OnDemandHostGroup.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "Containers/AnsiString.h"
#include "Containers/StringFwd.h"
#include "IO/IoStatus.h"
#include "Templates/SharedPointer.h"
 
#define UE_API IOSTOREONDEMANDCORE_API
 
namespace UE::IoStore
{
 
class FOnDemandHostGroup
{
    struct FImpl;
    using FSharedImpl = TSharedPtr<FImpl, ESPMode::ThreadSafe>;
 
public:
    UE_API FOnDemandHostGroup();
    UE_API ~FOnDemandHostGroup();
    UE_API TConstArrayView<FAnsiString> Hosts() const;
    UE_API FAnsiStringView Host(int32 Index) const;
    UE_API FAnsiStringView CycleHost(int32& InOutIndex) const;
    UE_API void SetPrimaryHost(int32 Index);
    UE_API FAnsiStringView PrimaryHost() const;
    UE_API int32 PrimaryHostIndex() const;
    UE_API bool IsEmpty() const;
    UE_API static TIoStatusOr<FOnDemandHostGroup> Create(FAnsiStringView Url);
    UE_API static TIoStatusOr<FOnDemandHostGroup> Create(FStringView Url);
    UE_API static TIoStatusOr<FOnDemandHostGroup> Create(TConstArrayView<FAnsiString> Urls);
    UE_API static TIoStatusOr<FOnDemandHostGroup> Create(TConstArrayView<FString> Urls);
    UE_API static FName DefaultName;
 
    friend inline bool operator==(const FOnDemandHostGroup& Lhs, const FOnDemandHostGroup& Rhs)
    {
        return Lhs.Impl.Get() == Rhs.Impl.Get();
    }
    friend inline uint32 GetTypeHash(const FOnDemandHostGroup& Endpoint)
    {
        return *reinterpret_cast<const uint32*>(Endpoint.Impl.Get());
    }
 
private:
    FOnDemandHostGroup(FSharedImpl&& Impl);
 
    FSharedImpl Impl;
};
 
} // namespace UE::IoStore
 
#undef UE_API