/// <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)
{
if (input == null)
{
throw new ArgumentNullException("input");
}
if (getNext == null)
{
throw new ArgumentNullException("getNext");
}
//执行验证操作；
var tempMethod = input.MethodBase as System.Reflection.MethodInfo;
var targetType = tempMethod.DeclaringType;
var targetName = input.Target.GetType().Name.TrimStart('I').Replace("Querier", "").Replace("Repository", "").Replace("AppService", "");
//TODO...
//执行业务规则
IList <object> bussinessRules = RuleHandlerContainer.GetRuleHandlers(targetType, tempMethod.Name, targetName);
if (bussinessRules.Count == 0)
{
return(getNext().Invoke(input, getNext));
}
try
{
bool flag = (bool)RuleHandlerInvoker.Invoke(bussinessRules[0], null);
if (flag)
{
return(getNext().Invoke(input, getNext));
}
else
{
return(new VirtualMethodReturn(input, new Exception(string.Format("无法执行该操作,错误原因:{0}", "未知"))));
}
}
catch (Exception ex)
{
return(new VirtualMethodReturn(input, new Exception(string.Format("无法执行该操作,错误原因:{0}", ex.Message))));
}
}
/// <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>
/// <exception cref="System.ArgumentNullException">
/// input
/// or
/// getNext
/// </exception>
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
if (input == null)
{
throw new ArgumentNullException("input");
}
if (getNext == null)
{
throw new ArgumentNullException("getNext");
}
//执行验证操作；
var tempMethod = input.MethodBase as System.Reflection.MethodInfo;
////当方法没有返回值时 不许做任何的验证操作
//if (tempMethod.ReturnType == null)
// return getNext().Invoke(input, getNext);
var inputParameterCollection = input.Inputs;
var arguments = input.Arguments;
//input.
//根据反射获取对象的成员信息
var realArguments = (object[])ReflectHelper.GetInstanceProperty(arguments, "arguments");
//预处理参数
//this.PrepareDealArguments(realArguments);
if (inputParameterCollection.Count == 0)
{
return(getNext().Invoke(input, getNext));
}
IList <ParameterInfo> parameterInfos = new List <ParameterInfo>();
//进行数据验证
this.ParseParameter(arguments, ref parameterInfos);
//this.ParseParameter(inputParameterCollection, ref parameterInfos);
#region 持久化规则验证
//进行业务逻辑验证
if (parameterInfos.Count == 0)
{
return(getNext().Invoke(input, getNext));
}
var targetName = input.Target.GetType().Name.TrimStart('I').Replace("Repository", "").Replace("AppService", "");
//TODO...
//执行业务规则
IList <object> bussinessRules = RuleHandlerContainer.GetRuleHandlers(parameterInfos[0].ParameterType, tempMethod.Name, targetName);
if (bussinessRules.Count == 0)
{
return(getNext().Invoke(input, getNext));
}
#endregion
bool flag = (bool)RuleHandlerInvoker.Invoke(bussinessRules[0], realArguments);
if (flag)
{
return(getNext().Invoke(input, getNext));
}
else
{
return(new VirtualMethodReturn(input, new Exception(string.Format("无法执行该操作,错误原因:{0}", "无法删除"))));
}
}
