private void ifElseAsepct(AhainOfResponsibility ahainOfResponsibility)
{
foreach (var attribute in ifElseAsepctAttributes)
{
if (attribute.check(invocation.Arguments)) continue;
attribute.checkForErrors();
return;
}
ahainOfResponsibility.exectue();
}
private void asepct(AhainOfResponsibility ahainOfResponsibility)
{
var attributes = asepctAttributes;
var invocationAsepct = invocation;
attributeBeforeAsepct(attributes);
ahainOfResponsibility.exectue();
var task = invocationAsepct.ReturnValue as Task;
if (task == null)
attributeAfterAsepct(attributes);
else
attributeAfterAsepctTask(task, attributes);
}
private async void tryCatchAsepct(AhainOfResponsibility ahainOfResponsibility)
{
var attributes = tryCatchAsepctAttributes;
var invocationAsepct = invocation;
try
{
tryCatchAttributeBeforeAsepct(attributes);
ahainOfResponsibility.exectue();
var task = invocationAsepct.ReturnValue as Task;
if (task == null)
{
tryCatchAttributeAfterAsepct(attributes);
}
else
{
await task;
tryCatchAattributeAfterAsepctTask(task, attributes);
}
}
catch
{
catchAsepct(attributes);
}
}
public void Intercept(IInvocation invocation)
{
this.invocation = invocation;
asepctAttributes = invocation.Method.GetCustomAttributes(typeof(AsepctAttribute), true).Cast<AsepctAttribute>().ToList();
tryCatchAsepctAttributes = invocation.Method.GetCustomAttributes(typeof(TryCatchAsepctAttribute), true).Cast<TryCatchAsepctAttribute>().ToList();
ifElseAsepctAttributes = invocation.Method.GetCustomAttributes(typeof(IfElseAsepctAttribute), true).Cast<IfElseAsepctAttribute>().ToList();
var ahainOfResponsibility = new AhainOfResponsibility {exectueNext = x => invocation.Proceed()};
//普通切面
if(asepctAttributes.Any())
ahainOfResponsibility = new AhainOfResponsibility(ahainOfResponsibility) {exectueNext = asepct};
//是否执行函数切面
if(ifElseAsepctAttributes.Any())
ahainOfResponsibility = new AhainOfResponsibility(ahainOfResponsibility) { exectueNext = ifElseAsepct };
//异常切面
if (tryCatchAsepctAttributes.Any())
ahainOfResponsibility = new AhainOfResponsibility(ahainOfResponsibility) { exectueNext = tryCatchAsepct };
//开始执行
ahainOfResponsibility.exectue();
}
private void argumentJudgementAsepct(AhainOfResponsibility ahainOfResponsibility)
{
}
