private GUTag ReadGUTagFromR(SQLiteDataReader r)
{
GUTag tag = new GUTag();
//0. ID
tag.Id = r.GetGuid((int)FIELD_IDX.ID);
//1. Title
tag.AddAlias(r.GetString((int)FIELD_IDX.Title));
//2. Alias
string alias = r.GetString((int)FIELD_IDX.Alias);
string[] aliasList = alias.Split(new char[] { '\n' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string a in aliasList)
{
tag.AddAlias(a);
}
//3. PID
tag.PId = r.GetGuid((int)FIELD_IDX.PID);
//4. Children
string chilrend = r.GetString((int)FIELD_IDX.Children);
string[] childList = chilrend.Split(new char[] { '\n' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string c in childList)
{
tag.AddChild(Guid.Parse(c));
}
tag.Path = r.GetString((int)FIELD_IDX.Path);
return(tag);
}
public static GUTag MergeTag(GUTag iTag, GUTag oTag)
{
GUTag nTag = new GUTag();
//ID
nTag.Id = iTag.Id;
//PID
nTag.PId = iTag.PId;
//Alias
nTag.Alias.AddRange(iTag.Alias);
foreach (string s in iTag.Alias)
{
nTag.AddAlias(s);
}
//Children
nTag.Children.AddRange(iTag.Children);
foreach (Guid s in iTag.Children)
{
nTag.AddChild(s);
}
return(nTag);
}
//建立两个Tag之间的父子关系
public int SetParent(GUTag parent, GUTag child)
{
lock (this)
{
//添加的tag必须是有效节点
AssertValid(parent);
AssertValid(child);
GUTag pTag = QueryTag(parent.Id);
GUTag cTag = QueryTag(child.Id);
//保护性检查，防止调用无效
if (pTag != null && cTag != null)
{
pTag.AddChild(cTag);
System.Diagnostics.Debug.Assert(cTag.PId == pTag.Id);
AddUptSqlDB(pTag);
AddUptSqlDB(cTag);
ChangeNotify();
//Save(child); parent保存实际上已经保存所有了，这儿就不需要保存了。
}
return(ITagDBConst.R_OK);
}
}
