public void PersistAll()
{
//新实例数据表
DataTable newTable = new DataTable("NewTable");
//修改的实例数据表
DataTable modifiedTable = new DataTable("ModifiedTable");
//删除的实例数据表
DataTable removedTable = new DataTable("removedTable");
foreach (TEntity entity in this._newList)
{
entity.AlterToRow(newTable);
}
foreach (TEntity entity in this._modifiedList)
{
entity.AlterToRow(modifiedTable);
}
foreach (TEntity entity in this._removedList)
{
entity.AlterToRow(removedTable);
}
if (newTable.Rows.Count != 0)
{
TPersist <TEntity> .PersistAll(newTable, DbOperation.Insert);
}
if (modifiedTable.Rows.Count != 0)
{
TPersist <TEntity> .PersistAll(modifiedTable, DbOperation.Update);
}
if (removedTable.Rows.Count != 0)
{
TPersist <TEntity> .PersistAll(removedTable, DbOperation.Delete);
}
this._newList.Clear();
this._modifiedList.Clear();
this._removedList.Clear();
}
public void PersistAll()
{
#region 转换成DataTable
//新添加元素
DataTable newStorysTable = new DataTable("NewStorys");
DataTable newCommentsTable = new DataTable("NewComments");
//修改过的元素
DataTable modifiedStorysTable = new DataTable("ModifiedStorys");
DataTable modifiedCommentsTable = new DataTable("ModifiedComments");
//被删除的元素
DataTable removedStorysTable = new DataTable("RemovedStorys");
DataTable removedCommentsTable = new DataTable("RemovedComments");
//新博文
foreach (BlogStory bs in this._newStorys)
{
bs.AlterToRow(newStorysTable);
}
//新回复
foreach (Guid id in this._newCommentDic.Keys)
{
foreach (BlogComment c in this._newCommentDic[id])
{
c.AlterToRow(newCommentsTable);
}
}
//更新的博文
foreach (BlogStory bs in this._modifiedStorys)
{
bs.AlterToRow(modifiedStorysTable);
}
//更新的回复
foreach (Guid id in this._modifiedCommentDic.Keys)
{
foreach (BlogComment c in this._modifiedCommentDic[id])
{
c.AlterToRow(modifiedCommentsTable);
}
}
//删除的博文
foreach (BlogStory bs in this._removedStorys)
{
bs.AlterToRow(removedStorysTable);
}
//删除的回复
foreach (Guid id in this._removedCommentDic.Keys)
{
foreach (BlogComment c in this._removedCommentDic[id])
{
c.AlterToRow(removedCommentsTable);
}
}
#endregion
#region 持久化
//添加
//BlogStoryPersist.AddAll(newStorysTable);
TPersist <BlogStory> .PersistAll(newStorysTable, DbOperation.Insert);
TPersist <BlogComment> .PersistAll(newCommentsTable, DbOperation.Insert);
//BlogStoryPersist.AddComments(newCommentsTable);
//更新
TPersist <BlogStory> .PersistAll(modifiedStorysTable, DbOperation.Update);
//TPersist<BlogComment>.PersistAll(modifiedCommentsTable, DbOperation.Update);
//删除
//BlogStoryPersist.RemoveAll(removedStorysTable);
TPersist <BlogStory> .PersistAll(removedStorysTable, DbOperation.Delete);
TPersist <BlogComment> .PersistAll(removedCommentsTable, DbOperation.Delete);
#endregion
#region 释放内存
this._newStorys.Clear();
this._newCommentDic.Clear();
this._removedStorys.Clear();
this._removedCommentDic.Clear();
this._modifiedStorys.Clear();
this._modifiedCommentDic.Clear();
#endregion
}