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