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osu-lazer/osu.Game/Database/DatabaseWriteUsage.cs
2019-02-28 13:31:40 +09:00

64 lines
1.6 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 System.Collections.Generic;
namespace osu.Game.Database
{
public class DatabaseWriteUsage : IDisposable
{
public readonly OsuDbContext Context;
private readonly Action<DatabaseWriteUsage> usageCompleted;
public DatabaseWriteUsage(OsuDbContext context, Action<DatabaseWriteUsage> onCompleted)
{
Context = context;
usageCompleted = onCompleted;
}
public bool PerformedWrite { get; private set; }
private bool isDisposed;
public List<Exception> Errors = new List<Exception>();
/// <summary>
/// Whether this write usage will commit a transaction on completion.
/// If false, there is a parent usage responsible for transaction commit.
/// </summary>
public bool IsTransactionLeader = false;
protected void Dispose(bool disposing)
{
if (isDisposed) return;
isDisposed = true;
try
{
PerformedWrite |= Context.SaveChanges() > 0;
}
catch (Exception e)
{
Errors.Add(e);
throw;
}
finally
{
usageCompleted?.Invoke(this);
}
}
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
~DatabaseWriteUsage()
{
Dispose(false);
}
}
}