public DynMethodInstance(string interfaceName, string methodName)
{
DynMethod dynMethod = DynTypeManager.GetInterface(interfaceName).GetMethod(methodName);
if (dynMethod == null)
{
throw new ApplicationException(string.Format("接口【{0}】下面找不到，方法名为【{1}】的方法", interfaceName, methodName));
}
_dynMethod = dynMethod;
_fullName = interfaceName + "_" + methodName;
foreach (DynParameter dynParameter in _dynMethod.GetParameters())
{
SetDefaultValue(dynParameter);
}
}
/// <summary>
/// 获取方法
/// </summary>
/// <param name="methodName">方法名称</param>
/// <returns>动态方法</returns>
public DynMethod GetMethod(string methodName)
{
if (!string.IsNullOrEmpty(methodName))
{
DynMethod method = null;
if (_methods.TryGetValue(methodName, out method))
{
return(method);
}
else
{
throw new ApplicationException(string.Format("当前类{0}不存在方法名为{1}的方法", _name, methodName));
}
}
else
{
throw new ApplicationException("方法名不能为空或null");
}
}
/// <summary>
/// 添加方法
/// </summary>
/// <param name="method">动态方法</param>
public void AddMethod(DynMethod method)
{
if (method != null)
{
if (!_methods.ContainsKey(method.Name))
{
_methods.Add(method.Name, method);
method.ClassName = _name;
}
else
{
throw new ApplicationException(string.Format("当前接口{0}已经存在名为{1}的方法", _name, method.Name));
}
}
else
{
throw new ApplicationException("方法不能为null");
}
}
/// <summary>
/// 添加方法
/// </summary>
/// <param name="method">动态方法</param>
public void AddMethod(DynMethod method)
{
if (method != null)
{
DynMethod oldmethod = null;
if (!_methods.TryGetValue(method.Name, out oldmethod))
{
_methods.Add(method.Name, method);
method.ClassName = _name;
}
else
{
throw new ApplicationException(string.Format("当前类{0}已经存在名为{1}的方法", _name, oldmethod.Name));
}
}
else
{
throw new ApplicationException("方法不能为null");
}
}
private void eval_AdditionalFunctionEventHandler(object sender, AdditionalFunctionEventArgs e)
{
object[] parameters = e.GetParameters();
object value;
//检查是否在默认的函数库中
switch (e.Name)
{
case "GetProperty":
break;
case "Get":
if (Context == null)
{
throw new ApplicationException("执行函数失败 上下文为空");
}
if (Context == null || parameters == null || parameters.Length < 1 || string.IsNullOrEmpty(parameters[0] as string))
{
throw new ApplicationException("执行函数失败 入参输入为空");
}
if (!Context.TryGetValue(parameters[0] as string, out value))
{
throw new ApplicationException("执行函数失败 获取上下文时 没有键为" + parameters[0] + "的值");
}
e.ReturnValue = value;
return;
default:
string className = null;
//检查是否在当前应用的函数库中
if (DynStringResolver.MethodDict.TryGetValue(e.Name, out className))
{
string methodName = e.Name;
Dictionary <string, object> dict = new Dictionary <string, object>();
DynClass function = DynTypeManager.GetFunction(className);
if (function == null)
{
throw new ApplicationException("执行函数失败 没有主键为" + className + "的函数类 请查看初始化");
}
DynMethod method = function.GetMethod(methodName);
DynParameter[] dynParameters = method.GetParameters();
for (int i = 0; i < dynParameters.Length; i++)
{
value = parameters.Length > i ? parameters[i] : null;
switch (dynParameters[i].CollectionType)
{
case CollectionType.None:
value = DynStringResolver.GetTrueType(value, dynParameters[i].DynType);
break;
case CollectionType.List:
IList valueList = value as IList;
for (int j = 0; j < valueList.Count; j++)
{
valueList[j] = DynStringResolver.GetTrueType(valueList[j], dynParameters[i].DynType);
}
break;
case CollectionType.Set:
case CollectionType.Map:
break;
default:
break;
}
dict.Add(dynParameters[i].Name, value);
}
e.ReturnValue = DynTypeManager.MethodHandler(null, className + "_" + methodName, dict);
}
else
{
throw new ApplicationException("无此函数:" + e.Name);
}
break;
}
}
