// Creates new connection or gets previously used from the session
public DataConnection GetConnection(EntitySession session,
DbConnectionLifetime connLifetime = DbConnectionLifetime.Operation, bool admin = false)
{
if (admin)
{
return(new DataConnection(session, this.Settings, connLifetime, true));
}
var conn = session.CurrentConnection;
if (conn != null)
{
if (conn.Lifetime < connLifetime)
{
conn.Lifetime = connLifetime;
}
return(conn);
}
// if we have KeepOpen mode (recommended in Web app), then make Lifetime explicit -
// i.e. until explicitly called to close; web call context handler will do it after completing
// processing requests
if (session.Context.DbConnectionMode == DbConnectionReuseMode.KeepOpen)
{
connLifetime = DbConnectionLifetime.Explicit;
}
conn = new DataConnection(session, this.Settings, connLifetime, admin: admin);
session.CurrentConnection = conn; //it will register it in disposables
return(conn);
}
public DataConnection(EntitySession session, DbSettings settings, DbConnectionLifetime lifetime, bool admin = false)
{
Session = session;
DbSettings = settings;
Lifetime = lifetime;
var connString = admin ? settings.SchemaManagementConnectionString : settings.ConnectionString;
DbConnection = settings.Driver.CreateConnection(connString);
}