/
ForwardOnlyMigration.cs
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/
ForwardOnlyMigration.cs
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#region License
// Copyright (c) 2007-2024, Fluent Migrator Project
//
// Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#endregion
using System;
namespace FluentMigrator
{
/// <summary>
/// A forward-only migration
/// </summary>
/// <remarks>
/// A try to collect the <c>Down</c> expressions will result in an exception
/// </remarks>
public abstract class ForwardOnlyMigration : Migration
{
/// <inheritdoc />
public sealed override void Down()
{
throw new InvalidOperationException("Only forward migration is supported");
}
}
}