public static KeyBondMDL <T, L> UpdateKeyBondColl <T, L>(T head, L tail, KeyBondColl <T, L> objKeyBondColl, OffsetWeightMDL objHeadWeightMDL, OffsetWeightMDL objTailWeightMDL)
{
if (!objKeyBondColl.Contains(head))
{
KeyBondMDL <T, L> bond = new KeyBondMDL <T, L>();
bond.KeyItem.Key = head;
bond.KeyItem.UpdateOffset = objKeyBondColl.Parameter.TotalOffset;
bond.LinkColl.Parameter.ContainerSize = objKeyBondColl.Parameter.ContainerSize;
bond.LinkColl.Parameter.Threshold = objKeyBondColl.Parameter.Threshold;
objKeyBondColl.Add(bond);
}
KeyItemMDL <T> mdl = objKeyBondColl[head].KeyItem;
mdl.ValidCount = objHeadWeightMDL.Weight + mdl.ValidCount * MemoryDAL.CalcRemeberValue(objKeyBondColl.Parameter.TotalOffset - mdl.UpdateOffset, objKeyBondColl.Parameter);
mdl.TotalCount = objHeadWeightMDL.Weight + mdl.TotalCount * MemoryDAL.CalcRemeberValue(1, objKeyBondColl.Parameter);
mdl.UpdateOffset = objKeyBondColl.Parameter.TotalOffset;
KeyItemColl <L> objLinkColl = objKeyBondColl[head].LinkColl;
if (objTailWeightMDL.Offset < 0)
{
//继承主计数
objLinkColl.Parameter.TotalOffset = objKeyBondColl.Parameter.TotalOffset;
objTailWeightMDL.Offset = 0;
}
KeyItemDAL.UpdateKeyItemColl(tail, objLinkColl, objTailWeightMDL);
objKeyBondColl.Parameter.TotalValidCount = objHeadWeightMDL.Weight + objKeyBondColl.Parameter.TotalValidCount * MemoryDAL.CalcRemeberValue(objHeadWeightMDL.Offset, objKeyBondColl.Parameter);
objKeyBondColl.Parameter.TotalOffset += objHeadWeightMDL.Offset;
return(objKeyBondColl[head]);
}
public static KeyBondColl <T, L> ClearKeyBondColl <T, L>(KeyBondColl <T, L> objKeyBondColl, bool bIsParentTotalOffset = true)
{
double dTotalVaildCount = objKeyBondColl.Parameter.TotalValidCount + 1;// 1.0 / ( 1.0 - MemoryDAL.CalcRemeberValue(1,objKeyBondColl.Parameter) );
KeyBondColl <T, L> objResultColl = new KeyBondColl <T, L>();
objResultColl.Parameter = objKeyBondColl.Parameter;
objResultColl.Parameter.Entropy = 0;
double dClearValidCount = 0;
foreach (KeyBondMDL <T, L> bond in objKeyBondColl)
{
KeyItemMDL <T> mdl = bond.KeyItem;
double dRemeberValue = mdl.ValidCount * MemoryDAL.CalcRemeberValue(objKeyBondColl.Parameter.TotalOffset - mdl.UpdateOffset, objKeyBondColl.Parameter);
if (dRemeberValue > objKeyBondColl.Parameter.Threshold)
{
mdl.ValidCount = dRemeberValue;
mdl.UpdateOffset = 0;
if (!objResultColl.Contains(mdl.Key))
{
dClearValidCount += mdl.ValidCount;
double dProb = mdl.ValidCount / dTotalVaildCount;
objKeyBondColl.Parameter.Entropy += -dProb *Math.Log(dProb);
if (bIsParentTotalOffset)
{
bond.LinkColl.Parameter.TotalOffset = objKeyBondColl.Parameter.TotalOffset;
}
bond.LinkColl = KeyItemDAL.ClearKeyItemColl <L>(bond.LinkColl);
objResultColl.Add(bond);
}
}
}
objResultColl.Parameter.TotalOffset = 0;
objResultColl.Parameter.TotalValidCount = dClearValidCount;
return(objResultColl);
}