public static Type CreateProxy(ModuleBuilder module, Type type)
{
if (module == null)
{
throw new ArgumentNullException(nameof(module));
}
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
var tb = module.DefineType($"{type.FullName}@Proxy@{type.Assembly.GetHashCode()}", TypeAttributes.Class | TypeAttributes.Sealed | TypeAttributes.NotPublic);
var cacheType = CacheTypeResolver.Resolve(type);
var fb = MakeField(tb, cacheType);
foreach (var method in cacheType.Methods)
{
var mb = tb.DefineMethod(method.Method.Name,
type.IsInterface
? MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.Final | MethodAttributes.NewSlot
: MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.Final | MethodAttributes.HideBySig,
method.Method.ReturnType,
method.Method.GetParameters().Select(p => p.ParameterType).ToArray());
var il = mb.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, fb);
il.Emit(OpCodes.Ldarg_1);
switch (method.Operation)
{
case CacheOperation.Get:
BuildGet(method, il, cacheType.DefaultTtl);
break;
case CacheOperation.Set:
BuildSet(method, il, cacheType.DefaultTtl);
break;
case CacheOperation.Remove:
BuildRemove(method, il);
break;
default:
throw new InvalidOperationException($"{mb.Name}不支持的操作{method.Operation}");
}
il.Emit(OpCodes.Ret);
if (type.IsInterface)
{
tb.DefineMethodOverride(mb, method.Method);
}
}
#if NETSTANDARD2_0
return(tb.CreateTypeInfo() !);
#else
return(tb.CreateType() !);
#endif
}
private Type CreateProxy(ModuleBuilder module, Type type)
{
if (module == null)
{
throw new ArgumentNullException(nameof(module));
}
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
var proxyType = module.DefineType($"{type.FullName}@Proxy@{type.Assembly.GetHashCode()}", TypeAttributes.Class | TypeAttributes.Sealed | TypeAttributes.NotPublic);
#endif
var cacheType = CacheTypeResolver.Resolve(type);
var filed = proxyType.DefineField("_helper", typeof(CacheHelper), FieldAttributes.Private | FieldAttributes.InitOnly);
BuildConstructors(proxyType, cacheType, filed);
foreach (var method in cacheType.Methods)
{
var mb = proxyType.DefineMethod(method.Method.Name,
type.IsInterface
? MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.NewSlot
: MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.HideBySig,
method.Method.ReturnType,
method.Method.GetParameters().Select(p => p.ParameterType).ToArray());
var il = mb.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, filed);
il.Emit(OpCodes.Ldarg_1);
DefineGenericParameters(mb, method.Method);
switch (method.Operation)
{
case CacheOperation.Get:
BuildGet(method, il, cacheType.DefaultTtl);
break;
case CacheOperation.Set:
BuildSet(method, il, cacheType.DefaultTtl);
break;
case CacheOperation.Remove:
BuildRemove(method, il);
break;
default:
throw new InvalidOperationException($"{mb.Name}不支持的操作{method.Operation}");
}
il.Emit(OpCodes.Ret);
#if !BuildTask
if (type.IsInterface)
{
proxyType.DefineMethodOverride(mb, method.Method);
}
#endif
BuildParameters(mb.DefineParameter, method.Method.GetParameters());
}
#if BuildTask
return(proxyType);
#elif NETSTANDARD2_0
return(proxyType.CreateTypeInfo() !);
#else
return(proxyType.CreateType() !);
#endif
}
