DeltaEnumeration.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "Data/ChunkData.h"
#include "Generation/CloudEnumeration.h"
 
class FBuildPatchAppManifest;
 
inline uint32 GetTypeHash(const FSetElementId A)
{
    return A.AsInteger();
}
 
namespace BuildPatchServices
{
    class FBlockStructure;
    class IManifestBuildStreamer;
 
    typedef FGuid FDeltaChunkId;
    typedef FSetElementId FFilenameId;
    typedef FSetElementId FShaId;
    typedef TTuple<TArray<FChunkPart>, FFilenameId, TSet<FString>, uint64> FChunkBuildReference;
 
    class IDeltaChunkEnumeration
    {
    public:
        virtual ~IDeltaChunkEnumeration() {}
        virtual void Run() = 0;
        virtual bool IsComplete() const = 0;
        virtual const TMap<uint64, TSet<FDeltaChunkId>>& GetChunkInventory() const = 0;
        virtual const TMap<FDeltaChunkId, FShaId>& GetChunkShaHashes() const = 0;
        virtual const TMap<FDeltaChunkId, FChunkBuildReference>& GetChunkBuildReferences() const = 0;
        virtual const TMap<FShaId, TSet<FDeltaChunkId>>& GetIdenticalChunks() const = 0;
        virtual const uint64& GetChunkHash(const FDeltaChunkId& ChunkId) const = 0;
        virtual const FSHAHash& GetChunkShaHash(const FDeltaChunkId& ChunkId) const = 0;
        virtual FFilenameId MakeFilenameId(const FString& Filename) = 0;
        virtual FShaId MakeShaId(const FSHAHash& SHAHash) = 0;
        virtual FFilenameId GetFilenameId(const FString& Filename) const = 0;
        virtual FShaId GetShaId(const FSHAHash& SHAHash) const = 0;
        virtual const FString& GetFilename(const FFilenameId& Filename) const = 0;
        virtual const FSHAHash& GetSha(const FShaId& SHAHash) const = 0;
    };
 
    class FDeltaChunkEnumerationFactory
    {
    public:
        static IDeltaChunkEnumeration* Create(IManifestBuildStreamer* Streamer, FStatsCollector* StatsCollector, const FBuildPatchAppManifest& Manifest, const uint32 WindowSize);
    };
}