ZFCache.h

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#ifndef _ZFI_ZFCache_h_
#define _ZFI_ZFCache_h_
 
#include "ZFUtilityDef.h"
ZF_NAMESPACE_GLOBAL_BEGIN
 
// ============================================================
zfclassFwd _ZFP_ZFCachePrivate;
zfclass ZFLIB_ZFUtility ZFCache : zfextend ZFObject {
    ZFOBJECT_DECLARE(ZFCache, ZFObject)
 
public:
    // ============================================================
    // events
    ZFEVENT(CacheOnAdd)
    ZFEVENT(CacheOnRemove)
 
public:
    ZFPROPERTY_ASSIGN(zfindex, cacheMaxSize, 10)
    ZFPROPERTY_ON_ATTACH_DECLARE(zfindex, cacheMaxSize)

    ZFPROPERTY_ASSIGN(zfbool, cacheTrimWhenMemoryLow, zftrue)
    ZFPROPERTY_ON_ATTACH_DECLARE(zfbool, cacheTrimWhenMemoryLow)

    ZFPROPERTY_ASSIGN(zffloat, cacheTrimThreshold, 0.2f)
 
public:
    ZFMETHOD_DECLARE_2(void, cacheAdd
            , ZFMP_IN(const zfstring &, cacheKey)
            , ZFMP_IN(ZFObject *, cacheValue)
            )
    ZFMETHOD_DECLARE_1(zfauto, cacheGet
            , ZFMP_IN(const zfstring &, cacheKey)
            )
    ZFMETHOD_DECLARE_1(zfauto, cacheCheck
            , ZFMP_IN(const zfstring &, cacheKey)
            )

    ZFMETHOD_DECLARE_1(void, cacheRemove
            , ZFMP_IN(const zfstring &, cacheKey)
            )
    ZFMETHOD_DECLARE_0(void, cacheRemoveAll)

    ZFMETHOD_DECLARE_1(void, cacheTrim
            , ZFMP_IN(zfindex , size)
            )
 
public:
    ZFMETHOD_DECLARE_2(void, cacheGetAllT
            , ZFMP_IN_OUT(ZFCoreArray<zfstring> &, cacheKeyList)
            , ZFMP_IN_OUT(ZFCoreArray<zfauto> &, cacheValueList)
            )
 
protected:
    virtual void cacheOnAdd(ZF_IN ZFObject *cache) {
        this->observerNotify(zfself::E_CacheOnAdd(), cache);
    }

    virtual void cacheOnRemove(ZF_IN ZFObject *cache) {
        this->observerNotify(zfself::E_CacheOnRemove(), cache);
    }
 
protected:
    zfoverride
    virtual void objectOnInit(void);
    zfoverride
    virtual void objectOnDealloc(void);
    zfoverride
    virtual void objectOnDeallocPrepare(void);
 
private:
    _ZFP_ZFCachePrivate *d;
    friend zfclassFwd _ZFP_ZFCachePrivate;
};
 
ZF_NAMESPACE_GLOBAL_END
#endif // #ifndef _ZFI_ZFCache_h_