72 lines
1.8 KiB
C#
72 lines
1.8 KiB
C#
/*
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* Copyright (c) 2020 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 System;
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using System.Collections.Generic;
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using SafeExamBrowser.Core.Contracts.OperationModel;
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using SafeExamBrowser.Core.Contracts.OperationModel.Events;
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using SafeExamBrowser.Logging.Contracts;
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namespace SafeExamBrowser.Core.OperationModel
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{
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/// <summary>
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/// Default implementation of the <see cref="IRepeatableOperationSequence"/>.
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/// </summary>
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public class RepeatableOperationSequence : OperationSequence, IRepeatableOperationSequence
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{
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private new Queue<IRepeatableOperation> operations;
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public RepeatableOperationSequence(ILogger logger, Queue<IRepeatableOperation> operations) : base(logger, new Queue<IOperation>(operations))
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{
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this.operations = new Queue<IRepeatableOperation>(operations);
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}
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public OperationResult TryRepeat()
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{
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var result = OperationResult.Failed;
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try
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{
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Initialize();
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result = Repeat();
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}
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catch (Exception e)
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{
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logger.Error("Failed to repeat operations!", e);
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}
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return result;
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}
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private OperationResult Repeat()
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{
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foreach (var operation in operations)
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{
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var result = OperationResult.Failed;
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try
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{
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result = operation.Repeat();
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}
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catch (Exception e)
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{
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logger.Error($"Caught unexpected exception while repeating operation '{operation.GetType().Name}'!", e);
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}
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if (result != OperationResult.Success)
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{
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return result;
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}
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UpdateProgress(new ProgressChangedEventArgs { Progress = true });
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}
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return OperationResult.Success;
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}
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}
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}
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