38 lines
1.1 KiB
C#
38 lines
1.1 KiB
C#
/*
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* Copyright (c) 2022 ETH Zürich, Educational Development and Technology (LET)
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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using SafeExamBrowser.Core.Contracts.OperationModel.Events;
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namespace SafeExamBrowser.Core.Contracts.OperationModel
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{
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/// <summary>
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/// Defines an operation which will be executed as part of an <see cref="IOperationSequence"/>.
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/// </summary>
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public interface IOperation
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{
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/// <summary>
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/// Event fired when the operation requires user interaction.
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/// </summary>
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event ActionRequiredEventHandler ActionRequired;
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/// <summary>
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/// Event fired when the status of the operation has changed.
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/// </summary>
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event StatusChangedEventHandler StatusChanged;
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/// <summary>
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/// Performs the operation.
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/// </summary>
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OperationResult Perform();
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/// <summary>
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/// Reverts all changes made when executing the operation.
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/// </summary>
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OperationResult Revert();
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}
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}
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