/**
 * @file PaiVirtualObject.cpp
 */

#include "PaiVirtualObject.h"

// IMPLEMENT_PAI_OBJECT(PaiVirtualObject)

namespace pai
{
namespace objectmodel
{

// 从-10001开始，-1 ～ -10000预留
long long PaiVirtualObject::m_VirtualDBIDCounter = -10000;

PaiVirtualObject::PaiVirtualObject(PaiObject *pParent) :
    PaiObject(pParent)
{
    SetDBID(GenerateVirtualDBID());
    SetIgnoreSyncDB(true);
}

PaiVirtualObject::~PaiVirtualObject()
{
}

long long PaiVirtualObject::GetParentDBID() const
{
    PaiObject *pParent = GetParent();
    if(pParent)
    {
        return pParent->GetDBID();
    }
    return 0;
}

bool PaiVirtualObject::Load(const long long /*dbid*/)
{
    return true;    //  虚拟对象无需加载
}

void PaiVirtualObject::Clone(const PaiObject & /*srcObject*/)
{
    // 虚对象一般不许克隆，这里给出提示
    // throw pai::error::io_error("Please define [Clone] function in derived class when you need!");
}

long long PaiVirtualObject::GenerateVirtualDBID()
{
    return --m_VirtualDBIDCounter;
}

}
}