public void SetupExtensions()
{
Logger.Information("Start loading extensions...");
var context = CreateLoadingContext();
// Notify all loaders about extensions removed from the web site
foreach (var dependency in context.DeletedDependencies)
{
Logger.Information("Extension {0} has been removed from site", dependency.Name);
foreach (var loader in _loaders)
{
if (dependency.LoaderName == loader.Name)
{
loader.ExtensionRemoved(context, dependency);
}
}
}
// For all existing extensions in the site, ask each loader if they can
// load that extension.
foreach (var extension in context.AvailableExtensions)
{
ProcessExtension(context, extension);
}
// Execute all the work need by "ctx"
ProcessContextCommands(context);
// And finally save the new entries in the dependencies folder
_dependenciesFolder.StoreDescriptors(context.NewDependencies);
_extensionDependenciesManager.StoreDependencies(context.NewDependencies, desc => GetExtensionHash(context, desc));
Logger.Information("Done loading extensions...");
// Very last step: Notify the host environment to restart the AppDomain if needed
if (context.RestartAppDomain)
{
Logger.Information("AppDomain restart required.");
_hostEnvironment.RestartAppDomain();
}
}
/// <summary>
/// 安装扩展。
/// </summary>
public void SetupExtensions()
{
Logger.Information("开始加载扩展...");
var context = CreateLoadingContext();
//通知应用程序中的所有装载机有关扩展被删除
foreach (var dependency in context.DeletedDependencies)
{
Logger.Information("扩展 {0} 已从应用程序中删除", dependency.Name);
var dependencyProxy = dependency;
foreach (var loader in _loaders.Where(loader => dependencyProxy.LoaderName == loader.Name))
{
loader.ExtensionRemoved(context, dependency);
}
}
//要求所有装载机对应用程序中所有现有可用的扩展进行加载。
foreach (var extension in context.AvailableExtensions)
{
ProcessExtension(context, extension);
}
//执行所有需要通过上下文的工作
ProcessContextCommands(context);
//保存最新的条目中的依赖关系
_dependenciesFolder.StoreDescriptors(context.NewDependencies);
_extensionDependenciesManager.StoreDependencies(context.NewDependencies, desc => GetExtensionHash(context, desc));
Logger.Information("扩展加载完成");
//最后一步：如果需要，通知主机环境来重新启动AppDomain。
if (!context.RestartAppDomain)
{
return;
}
Logger.Information("AppDomain 需要重新启动。");
_hostEnvironment.RestartAppDomain();
}