public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
IMethodReturn returnValue = null;
//顺序执行
returnValue = getNext()(input, getNext);
//若符合要求
if (input.MethodBase is MethodInfo && (input.MethodBase as MethodInfo).ReturnType == typeof(bool))
{
//根据异常状态设置返回值
if (null != returnValue.Exception)
{
returnValue.ReturnValue = true;
}
else
{
returnValue.ReturnValue = false;
}
//设置返回值类型
returnValue = CustomMethodReturn.PrepareCustomReturn(input, returnValue);
}
return(returnValue);
}
/// <summary>
/// 自定义返回值当异常时
/// </summary>
/// <param name="input"></param>
/// <param name="returnValue"></param>
/// <returns></returns>
internal static IMethodReturn PrepareCustomReturn(IMethodInvocation input, IMethodReturn returnValue)
{
//若有异常
if (returnValue.Exception != null)
{
//清空异常
returnValue.Exception = null;
var tempReturn = new CustomMethodReturn();
tempReturn.Exception = returnValue.Exception;
tempReturn.ReturnValue = returnValue.ReturnValue;
tempReturn.InvocationContext = returnValue.InvocationContext;
List <ParameterInfo> lstParameterInfo = new List <ParameterInfo>();
List <object> lstOutPutValue = new List <object>();
PrepareOutPutParameter(input, lstParameterInfo, lstOutPutValue);
//设置输出值
tempReturn.Outputs = new ParameterCollection(lstOutPutValue.ToArray(), lstParameterInfo.ToArray(), k => true);
//若输出参数个数>0
if (lstParameterInfo.Count > 0)
{
returnValue = tempReturn;
}
}
return(returnValue);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
IMethodReturn returnValue = null;
//若符合要求
if (input.MethodBase is MethodInfo && (input.MethodBase as MethodInfo).ReturnType == typeof(bool))
{
//开启连接上下文
using (var ctx = m_useContextCreater.CreatDbContext())
{
//开启事务
using (var ta = ctx.Database.BeginTransaction())
{
returnValue = getNext()(input, getNext);
//若没有异常则提交事务
if (null == returnValue.Exception)
{
//事务提交
ta.Commit();
//设置返回值
returnValue.ReturnValue = true;
}
else
{
//事务回滚
ta.Rollback();
//设置返回值
returnValue.ReturnValue = false;
}
//设置返回值类型
returnValue = CustomMethodReturn.PrepareCustomReturn(input, returnValue);
}
}
}
//正常执行
else
{
returnValue = getNext()(input, getNext);
}
return(returnValue);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
IMethodReturn returnValue = null;
//若符合要求
if (input.MethodBase is MethodInfo && (input.MethodBase as MethodInfo).ReturnType == typeof(bool))
{
//开启事务
using (TransactionScope useScope = new TransactionScope(TransactionScopeOption.RequiresNew, m_useTrancsactionOptions))
{
returnValue = getNext()(input, getNext);
//若没有异常则提交事务
if (null == returnValue.Exception)
{
useScope.Complete();
//设置返回值
returnValue.ReturnValue = true;
}
else
{
//设置返回值
returnValue.ReturnValue = false;
}
//设置返回值类型
returnValue = CustomMethodReturn.PrepareCustomReturn(input, returnValue);
}
}
//正常执行
else
{
returnValue = getNext()(input, getNext);
}
return(returnValue);
}
