public void UpdateValues <T, TKey>(List <T> getExistLists, List <T> getNowLists, Func <T, TKey> getCompareKey,
Func <T, T, bool> getKey) where T : EntityBase
{
var entityDiff = new EntityDiff <T, TKey>(getExistLists, getNowLists, getCompareKey);
entityDiff.DeletedEntities.ForEach(p => UpdateEntityState(p, EntityState.Deleted));
getExistLists.AddRange(entityDiff.AddedEntities);
foreach (var modEntity in entityDiff.ModifiedEntities)
{
var oldEntity = getExistLists.Where(p => getKey(modEntity, p)).FirstOrDefault();
UpdateEntityValues(oldEntity, modEntity);
}
}
/// <summary>
/// 更新1对多关系的实体值
/// </summary>
///<param name="existEntity">数据库存在的实体</param>
///<param name="nowEntity">当前存在的实体</param>
///<param name="getChilds">获取1对多关系的实体回调</param>
///<param name="getCompareKey">实体差异比较条件回调</param>
///<param name="getKey">实体更新获取数据库实体的条件回调</param>
/// <returns>VOID/returns>
public void UpdateValues <T, T1, TKey>(T existEntity, T nowEntity, Func <T, List <T1> > getChilds,
Func <T1, TKey> getCompareKey, Func <T1, T1, bool> getKey) where T : EntityBase where T1 : EntityBase
{
UpdateEntityValues(existEntity, nowEntity);
var entityDiff = new EntityDiff <T1, TKey>(getChilds(existEntity), getChilds(nowEntity), getCompareKey);
entityDiff.DeletedEntities.ForEach(p => UpdateEntityState(p, EntityState.Deleted));
getChilds(existEntity).AddRange(entityDiff.AddedEntities);
foreach (var modEntity in entityDiff.ModifiedEntities)
{
var oldEntity = getChilds(existEntity).Where(p => getKey(modEntity, p)).FirstOrDefault();
UpdateEntityValues(oldEntity, modEntity);
}
}
/// <summary>
/// </summary>
/// <returns></returns>
public void UpdateNodeValues <T, TKey>(T existNode, T nowNode, Func <T, List <T> > getChilds, Func <T, TKey> getCompareKey,
Func <T, T, bool> getEntityKey, Func <T, T> getNewNode, Action <T, T> getConfig) where T : EntityBase
{
UpdateEntityValues(existNode, nowNode);
var entityDiff = new EntityDiff <T, TKey>(getChilds(existNode), getChilds(nowNode), getCompareKey);
//删除
entityDiff.DeletedEntities.ForEach(node => DeleteNode(node, getChilds));
//新增
entityDiff.AddedEntities.ForEach(node =>
{
var newChildNode = getNewNode(existNode);
// getConfig(newChildNode, node);
InsertEntity(newChildNode);
getChilds(existNode).Add(newChildNode);
AddNodeValues(newChildNode, node, getChilds, getNewNode, getConfig);
});
//更新
entityDiff.ModifiedEntities.ForEach(modNode =>
{
var existEntity = getChilds(existNode).Where(n => getEntityKey(modNode, n)).FirstOrDefault();
UpdateNodeValues(existEntity, modNode, getChilds, getCompareKey, getEntityKey, getNewNode, getConfig);
});
}
