protected virtual string[] GetComponentConfigurations(BaseConfig configuration)
{
var configurations = new List<string>();
var trustConfiguration = (this.GetTrustLevel() > AspNetHostingPermissionLevel.Medium)
? ConfigurationKeys.FullTrust
: ConfigurationKeys.MediumTrust;
configurations.Add(trustConfiguration);
return configurations.ToArray();
}
/// <summary>
/// 创建一个配置节点
/// </summary>
/// <param name="parent"></param>
/// <param name="configContext"></param>
/// <param name="section"></param>
/// <returns></returns>
public object Create(object parent, object configContext, XmlNode section)
{
var config = new BaseConfig();
var dynamicDiscoveryNode = section.SelectSingleNode("DynamicDiscovery");
if (dynamicDiscoveryNode != null && dynamicDiscoveryNode.Attributes != null)
{
var attribute = dynamicDiscoveryNode.Attributes["Enabled"];
if (attribute != null)
config.DynamicDiscovery = Convert.ToBoolean(attribute.Value);
}
var engineNode = section.SelectSingleNode("Engine");
if (engineNode != null && engineNode.Attributes != null)
{
var attribute = engineNode.Attributes["Type"];
if (attribute != null)
config.EngineType = attribute.Value;
}
return config;
}
/// <summary>
/// 执行配置
/// </summary>
/// <param name="engine"></param>
/// <param name="containerManager"></param>
/// <param name="broker"></param>
/// <param name="configuration"></param>
public virtual void Configure(IEngine engine, ContainerManager containerManager, EventBroker broker, BaseConfig configuration)
{
//基础组件
//添加基础配置的实例
containerManager.AddComponentInstance<BaseConfig>(configuration, "Platform.Configuration");
//添加引擎的实现
containerManager.AddComponentInstance<IEngine>(engine, "Platform.Engine");
//添加组件容器配置服务的实例
containerManager.AddComponentInstance<ContainerConfigurer>(this, "Platform.ContainerConfigurer");
//添加类型查找器服务的实现
containerManager.AddComponent<ITypeFinder, WebAppTypeFinder>("Platform.TypeFinder");
//注册的其他组件提供的依赖
var typeFinder = containerManager.Resolve<ITypeFinder>();
containerManager.UpdateContainer(x => {
var drTypes = typeFinder.FindClassesOfType<IDependencyRegistrar>();
var drInstances = new List<IDependencyRegistrar>();
foreach (var drType in drTypes)
{
drInstances.Add((IDependencyRegistrar)Activator.CreateInstance(drType));
}
//排序
drInstances = drInstances.AsQueryable().OrderBy(t => t.Order).ToList();
foreach (var dependencyRegistrar in drInstances)
{
dependencyRegistrar.Register(x, typeFinder);
}
});
//事件代理
containerManager.AddComponentInstance(broker);
//添加通过特性配置的依赖关系
containerManager.AddComponent<DependencyAttributeRegistrator>("Platform.DependencyRegistrator");
var registrator = containerManager.Resolve<DependencyAttributeRegistrator>();
var services = registrator.FindServices();
var configurations = this.GetComponentConfigurations(configuration);
services = registrator.FilterServices(services, configurations);
registrator.RegisterServices(services);
}
public WebAppTypeFinder(BaseConfig config)
{
this._ensureBinFolderAssembliesLoaded = config.DynamicDiscovery;
}