/// <summary>
/// 将相邻两项（邻键）添加到集合中
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="keyHead"></param>
/// <param name="keyTail"></param>
/// <param name="objMemoryBondColl"></param>
public static void UpdateMemoryBondColl <T>(T keyHead, T keyTail, MemoryBondColl <T> objMemoryBondColl)
{
if (!objMemoryBondColl.Contains(keyHead))
{
MemoryBondMDL <T> bond = new MemoryBondMDL <T>();
bond.KeyItem.Key = keyHead;
bond.LinkColl.OffsetTotalCount = 0;
bond.LinkColl.MinuteOffsetSize = objMemoryBondColl.MinuteOffsetSize;
objMemoryBondColl.Add(bond);
}
MemoryBondMDL <T> objBondMDL = objMemoryBondColl[keyHead];
MemoryItemMDL <T> mdl = objBondMDL.KeyItem;
double dRemeberValue = MemoryDAL.CalcRemeberValue(objMemoryBondColl.OffsetTotalCount - mdl.UpdateOffsetCount, objMemoryBondColl.MinuteOffsetSize);
mdl.TotalCount += 1; //累加总计数
mdl.ValidDegree = CalcValidDegree <T>(mdl, dRemeberValue); //计算成熟度
mdl.ValidCount = mdl.ValidCount * dRemeberValue + 1; // 遗忘累频=记忆保留量+1
mdl.UpdateOffsetCount = objMemoryBondColl.OffsetTotalCount; //更新时的偏移量
MemoryItemColl <T> objLinkColl = objBondMDL.LinkColl;
objLinkColl.OffsetTotalCount = objMemoryBondColl.OffsetTotalCount;
UpdateMemoryItemColl(keyTail, objLinkColl);
objMemoryBondColl.OffsetTotalCount += 1;
}
/// <summary>
/// 计算邻键尾项记忆剩余量
/// </summary>
/// <typeparam name="T">泛型，具体类别由调用者传入</typeparam>
/// <param name="keyHead">相邻两项的首项</param>
/// <param name="keyTail">相邻两项的尾项</param>
/// <param name="objMemoryBondColl">邻键集合</param>
/// <returns>返回记忆剩余量</returns>
public static double CalcRemeberValue <T>(T keyHead, T keyTail, MemoryBondColl <T> objMemoryBondColl)
{
if (!objMemoryBondColl.Contains(keyHead))
{
return(0);
}
MemoryBondMDL <T> objBondMDL = objMemoryBondColl[keyHead];
MemoryItemColl <T> objLinkColl = objBondMDL.LinkColl;
return(CalcRemeberValue <T>(keyTail, objLinkColl));
}
/// <summary>
/// 计算邻键首项记忆剩余量
/// </summary>
/// <typeparam name="T">泛型，具体类别由调用者传入</typeparam>
/// <param name="key">相邻两项的首项</param>
/// <param name="objMemoryBondColl">邻键集合</param>
/// <returns>返回记忆剩余量</returns>
public static double CalcRemeberValue <T>(T key, MemoryBondColl <T> objMemoryBondColl)
{
if (!objMemoryBondColl.Contains(key))
{
return(0);
}
MemoryBondMDL <T> objBondMDL = objMemoryBondColl[key];
MemoryItemMDL <T> mdl = objBondMDL.KeyItem;
double dRemeberValue = MemoryDAL.CalcRemeberValue(objMemoryBondColl.OffsetTotalCount - mdl.UpdateOffsetCount, objMemoryBondColl.MinuteOffsetSize);
return(mdl.ValidCount * dRemeberValue);
}
protected override T GetKeyForItem(MemoryBondMDL <T> item)
{
return(item.KeyItem.Key);
}
