static void Main(string[] args)
{
string extensionFile = @"ReflectionExtension";
var assembly = Assembly.Load(extensionFile);
var types = assembly.GetTypes();
Type extensionType = null;
foreach (var type in types)
{
var interfaceType = type.GetInterface("IExtension");
if (interfaceType != null)
{
extensionType = type;
break;
}
}
object extensionObject = null;
if (extensionType != null)
{
extensionObject = Activator.CreateInstance(extensionType);
}
MethodInfo executeMethod = extensionType.GetMethod("Execute");
IExtension extensionViaInterface = extensionObject as IExtension;
// Pre-execute to account for JIT
executeMethod.Invoke(extensionObject, new object[] { 1, 2 });
extensionViaInterface.Execute(1, 2);
Stopwatch watch = Stopwatch.StartNew();
int actualResult = 0;
// Execute via MethodInfo.Invoke
for (int i = 0; i < Iterations; i++)
{
object result = executeMethod.Invoke(extensionObject, new object[] { 1, 2 });
actualResult = (int)result;
}
watch.Stop();
Console.WriteLine("{0}, {1} ticks", actualResult, watch.ElapsedTicks);
// Execute via interface
watch.Restart();
for (int i = 0; i < Iterations; i++)
{
actualResult = extensionViaInterface.Execute(1, 2);
}
watch.Stop();
Console.WriteLine("{0}, {1} ticks", actualResult, watch.ElapsedTicks);
}
/// <summary>
/// 启动扩展服务
/// </summary>
/// <param name="extensions"></param>
private void ExtensionExecute(IEnumerable <string> extensions)
{
foreach (string extension in extensions)
{
IExtension ex = ReflectionOptimizer.CreateInstanceMethod(extension)() as IExtension;
if (ex != null)
{
ex.Execute();
}
}
}