/// <summary>
/// 关联主表和分表的数据
/// </summary>
/// <typeparam name="M">主表类</typeparam>
/// <typeparam name="O">分表类</typeparam>
/// <typeparam name="C">关联值</typeparam>
/// <param name="mainList">主表数据集合</param>
/// <param name="otherList">分表数据集合</param>
/// <param name="mainData">主表主键委托</param>
/// <param name="otherData">分表关联值委托</param>
/// <param name="connectDataFunc">关联委托</param>
public static void RelationList <M, O, C>(List <M> mainList, MainData <M, C> mainData, List <O> otherList, OtherData <O, C> otherData, ConnectDataFunc <M, O> connectDataFunc)
{
if (mainList == null || mainList.Count == 0 || otherList == null || otherList.Count == 0)
{
return;
}
Dictionary <C, O> otherMap = new Dictionary <C, O>();
foreach (O other in otherList)
{
otherMap.Add(otherData(other), other);
}
C connVal;
foreach (M main in mainList)
{
connVal = mainData(main);
if (otherMap.ContainsKey(connVal))
{
connectDataFunc(main, otherMap[connVal]);
}
}
}
/// <summary>
/// 关联方法，可多次使用，每次关联不同的分表。
/// </summary>
/// <typeparam name="O"></typeparam>
/// <param name="otherList"></param>
/// <param name="otherData"></param>
/// <param name="connectDataFunc"></param>
/// <returns></returns>
public MultiRelation <M, C> Relation <O>(List <O> otherList, OtherData <O, C> otherData, ConnectDataFunc <M, O> connectDataFunc)
{
if (mainList == null || mainList.Count == 0 || otherList == null || otherList.Count == 0)
{
return(this);
}
C connVal;
foreach (O other in otherList)
{
connVal = otherData(other);
if (mainMap.ContainsKey(connVal))
{
connectDataFunc(mainMap[connVal], other);
}
}
return(this);
}
