public void RegisterDataSource(DataSource dataSource)
{
Util.CheckNotEmpty(dataSource.Name, "DataSource name may not be empty.");
_app.SystemLog.Info(" Connecting to data source {0}.", dataSource.Name);
//dataSource.Database.CheckConnectivity();
lock (_lock) {
var oldDs = LookupDataSource(dataSource.Name);
if (oldDs != null)
{
return;
}
//create copy, add to it, and then replace with interlock
IDictionary <string, DataSource> newDict;
if (_dataSources == null || _dataSources.Count == 0)
{
newDict = new Dictionary <string, DataSource>(StringComparer.OrdinalIgnoreCase);
}
else
{
newDict = new Dictionary <string, DataSource>(_dataSources, StringComparer.OrdinalIgnoreCase);
}
newDict.Add(dataSource.Name, dataSource);
System.Threading.Interlocked.Exchange(ref _dataSources, newDict);
}
//Invoke upgrade
_events.OnDataSourceStatusChanging(new DataSourceEventArgs(dataSource, DataSourceEventType.Connecting));
// Update db model
var db = dataSource.Database;
if (db.Settings.UpgradeMode != DbUpgradeMode.Never)
{
var updateMgr = new DbUpgradeManager(dataSource);
var upgradeInfo = updateMgr.UpgradeDatabase();
_app.CheckActivationErrors();
ApplyPostUpgradeMigrations(upgradeInfo);
}
_events.OnDataSourceStatusChanging(new DataSourceEventArgs(dataSource, DataSourceEventType.Connected));
}