// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using System;
 
namespace Microsoft.CodeAnalysis.SymbolSearch;
 
/// <summary>
/// Used so we can mock out how the search service delays work for testing purposes.
/// </summary>
internal interface IDelayService
{
    /// <summary>
    /// The time to wait after a successful update (default = 1 day).
    /// </summary>
    TimeSpan UpdateSucceededDelay { get; }
 
    /// <summary>
    /// The time to wait after a simple expected sort of failure (i.e. IO exceptions, 
    /// network exceptions, etc).  Things we can recover from and would expect would 
    /// be transient.
    /// </summary>
    TimeSpan ExpectedFailureDelay { get; }
 
    /// <summary>
    /// The time to wait after a catastrophic failed update (default = 1 day).  For
    /// example, if we download the full DB xml from the server and we cannot parse
    /// it.  Retrying soon after will not help.  We'll just have to wait until proper
    /// data is on the server for us to query.
    /// </summary>
    TimeSpan CatastrophicFailureDelay { get; }
 
    /// <summary>
    /// The time to wait after writing to disk fails (default = 10 seconds).
    /// </summary>
    TimeSpan FileWriteDelay { get; }
 
    /// <summary>
    /// How long to wait between each poll of the cache (default = 1 minute).
    /// </summary>
    TimeSpan CachePollDelay { get; }
}