internal float GetStatistic(int indexId, IndexCostSource src, IndexCostType type, IndexCostInformation info,
int?theoreticalIndexSize)
{
IndexInfo <T> index;
var i = _indexes.Where(p => p.IndexID == indexId);
if (i.Count() != 1)
{
throw new WronxIndexIdException(indexId);
}
else
{
index = i.Single();
}
switch (src)
{
case IndexCostSource.Statistic:
return(getStatistics(index, type, info));
case IndexCostSource.Theoretic:
return(getTheoretical(GetIndex(indexId), type, info, theoreticalIndexSize));
default:
throw new UnexpectedStatisticSourceException(src);
}
}
public UnexpectedStatisticTypeException(IndexCostType type)
: base(String.Format("Unexpected index statistic type requested: {0}", type.ToString()))
{
}
private float getTheoretical(IIndex <T> index, IndexCostType type, IndexCostInformation info,
int?theoreticalIndexSize)
{
IndexOperationCost statisticInfo;
switch (info)
{
case IndexCostInformation.OneObjectSearch:
statisticInfo = index.ObjectFindCost(theoreticalIndexSize == null ? 0 : (int)theoreticalIndexSize);
break;
case IndexCostInformation.OneObjectIndexAdd:
statisticInfo =
index.ObjectIndexingCost(theoreticalIndexSize == null ? 0 : (int)theoreticalIndexSize);
break;
case IndexCostInformation.OneObjectIndexRemove:
statisticInfo =
index.ObjectIndexRemoveCost(theoreticalIndexSize == null ? 0 : (int)theoreticalIndexSize);
break;
case IndexCostInformation.OneObjectIndexRefresh:
statisticInfo =
index.ObjectIndexRefreshCost(theoreticalIndexSize == null ? 0 : (int)theoreticalIndexSize);
break;
case IndexCostInformation.OneRoleIndexRefresh:
statisticInfo =
index.RoleIndexRefreshCost(theoreticalIndexSize == null ? 0 : (int)theoreticalIndexSize);
break;
case IndexCostInformation.OneRoleIndexRemove:
statisticInfo =
index.RoleIndexRemoveCost(theoreticalIndexSize == null ? 0 : (int)theoreticalIndexSize);
break;
case IndexCostInformation.OneRoleIndexing:
statisticInfo = index.RoleIndexingCost(theoreticalIndexSize == null ? 0 : (int)theoreticalIndexSize);
break;
case IndexCostInformation.OneRoleSearch:
statisticInfo = index.RoleFindCost(theoreticalIndexSize == null ? 0 : (int)theoreticalIndexSize);
break;
default:
throw new UnexpectedStatisticRequestException(info);
}
int ret;
switch (type)
{
case IndexCostType.Optimistic:
ret = statisticInfo.OptimisticCost;
break;
case IndexCostType.Pessimistic:
ret = statisticInfo.PessimisticCost;
break;
case IndexCostType.Average:
ret = statisticInfo.AverageCost;
break;
default:
throw new UnexpectedStatisticTypeException(type);
}
return(ret);
}
private float getStatistics(IndexInfo <T> index, IndexCostType type, IndexCostInformation info)
{
StatisticInfo statisticInfo;
switch (info)
{
case IndexCostInformation.OneObjectSearch:
statisticInfo = index.IndexStatistic.ObjectSearch;
break;
case IndexCostInformation.OneObjectIndexAdd:
statisticInfo = index.IndexStatistic.ObjectIndexing;
break;
case IndexCostInformation.OneObjectIndexRemove:
statisticInfo = index.IndexStatistic.ObjectIndexRemove;
break;
case IndexCostInformation.OneObjectIndexRefresh:
statisticInfo = index.IndexStatistic.ObjectIndexRefresh;
break;
case IndexCostInformation.HitRatio:
statisticInfo = index.IndexStatistic.HitRatio;
break;
case IndexCostInformation.OneRoleIndexRefresh:
statisticInfo = index.IndexStatistic.RoleIndexRefresh;
break;
case IndexCostInformation.OneRoleIndexRemove:
statisticInfo = index.IndexStatistic.RoleIndexRemove;
break;
case IndexCostInformation.OneRoleIndexing:
statisticInfo = index.IndexStatistic.RoleIndexing;
break;
case IndexCostInformation.OneRoleSearch:
statisticInfo = index.IndexStatistic.RoleSearch;
break;
default:
throw new UnexpectedStatisticRequestException(info);
}
float ret;
switch (type)
{
case IndexCostType.Optimistic:
ret = statisticInfo.Optimistic;
break;
case IndexCostType.Pessimistic:
ret = statisticInfo.Pessimistic;
break;
case IndexCostType.Average:
ret = statisticInfo.Average;
break;
default:
throw new UnexpectedStatisticTypeException(type);
}
return(ret);
}
public float GetStatistic(int indexID, IndexCostSource src, IndexCostType type, IndexCostInformation info,
int?theoreticalIndexSize)
{
return(global::IndexMechanism.IndexManager.IndexManager <T> .GetInstance().GetStatistic(indexID, src, type, info, theoreticalIndexSize));
}
