/// <summary>
/// Based on <typeparam name="T" />, returns the appropriate
/// PluginInitialiserBase instance in <paramref name="init" /> and
/// extension point path in <paramref name="path" />.
/// </summary>
/// <param name="connect">
/// The DB connection string used when creating a new
/// PluginInitialiserBase, returned in <paramref name="init" />.
/// </param>
/// <param name="init">
/// A reference to a PluginInitialiserBase object in which the proper
/// initialiser will be returned.
/// </param>
/// <param name="path">
/// A string in which the proper extension point path will be returned.
/// </param>
/// <typeparam name="T">
/// The type of data plugin requested.
/// </typeparam>
/// <exception cref="NotImplementedException">
/// Thrown if <typeparamref name="T" /> is not one of the expected data
/// interfaces.
/// </exception>
private static void PluginLoaderParamFactory <T>(string connect, out PluginInitialiserBase init, out string path) where T : IPlugin
{
Type type = typeof(T);
if (type == typeof(IInventoryDataPlugin))
{
init = new InventoryDataInitialiser(connect);
path = "/OpenSim/InventoryData";
}
else if (type == typeof(IUserDataPlugin))
{
init = new UserDataInitialiser(connect);
path = "/OpenSim/UserData";
}
else if (type == typeof(IGridDataPlugin))
{
init = new GridDataInitialiser(connect);
path = "/OpenSim/GridData";
}
else if (type == typeof(ILogDataPlugin))
{
init = new LogDataInitialiser(connect);
path = "/OpenSim/LogData";
}
else if (type == typeof(IAssetDataPlugin))
{
init = new AssetDataInitialiser(connect);
path = "/OpenSim/AssetData";
}
else
{
// We don't support this data plugin.
throw new NotImplementedException(String.Format("The type '{0}' is not a valid data plugin.", type));
}
}
// This method loads the identified asset server, passing an approrpiately
// initialized Initialise wrapper. There should to be exactly one match,
// if not, then the first match is used.
private IAssetServer loadAssetServer(string id, PluginInitialiserBase pi)
{
if (id != null && id != String.Empty)
{
m_log.DebugFormat("[OpenSim Base]: Attempting to load asset server id={0}", id);
try
{
PluginLoader<IAssetServer> loader = new PluginLoader<IAssetServer>(pi);
loader.AddFilter(PLUGIN_ASSET_SERVER_CLIENT, new PluginProviderFilter(id));
loader.Load(PLUGIN_ASSET_SERVER_CLIENT);
if (loader.Plugins.Count > 0)
{
m_log.DebugFormat("[OpenSim Base]: Asset server {0} loaded", id);
return (IAssetServer) loader.Plugins[0];
}
}
catch (Exception e)
{
m_log.DebugFormat("[OpenSim]: Asset server {0} not loaded ({1})", id, e.Message);
}
}
return null;
}
