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Prowlarr/Migrator.net/Migrator/MigrationComparer.cs

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#region License
//The contents of this file are subject to the Mozilla Public License
//Version 1.1 (the "License"); you may not use this file except in
//compliance with the License. You may obtain a copy of the License at
//http://www.mozilla.org/MPL/
//Software distributed under the License is distributed on an "AS IS"
//basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
//License for the specific language governing rights and limitations
//under the License.
#endregion
using System;
using System.Collections.Generic;
using Migrator.Framework;
namespace Migrator
{
/// <summary>
/// Comparer of Migration by their version attribute.
/// </summary>
public class MigrationTypeComparer : IComparer<Type>
{
private readonly bool _ascending = true;
public MigrationTypeComparer(bool ascending)
{
_ascending = ascending;
}
public int Compare(Type x, Type y)
{
MigrationAttribute attribOfX = (MigrationAttribute) Attribute.GetCustomAttribute(x, typeof(MigrationAttribute));
MigrationAttribute attribOfY = (MigrationAttribute) Attribute.GetCustomAttribute(y, typeof(MigrationAttribute));
if (_ascending)
return attribOfX.Version.CompareTo(attribOfY.Version);
else
return attribOfY.Version.CompareTo(attribOfX.Version);
}
}
}