#region License
// The PostgreSQL License
//
// Copyright (C) 2018 The Npgsql Development Team
//
// Permission to use, copy, modify, and distribute this software and its
// documentation for any purpose, without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph and the following two paragraphs appear in all copies.
//
// IN NO EVENT SHALL THE NPGSQL DEVELOPMENT TEAM BE LIABLE TO ANY PARTY
// FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
// INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
// DOCUMENTATION, EVEN IF THE NPGSQL DEVELOPMENT TEAM HAS BEEN ADVISED OF
// THE POSSIBILITY OF SUCH DAMAGE.
//
// THE NPGSQL DEVELOPMENT TEAM SPECIFICALLY DISCLAIMS ANY WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
// ON AN "AS IS" BASIS, AND THE NPGSQL DEVELOPMENT TEAM HAS NO OBLIGATIONS
// TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
#endregion
using System.Threading.Tasks;
using JetBrains.Annotations;
namespace Npgsql
{
///
/// A factory which get generate instances of , which describe a database
/// and the types it contains. When first connecting to a database, Npgsql will attempt to load information
/// about it via this factory.
///
public interface INpgsqlDatabaseInfoFactory
{
///
/// Given a connection, loads all necessary information about the connected database, e.g. its types.
/// A factory should only handle the exact database type it was meant for, and return null otherwise.
///
///
/// An object describing the database to which is connected, or null if the
/// database isn't of the correct type and isn't handled by this factory.
///
[ItemCanBeNull]
Task Load(NpgsqlConnection conn, NpgsqlTimeout timeout, bool async);
}
}