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
IMethodReturn result = null;
if (input.MethodBase.Name == "Empty")
{
Console.WriteLine($"(VirtualLog)呼叫這個方法之前：{input.MethodBase.DeclaringType.Name}.{input.MethodBase.Name}");
result = getNext()(input, getNext);
Console.WriteLine($"(VirtualLog)呼叫這個方法之後：{input.MethodBase.DeclaringType.Name}{input.MethodBase.Name}");
return(result);
}
return(getNext()(input, getNext));
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
var result = getNext()(input, getNext);
var mi = input.MethodBase as MethodInfo;
if ((mi != null) &&
(typeof(IEnumerable <ProductViewModel>).IsAssignableFrom(mi.ReturnType)) &&
(result.ReturnValue == null))
{
result.ReturnValue = Enumerable.Empty <ProductViewModel>();
}
return(result);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
if (input.MethodBase.Name == "DoNothing")
{
return input.CreateMethodReturn(100);
}
if (input.MethodBase.Name == "DoNothing1")
{
return input.CreateMethodReturn(200);
}
return getNext()(input, getNext);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
IMethodReturn result = null;
if (input.MethodBase.Name == "Write")
{
Console.WriteLine($"(AppLog) Before：{input.MethodBase.DeclaringType.Name}.{input.MethodBase.Name}");
result = getNext()(input, getNext);
Console.WriteLine($"(AppLog) After：{input.MethodBase.DeclaringType.Name}{input.MethodBase.Name}");
return(result);
}
return(getNext()(input, getNext));
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
// 呼叫方法之前
Console.WriteLine("正要執行方法：" + input.MethodBase.Name);
// 呼叫方法
var result = getNext()(input, getNext);
// 呼叫方法之後
Console.WriteLine("方法執行完畢於：" + DateTime.Now.ToString());
return result;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
Console.WriteLine("检查当前用户的权限");
if (true)
{
Console.WriteLine("经检查当前用户拥有权限操作");
return(getNext()(input, getNext));//执行后面的全部动作
}
else
{
return(input.CreateExceptionMethodReturn(new Exception("没有权限")));
}
}
/// <summary>
/// Implement this method to execute your behavior processing.
/// </summary>
/// <param name="input">Inputs to the current call to the target.</param>
/// <param name="getNext">Delegate to execute to get the next delegate in the behavior chain.</param>
/// <returns>Return value from the target.</returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
if (_IAdditionalInterfaces.Exists(q => q == input.MethodBase.DeclaringType))
{
object[] __args = new object[input.Arguments.Count];
input.Arguments.CopyTo(__args, 0);
var __result = _action(input.MethodBase, input.Target, __args);
return(input.CreateMethodReturn(__result.Item1, __result.Item2));
//var __result = input.MethodBase.Invoke(input.Target, __args);
//return input.CreateMethodReturn(__result);
}
return(getNext()(input, getNext));
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
if (input.MethodBase.Name == "DoNothing")
{
return(input.CreateMethodReturn(100));
}
if (input.MethodBase.Name == "DoNothing1")
{
return(input.CreateMethodReturn(200));
}
return(getNext()(input, getNext));
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
Console.WriteLine("Check the authorization of the user role ");
if (true)
{
Console.WriteLine("The user pass the authorization check");
return(getNext()(input, getNext));
}
else
{
return(input.CreateExceptionMethodReturn(new Exception("Authorization check failed.")));
}
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
// 呼叫方法之前
Console.WriteLine("正要執行方法：" + input.MethodBase.Name);
// 呼叫方法
var result = getNext()(input, getNext);
// 呼叫方法之後
Console.WriteLine("方法執行完畢於：" + DateTime.Now.ToString());
return(result);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
// 呼叫方法之前
Console.WriteLine("2 before");
// 呼叫目標方法（被攔截的方法）
var result = getNext()(input, getNext);
// 呼叫方法之後
Console.WriteLine("2 after");
return(result);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
using (ProfilingSession.Current.Step($"[{this.GetType().Name}] {input.Target} - {input.MethodBase.Name}"))
{
Debug.WriteLine($"[{this.GetType().Name}] {input.Target} - {input.MethodBase.Name} 執行前");
var result = getNext()(input, getNext);
Debug.WriteLine($"[{this.GetType().Name}] {input.Target} - {input.MethodBase.Name} 執行後");
return(result);
}
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
IMethodReturn methodReturn = getNext()(input, getNext);//执行后面的全部动作
Console.WriteLine("LogAfterBehavior2");
//Console.WriteLine(input.MethodBase.Name);
//foreach (var item in input.Inputs)
//{
// Console.WriteLine(Newtonsoft.Json.JsonConvert.SerializeObject(item));
//}
//Console.WriteLine("LogAfterBehavior" + methodReturn.ReturnValue);
return(methodReturn);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
// 呼叫方法之前
Console.WriteLine("正要執行此方法：{0}", input.MethodBase.Name);
// 呼叫目標方法（被攔截的方法）
var result = getNext()(input, getNext);
// 呼叫方法之後
Console.WriteLine("正要離開此方法：{0}，時間：{1}", input.MethodBase.Name, DateTime.Now.ToString());
return(result);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
if ((HouseVisiter)input.Inputs[0] != HouseVisiter.Owner && input.MethodBase.Name.Equals("OpenTheDoor"))
{
Console.WriteLine("Illegal invasion");
}
if ((HouseVisiter)input.Inputs[0] == HouseVisiter.Owner && input.MethodBase.Name.Equals("BurnTheHouse"))
{
Console.WriteLine("The Houser-owner is crazy!");
}
return(getNext()(input, getNext));
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
var result = getNext()(input, getNext);
if (result.Exception != null)
{
var request = (HttpRequestMessage)input.Inputs[1];
result.ReturnValue = request.CreateErrorResponse(HttpStatusCode.BadRequest, result.Exception.Message);
result.Exception = null;
}
return(result);
}
/// <summary>
/// virtualなメソッドの呼び出しをラップする
/// </summary>
/// <param name="input"></param>
/// <param name="getNext"></param>
/// <returns></returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
ILog log = LogManager.GetLogger(input.MethodBase.DeclaringType);
log.Info($"# -> {input.MethodBase.Name}({string.Join(", ", input.Arguments.Cast<object>())})");
// この行でvirtualなメソッドが呼び出され、戻り値が返却される
var result = getNext()(input, getNext);
log.Info($"# <- {input.MethodBase.Name}, result: {result.ReturnValue}");
return(result);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
// 呼叫方法之前
Console.WriteLine("2 before");
// 呼叫目標方法（被攔截的方法）
var result = getNext()(input, getNext);
// 呼叫方法之後
Console.WriteLine("2 after");
return result;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
// 呼叫方法之前
Console.WriteLine("正要執行此方法：{0}", input.MethodBase.Name);
// 呼叫目標方法（被攔截的方法）
var result = getNext()(input, getNext);
// 呼叫方法之後
Console.WriteLine("正要離開此方法：{0}，時間：{1}", input.MethodBase.Name, DateTime.Now.ToString());
return result;
}
/// <summary>
/// Implement this method to execute your behavior processing.
/// </summary>
/// <param name="input">Inputs to the current call to the target.</param>
/// <param name="getNext">Delegate to execute to get the next delegate in the behavior chain.</param>
/// <returns>
/// Return value from the target.
/// </returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
var result = getNext()(input, getNext);
var logger = ServiceLocator.Current.GetInstance <ILogger>();
// Log exception if any thrown
if (result.Exception != null)
{
logger.LogException(result.Exception);
}
return(result);
}
public IMethodReturn Invoke(IMethodInvocation input,
GetNextInterceptionBehaviorDelegate getNext)
{
// Invoke the next behavior in the chain.
var result = getNext()(input, getNext);
// After invoking the method on the original target.
if (result.Exception != null)
{
Debug.Log( result.Exception.Message );
}
return result;
}
public IMethodReturn Invoke( IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext )
{
for ( var i = 0; i < input.Arguments.Count; i++ )
{
ParameterInfo parameterInfo = input.Arguments.GetParameterInfo( i );
var doubleBoundsAttribute = parameterInfo.GetCustomAttribute<ValidateValueAttribute>();
if ( doubleBoundsAttribute != null )
{
doubleBoundsAttribute.Validate( input.Inputs[i], parameterInfo.Name );
}
}
return getNext()( input, getNext );
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
for (var i = 0; i < input.Arguments.Count; i++)
{
ParameterInfo parameterInfo = input.Arguments.GetParameterInfo(i);
var doubleBoundsAttribute = parameterInfo.GetCustomAttribute <ValidateValueAttribute>();
if (doubleBoundsAttribute != null)
{
doubleBoundsAttribute.Validate(input.Inputs[i], parameterInfo.Name);
}
}
return(getNext()(input, getNext));
}
public IMethodReturn Invoke(
IMethodInvocation input,
GetNextInterceptionBehaviorDelegate getNext)
{
var result = getNext()(input, getNext);
if (result.Exception is CommunicationException
|| result.Exception is
InvalidOperationException)
{
this.AlertUser(result.Exception.Message);
return input.CreateMethodReturn(null);
}
return result;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
if (input.MethodBase.Name == "TargetMethod" || input.MethodBase.Name == "SecondTargetMethod" || input.MethodBase.Name == "ThirdTargetMethod")
{
PreCalled = "CalledC";
input.Inputs[0] = (string)input.Inputs[0] + "PreC";
IMethodReturn returnValue = getNext()(input, getNext);
input.Inputs[0] = (string)input.Inputs[0] + "PostC";
PostCalled = "CalledC";
return(returnValue);
}
return(getNext()(input, getNext));
}
/// <summary>
/// 通过实现此方法来拦截调用并执行所需的拦截行为。
/// </summary>
/// <param name="input">调用拦截目标时的输入信息。</param>
/// <param name="getNext">通过行为链来获取下一个拦截行为的委托。</param>
/// <returns>从拦截目标获得的返回信息。</returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
IMethodReturn retvalue = getNext()(input, getNext);
if (retvalue.Exception != null)
{
//记录异常的内容 比如Log4Net等
KM.Common.LogHelper.WriteError(retvalue.Exception.ToString());
#if !DEBUG
retvalue.Exception = null;
#endif
}
return(retvalue);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
if (_logger.IsLoggingEnabled)
{
ICollection <LogCategory> logCategories = LogCategoryHelper.GetCategoriesAttribute(input.MethodBase.DeclaringType);
string messageLog = string.Format("Invoking method {0} with this params {1}", input.MethodBase,
input.Arguments.ToString());
_logger.WriteDebug(new LogMessage(messageLog), logCategories);
}
var result = getNext()(input, getNext);
return(result);
}
/// <summary>
/// Implement this method to execute your behavior processing.
/// </summary>
/// <param name="input">Inputs to the current call to the target.</param>
/// <param name="getNext">Delegate to execute to get the next delegate in the behavior chain.</param>
/// <returns>
/// Return value from the target.
/// </returns>
/// <exception cref="System.NotImplementedException"></exception>
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
if (input.MethodBase.Name == "get_ChangeLog" && input.MethodBase.DeclaringType == typeof(IUnitOfWork))
{
return(input.CreateMethodReturn(ChangeLog.Values));
}
if (input.MethodBase.Name == "set_ChangeLog" && input.MethodBase.DeclaringType == typeof(IUnitOfWork))
{
IEnumerable <UnitOfWorkItem> items = input.Arguments[0] as IEnumerable <UnitOfWorkItem>;
ChangeLog.Clear();
if (items != null)
{
foreach (UnitOfWorkItem item in items)
{
ChangeLog.Add(item.PropertyName, item);
}
}
return(input.CreateMethodReturn(null));
}
IBaseEntity entity = (IBaseEntity)input.Target;
//Eine Statusänderung interessiert nur wenn das Objekt ungeändert oder verändert ist
if (entity.State == Common.Constants.Constants.EntityState.Unchanged || entity.State == Common.Constants.Constants.EntityState.Modified)
{
if (IsRelevantProperty(input))
{
var propertyName = input.MethodBase.Name.Substring(4);
object[] propertyIndex = input
.Arguments.Cast <object>()
.Where((a, index) => index < input.Arguments.Count - 1)
.ToArray();
object oldValue = input.Target.GetType().GetProperty(propertyName).GetValue(input.Target, propertyIndex);
object newValue = input.Arguments[input.Arguments.Count - 1];
if (oldValue != newValue)
{
input.Target.GetType().GetProperty("State").SetValue(input.Target, Common.Constants.Constants.EntityState.Modified);
AddToChangeLog(input, propertyName, entity);
}
}
}
return(getNext()(input, getNext));
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
String className = input.MethodBase.DeclaringType.FullName;
String methodName = input.MethodBase.Name;
var attrs = input.MethodBase.GetCustomAttributes(false);
if (attrs == null)
{
return(getNext()(input, getNext));
}
foreach (var item in attrs)
{
if (!(item is CacheAttribute))
{
continue;
}
else
{
CacheAttribute attr = item as CacheAttribute;
String keyParam = GetKeyParam(attr.CacheMethod, input.Inputs);
switch (attr.CacheMethod)
{
case CacheMethod.GetCollection:
var retValue = _cache.Get(attr.Key, methodName + "-" + keyParam);
if (retValue == null)
{
var getValue = getNext()(input, getNext);
_cache.Add(attr.Key, methodName + "-" + keyParam, getValue);
return(getValue);
}
else
{
//var args = new object[input.Arguments.Count];
//input.Arguments.CopyTo(args, 0);
//return new VirtualMethodReturn(input, retValue, args);
return((IMethodReturn)retValue);
}
case CacheMethod.RemoveCollection:
_cache.Remove(attr.Key);
break;
default: break;
}
break;
}
}
return(getNext()(input, getNext));
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
_logger.Log(string.Format("Interceptor->Before running {0}", BuildMethodSignature(input)));
var result = getNext()(input, getNext);
if (result.Exception != null)
{
_logger.Error(result.Exception);
}
else
{
_logger.Log(string.Format("Interceptor->After running {0}", BuildMethodSignature(input)));
}
return result;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
// Before invoking the method on the original target.
WriteLog($"Invoking method {input.MethodBase} at {DateTime.Now.ToLongTimeString()}");
// Invoke the next behavior in the chain.
var result = getNext()(input, getNext);
// After invoking the method on the original target.
WriteLog(
result.Exception != null
? $"Method {input.MethodBase} threw exception {result.Exception.Message} at {DateTime.Now.ToLongTimeString()}"
: $"Method {input.MethodBase} returned {result.ReturnValue} at {DateTime.Now.ToLongTimeString()}");
return result;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
IMethodReturn result = null;
Type exceptionHandler = VerifyEspecificHandler(input);
result = getNext().Invoke(input, getNext);
if (result.Exception != null)
{
if (exceptionHandler == null)
{
ExceptionHandler excepManager = new DefaultExceptionHandler();
Type defaultHandler = this.context.Resolve(typeof(ExceptionHandler));
if (defaultHandler != null)
{
excepManager = (ExceptionHandler)Activator.CreateInstance(defaultHandler);
}
excepManager.Handle(result.Exception);
}
else
{
ExceptionHandler exHandler = (ExceptionHandler)Activator.CreateInstance(exceptionHandler);
exHandler.Handle(result.Exception);
exHandler = null;
}
}
result.Exception = null;
return result;
}
/// <summary>
/// Implement this method to execute your behavior processing.
/// </summary>
/// <param name="input">
/// Inputs to the current call to the target.
/// </param>
/// <param name="getNext">
/// Delegate to execute to get the next delegate in the behavior chain.
/// </param>
/// <returns>
/// Return value from the target.
/// </returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
IMethodReturn methodReturn;
try
{
Stopwatch stopwatch;
string className;
string methodName;
className = input.MethodBase.DeclaringType.Name;
methodName = input.MethodBase.Name;
stopwatch = new Stopwatch();
stopwatch.Start();
methodReturn = getNext()(input, getNext);
stopwatch.Stop();
Debug.WriteLine(string.Format("Executing on object {0} method {1} took: {2}ms", className, methodName, stopwatch.ElapsedMilliseconds));
}
catch (Exception exception)
{
throw;
}
return methodReturn;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
this.source.TraceInformation(
"Invoking {0}",
input.MethodBase.ToString());
IMethodReturn methodReturn = getNext().Invoke(input, getNext);
if (methodReturn.Exception == null)
{
this.source.TraceInformation(
"Successfully finished {0}",
input.MethodBase.ToString());
}
else
{
this.source.TraceInformation(
"Finished {0} with exception {1}: {2}",
input.MethodBase.ToString(),
methodReturn.Exception.GetType().Name,
methodReturn.Exception.Message);
}
this.source.Flush();
return methodReturn;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
IMethodReturn result = null;
if (input.MethodBase.IsDefined(typeof(RequiresTransactionAttribute), true))
{
try
{
transactionManager.OpenTransaction();
this.transactionManager.Connection.QueryFileKey = this.context.GetQueryFile();
this.FindAndInjectDataAccessProperties(input);
result = getNext().Invoke(input, getNext);
if (result.Exception != null){
throw result.Exception;
}
transactionManager.Commit();
}
catch (Exception)
{
transactionManager.Rollback();
throw;
}
finally
{
transactionManager.Release();
}
}
else
{
result = getNext().Invoke(input, getNext); //proceed
}
return result;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
//execute the next chain
var result = getNext().Invoke(input, getNext);
//if the method name is Create
if (input.MethodBase.Name == "Create")
{
//let's get the generic argument for Create i.e. T in Create<T>
var interfaceType = input.MethodBase.GetGenericArguments()[0];
//set up ourlifetime to be controlled by the target object's disposed event
var lifeTime = new ExternallyControlledLifetimeManager();
var target = (IMockRepository)input.Target;
target.Disposed += (s, e) => lifeTime.RemoveValue();
//let's get our mock object
var obj = result.ReturnValue as Mock;
//let's register our mock with the container.
if (obj != null && obj.Object != null)
{
_container.RegisterInstance(interfaceType, obj.Object, lifeTime);
}
}
return result;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
_appLogger.Log(String.Format("Invoking method {0} at {1}", input.MethodBase, DateTime.Now.ToLongTimeString()));
var result = getNext()(input, getNext);
if (result.Exception != null)
_appLogger.Log(String.Format("Method {0} threw exception {1} at {2}", input.MethodBase, result.Exception.Message, DateTime.Now.ToLongTimeString()));
else
{
var returnValue = JsonConvert.SerializeObject(result.ReturnValue);
_appLogger.Log(String.Format("Method {0} returned {1} at {2}", input.MethodBase, returnValue, DateTime.Now.ToLongTimeString()));
}
return result;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
SLog.Red($"In LoggerInterceptionBehavor - Before executing {input.MethodBase}");
var res = getNext()(input, getNext);
if (res.Exception == null)
{
SLog.Red($"In LoggerInterceptionBehavor - After executing {input.MethodBase}");
}
else
{
SLog.Red($"In LoggerInterceptionBehavor - Exception {res.Exception.Message} executing {input.MethodBase}");
}
return res;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
Console.WriteLine("Before: {0}", input.MethodBase.Name);
var returnMethod = getNext().Invoke(input, getNext);
returnMethod.ReturnValue = (int)returnMethod.ReturnValue*2;
Console.WriteLine("After: {0}", input.MethodBase.Name);
return returnMethod;
}
