/// <summary>
/// 注册核心服务
/// </summary>
protected virtual void RegisterCoreService()
{
var bindable = new BindData(this, null, null, false);
this.Singleton <GlobalDispatcher>((_, __) => new GlobalDispatcher((paramInfos, userParams) => GetDependencies(bindable, paramInfos, userParams))).Alias <IDispatcher>();
}
/// <summary>
/// 解决类类型
/// </summary>
/// <param name="makeServiceBindData">请求注入操作的服务绑定数据</param>
/// <param name="service">希望解决的服务名或者别名</param>
/// <returns>解决结果</returns>
private object ResloveClass(BindData makeServiceBindData, string service)
{
return(Make(makeServiceBindData.GetContextual(service)));
}
/// <summary>
/// 解决非类类型
/// </summary>
/// <param name="makeServiceBindData">请求注入操作的服务绑定数据</param>
/// <param name="service">希望构造的服务名或者别名</param>
/// <returns>解决结果</returns>
private object ResolveNonClassAttr(BindData makeServiceBindData, string service)
{
return(Make(makeServiceBindData.GetContextual(service)));
}
/// <summary>
/// 获取依赖解决结果
/// </summary>
/// <param name="makeServiceBindData">服务绑定数据</param>
/// <param name="paramInfo">服务实例的参数信息</param>
/// <param name="param">输入的构造参数列表</param>
/// <returns>服务所需参数的解决结果</returns>
/// <exception cref="RuntimeException">生成的实例类型和需求类型不一致</exception>
private object[] GetDependencies(BindData makeServiceBindData, IList <ParameterInfo> paramInfo, IList <object> param)
{
var myParam = new List <object>();
for (var i = 0; i < paramInfo.Count; i++)
{
var info = paramInfo[i];
if (param != null && i < param.Count)
{
if (info.ParameterType.IsInstanceOfType(param[i]))
{
myParam.Add(param[i]);
continue;
}
try
{
myParam.Add(Convert.ChangeType(param[i], info.ParameterType));
}
catch (Exception ex)
{
throw new RuntimeException(
string.Format("Params [{0}({1})] can not convert to [{2}] , Service [{3}]",
info.Name, param[i], info.ParameterType, makeServiceBindData.Service
), ex);
}
continue;
}
var needService = Type2Service(info.ParameterType);
InjectAttribute injectAttr = null;
if (info.IsDefined(injectTarget, false))
{
var propertyAttrs = info.GetCustomAttributes(injectTarget, false);
if (propertyAttrs.Length > 0)
{
injectAttr = (InjectAttribute)propertyAttrs[0];
if (!string.IsNullOrEmpty(injectAttr.Alias))
{
needService = injectAttr.Alias;
}
}
}
object instance;
if (info.ParameterType.IsClass || info.ParameterType.IsInterface)
{
instance = ResloveClass(makeServiceBindData, needService);
}
else
{
instance = ResolveNonClass(makeServiceBindData, needService);
}
if (injectAttr != null && injectAttr.Required && instance == null)
{
throw new RuntimeException("[" + makeServiceBindData.Service + "] Required [" + info.ParameterType + "] Service.");
}
if (instance != null && !info.ParameterType.IsInstanceOfType(instance))
{
throw new RuntimeException("[" + makeServiceBindData.Service + "] Attr inject type must be [" + info.ParameterType + "] , But instance is [" + instance.GetType() + "] Make service is [" + needService + "].");
}
myParam.Add(instance);
}
return(myParam.ToArray());
}
/// <summary>
/// 常规编译一个服务
/// </summary>
/// <param name="makeServiceBindData">服务绑定数据</param>
/// <param name="makeServiceType">服务类型</param>
/// <param name="param">构造参数</param>
/// <returns>服务实例</returns>
private object BuildUseConcrete(BindData makeServiceBindData, Type makeServiceType, object[] param)
{
return(makeServiceBindData.Concrete != null?
makeServiceBindData.Concrete(this, param) :
BuildMake(makeServiceBindData.Service, makeServiceType, false, param));
}