IQueuedWork.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "Templates/RefCounting.h"
 
enum class EQueuedWorkFlags : uint8
{
    None,
 
     DoNotRunInsideBusyWait = (1 << 0),
 
     Count
};
 
ENUM_CLASS_FLAGS(EQueuedWorkFlags);
 
class IQueuedWorkInternalData : public FThreadSafeRefCountedObject
{
public:
    virtual bool Retract() = 0;
 
public:
 
    virtual ~IQueuedWorkInternalData() { }
};
 
class IQueuedWork
{
public:
    virtual void DoThreadedWork() = 0;
 
    virtual void Abandon() = 0;
 
    virtual EQueuedWorkFlags GetQueuedWorkFlags() const { return EQueuedWorkFlags::None; }
 
    virtual int64 GetRequiredMemory() const
    {
        return -1 /* Negative value means unknown */;
    }
 
    virtual const TCHAR * GetDebugName() const
    {
        return nullptr;
    }
 
public:
 
    virtual ~IQueuedWork() { }
 
    using IInternalDataType = TRefCountPtr<IQueuedWorkInternalData>;
    IInternalDataType InternalData; 
};