internal void OnDataSourceAdd(DataSourceAddEventArgs args)
{
if (DataSourceAdd != null)
{
DataSourceAdd(_service, args);
}
}
public DataSource GetDataSource(OperationContext context) {
// We must account for Linked apps, like logging app; the same contet/session might be used for quering entities in main app (book store) and logging app
// so cached data source in context might not be what we're looking for - it might be from different app.
var ds = context.DataSource;
if(ds != null && ds.Name == context.DataSourceName && ds.App == context.App)
return ds;
ds = LookupDataSource(context.DataSourceName);
if (ds == null) {
//Fire event
var args = new DataSourceAddEventArgs(context);
Events.OnDataSourceAdd(args);
ds = args.NewDataSource;
// If app/event handler uses app.ConnectTo method, then data source must be already registered
// but just in case, let's make sure it is registered (the call is ignored if ds is already there).
if(ds != null)
RegisterDataSource(ds);
}
Util.Check(ds != null, "Failed to find data source, name: {0}", context.DataSourceName);
context.DataSource = ds;
return context.DataSource;
}
public DataSource GetDataSource(OperationContext context)
{
// We must account for Linked apps, like logging app; the same contet/session might be used for quering entities in main app (book store) and logging app
// so cached data source in context might not be what we're looking for - it might be from different app.
var ds = context.DataSource;
if (ds != null && ds.Name == context.DataSourceName && ds.App == context.App)
{
return(ds);
}
ds = LookupDataSource(context.DataSourceName);
if (ds == null)
{
//Fire event
var args = new DataSourceAddEventArgs(context);
Events.OnDataSourceAdd(args);
ds = args.NewDataSource;
// if DataSource is returned by event handler, it might be registered or not - it is up to a handler
}
Util.Check(ds != null, "Failed to find data source, name: {0}", context.DataSourceName);
context.DataSource = ds;
return(context.DataSource);
}
internal void OnDataSourceAdd(DataSourceAddEventArgs args)
{
if(DataSourceAdd != null)
DataSourceAdd(_service, args);
}