/// <summary>
/// 动态调用指定名称的泛型方法。
/// </summary>
/// <param name="genericTypes">泛型</param>
/// <param name="name">方法的名称。</param>
/// <param name="args">方法的参数值。</param>
/// <returns>方法执行的结果，如果方法是一个 void 签名则返回 null 值。</returns>
public virtual object Call(Type[] genericTypes, string name, params object[] args)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentNullException(nameof(name));
}
if (genericTypes == null)
{
throw new ArgumentNullException(nameof(genericTypes));
}
if (genericTypes.Length == 0)
{
return(Call(name, args));
}
var key = name + genericTypes.Join(t => t.Name + t.MetadataToken, ", ", "[", "]");
var methodInfo = Type.GetMethod(name, AllBindingFalgs);
if (methodInfo == null)
{
throw new MissingMethodException(Type.FullName, key);
}
if (!methodInfo.IsGenericMethodDefinition)
{
throw new ArgumentException("仅支持尚未构造泛型参数的方法。", name);
}
var d = DynamicFactory.CreateMethodInvoker(methodInfo.MakeGenericMethod(genericTypes));
return(d(Instance, args));
}
private static Tuple <DynamicMethodInvoker, DynamicMethodInvoker> GetInvoker <TResult>(ICommand <TResult> command)
{
if (command == null)
{
throw new ArgumentNullException(nameof(command));
}
return(Invokers.GetOrAdd(command.GetType(), type =>
{
var flags = Reflection.BindingFlags.Static | Reflection.BindingFlags.Public;
var resultType = typeof(TResult);
return Tuple.Create(DynamicFactory.CreateMethodInvoker(CommandBusWapperType.MakeGenericType(type, resultType).GetMethod("Execute", flags))
, DynamicFactory.CreateMethodInvoker(CommandBusWapperType.MakeGenericType(type, resultType).GetMethod("ExecuteAsync", flags)));
}
));
}
/// <summary>
/// 动态调用指定名称的方法。
/// </summary>
/// <param name="name">方法的名称。</param>
/// <param name="args">方法的参数值。</param>
/// <returns>方法执行的结果，如果方法是一个 void 签名则返回 null 值。</returns>
public virtual object Call(string name, params object[] args)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentNullException(nameof(name));
}
var methodInfo = Type.GetMethod(name, AllBindingFalgs);
if (methodInfo == null)
{
throw new MissingMethodException(Type.FullName, name);
}
var d = DynamicFactory.CreateMethodInvoker(methodInfo);
return(d(Instance, args));
}