osu/osu.Game/Database/IModelManager.cs

29 lines
1.1 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using osu.Framework.Bindables;
namespace osu.Game.Database
{
/// <summary>
/// Represents a model manager that publishes events when <typeparamref name="TModel"/>s are added or removed.
/// </summary>
/// <typeparam name="TModel">The model type.</typeparam>
public interface IModelManager<TModel>
where TModel : class
{
/// <summary>
/// A bindable which contains a weak reference to the last item that was updated.
/// This is not thread-safe and should be scheduled locally if consumed from a drawable component.
/// </summary>
IBindable<WeakReference<TModel>> ItemUpdated { get; }
/// <summary>
/// A bindable which contains a weak reference to the last item that was removed.
/// This is not thread-safe and should be scheduled locally if consumed from a drawable component.
/// </summary>
IBindable<WeakReference<TModel>> ItemRemoved { get; }
}
}