protected IExceptionTargetEvaluation this[string key]
{
get
{
if (InterfaceInstanceList.ContainsKey(key))
{
return(InterfaceInstanceList[key]);
}
else
{
List <InterfaceInstance> interfaces = InterfaceInstanceOperator.Instance.LoadListByName("IExceptionTargetEvaluation");
InterfaceInstance newInstance = interfaces.Find(I => I.InterfaceInstanceName == key);
if (newInstance != null)
{
IExceptionTargetEvaluation _interface = ExceptionTargetEvaluationBuilder.Instance.DoBuild(newInstance.Reference);
if (_interface != null)
{
AddHandle(newInstance.InterfaceInstanceName, _interface);
return(_interface);
}
}
}
return(DefaultHandle);
}
}
protected void AddHandle(string InstanceName, IExceptionTargetEvaluation interfaceInstance)
{
if (!InterfaceInstanceList.ContainsKey(InstanceName))
{
InterfaceInstanceList.Add(InstanceName, interfaceInstance);
}
else
{
InterfaceInstanceList[InstanceName] = interfaceInstance;
}
}
public ExceptionTargetEvaluationEngine()
{
//注册
AddHandle("*", new DefaultExceptionTargetEvaluation());
List <InterfaceInstance> interfaces = InterfaceInstanceOperator.Instance.LoadListByName("IExceptionTargetEvaluation");
//注册扩展服务
foreach (InterfaceInstance info in interfaces)
{
//根据InterfaceInstanceName，实现不同的处理方法
IExceptionTargetEvaluation _interface = ExceptionTargetEvaluationBuilder.Instance.DoBuild(info.Reference);
if (_interface != null)
{
AddHandle(info.InterfaceInstanceName, _interface);
}
}
}