public void AddServices(IServiceCollection services)
{
var option = new CapBusOptions();
configure(option);
services.AddSingleton <CapBusOptions>(x => option);
services.AddSingleton <IEasyCachingBus, DefaultCAPBus>();
services.AddSingleton <IConsumerServiceSelector, EasyCachingConsumerServiceSelector>();
}
public void AddServices(IServiceCollection services)
{
var option = new CapBusOptions();
configure(option);
services.AddSingleton <CapBusOptions>(x => option);
services.AddSingleton <IEasyCachingBus, DefaultCAPBus>();
services.AddSingleton(DynamicCreateSubscribeClass.GetCacheSubscribeType(option));
}
/// <summary>
/// 获取缓存订阅者的Type
/// </summary>
/// <param name="options"></param>
/// <returns></returns>
public static Type GetCacheSubscribeType(CapBusOptions options)
{
var type = typeof(CacheSubscribe);
var moduleName = type.GetTypeInfo().Module.Name;
var assemblyName = new AssemblyName(Guid.NewGuid().ToString());
var module = AssemblyBuilder
.DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.Run)
.DefineDynamicModule(moduleName);
var builder = module.DefineType("CacheSubscribe", TypeAttributes.Class, typeof(CacheSubscribe));
var met = type.GetMethods();
MethodBuilder methodBuilder = builder.DefineMethod("ReceiveMessage", MethodAttributes.Public, null, new Type[] { typeof(EasyCachingMessage) });
Type[] ctorParams = new Type[] { typeof(string), typeof(string) };
//获取构造器信息
ConstructorInfo classCtorInfo = typeof(EasyCachingSubscribeAttribute).GetConstructor(ctorParams);
//动态创建CapSubscribeAttribute
CustomAttributeBuilder myCABuilder = new CustomAttributeBuilder(
classCtorInfo,
new object[] { options.TopicName, options.QueuePrefixName + GetQueueSuffixName() });
//将上面动态创建的Attribute附加到(动态创建的)类型MyType
methodBuilder.SetCustomAttribute(myCABuilder);
//生成指令
ILGenerator numberGetIL = methodBuilder.GetILGenerator();
numberGetIL.Emit(OpCodes.Ldarg_0);
numberGetIL.Emit(OpCodes.Ldarg_1);
numberGetIL.Emit(OpCodes.Call, type.GetMethod("ReceiveMessage", new Type[] { typeof(EasyCachingMessage) }));
numberGetIL.Emit(OpCodes.Ret);
return(builder.CreateTypeInfo().AsType());
}
/// <summary>
///
/// </summary>
/// <param name="capBus"></param>
/// <param name="optionsAccs"></param>
public DefaultCAPBus(ICapPublisher capBus, CapBusOptions optionsAccs)
{
_capBus = capBus;
_options = optionsAccs;
}
