60 lines
1.3 KiB
C#
60 lines
1.3 KiB
C#
// Copyright Epic Games, Inc. All Rights Reserved.
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using System;
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using System.IO;
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using EpicGames.Core;
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namespace UnrealBuildTool.Storage
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{
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/// <summary>
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/// Interface for reads from content-addressible storage
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/// </summary>
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interface IStorageReader : IDisposable
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{
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/// <summary>
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/// Accessor for the read stream
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/// </summary>
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Stream? Stream { get; }
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/// <summary>
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/// Whether the reader contains any data
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/// </summary>
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bool IsValid { get; }
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}
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/// <summary>
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/// Interface for writes to content-addressible storage
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/// </summary>
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interface IStorageWriter : IDisposable
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{
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/// <summary>
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/// Accessor for the write stream
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/// </summary>
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Stream? Stream { get; }
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/// <summary>
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/// Commits the written data to the cache
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/// </summary>
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void Commit();
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}
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/// <summary>
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/// Interface for an artifact cache
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/// </summary>
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interface IStorageProvider
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{
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/// <summary>
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/// Attempts to open a file from the output cache
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/// </summary>
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/// <param name="Digest">Digest of the item to retrieve</param>
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/// <returns>True if the item exists in the cache, false otherwise</returns>
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IStorageReader CreateReader(ContentHash Digest);
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/// <summary>
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/// Opens a stream for writing into the cache. The digest
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/// </summary>
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/// <returns></returns>
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IStorageWriter CreateWriter(ContentHash Digest);
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}
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}
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