private void Deleted(string folderPath)
{
lock (_lock)
{
_log.Debug("PluginService: folder '{0}' deleted.", folderPath);
//try remove old
AppDomain oldAppDomain = null;
List <TPlugin> oldPlugins = new List <TPlugin>();
if (_plugins.ContainsKey(folderPath))
{
oldPlugins = _plugins[folderPath];
_plugins.Remove(folderPath);
oldAppDomain = SeparateAppDomain.Extract(folderPath);
}
//raise event
PluginsRemoved(this, oldPlugins);
if (oldAppDomain != null)
{
AppDomain.Unload(oldAppDomain);
}
}
}
private void Created(string folderPath)
{
lock (_lock)
{
_log.Debug("PluginService: folder '{0}' created.", folderPath);
var mefLoader = SeparateAppDomain.CreateInstance <MefLoader>(folderPath, folderPath);
var plugins = LoadPlugins(mefLoader);
if (plugins.Count == 0)
{
SeparateAppDomain.Delete(folderPath);
return;
}
_plugins.Add(folderPath, plugins);
PluginsAdded(this, plugins);
}
}
private void Renamed(string oldFolderPath, string newFolderPath)
{
lock (_lock)
{
_log.Debug("PluginService: folder '{0}' renamed into '{1}'.", oldFolderPath, newFolderPath);
//try remove old
AppDomain oldAppDomain = null;
List <TPlugin> oldPlugins = new List <TPlugin>();
if (_plugins.ContainsKey(oldFolderPath))
{
oldPlugins = _plugins[oldFolderPath];
_plugins.Remove(oldFolderPath);
oldAppDomain = SeparateAppDomain.Extract(oldFolderPath);
}
//try create new
var mefLoader = SeparateAppDomain.CreateInstance <MefLoader>(newFolderPath, newFolderPath);
var newPlugins = LoadPlugins(mefLoader);
if (newPlugins.Count != 0)
{
_plugins.Add(newFolderPath, newPlugins);
}
//raise event
PluginsChanged(this, oldPlugins, newPlugins);
if (newPlugins.Count == 0)
{
SeparateAppDomain.Delete(newFolderPath);
}
if (oldAppDomain != null)
{
AppDomain.Unload(oldAppDomain);
}
}
}