inc/agls/mngattribute.hpp

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#pragma once

#include "mngobject.hpp"
#include "attribute.hpp"

class agls_API IMngAttribute
    : public IMngObject
{
public:
    virtual ~IMngAttribute(void) { ; }

public:
    virtual bool CreateItem(IAttribute** ppAttribute, const char acName[STRLEN_OBJECT_NAME] = "") = 0;
};

template<typename TN, typename TI>
class agls_API TMngAttribute
    : public TMngObject<TN, TI>
{
public:
    TMngAttribute(void) { ; }
    virtual ~TMngAttribute(void) { ; }

public:
    virtual bool CreateItem(IAttribute** ppAttribute, const char acName[STRLEN_OBJECT_NAME] = "")
    {
        if (NULL == ppAttribute ||
            NULL != *ppAttribute)
        {
            return false;
        }
        TI* pNew = new TI;
        IObject* pObject = dynamic_cast<IObject*>(pNew);
        if (!__super::CreateItem(&pObject, acName))
        {
            if (NULL != pNew)
            {
                delete pNew;
                pNew = NULL;
            }
            return false;
        }
        (*ppAttribute) = pNew;
        return true;
    }
};

class agls_API CMngAttribute
    : public TMngAttribute<IMngAttribute, CAttribute>
{
public:
    CMngAttribute(void);
    virtual ~CMngAttribute(void);
};