/// <summary>
/// 添加成员
/// </summary>
/// <param name="member"></param>
/// <param name="byImport">是否导入的成员，是则不再生成标识</param>
internal void AddMember(EntityMemberModel member, bool byImport = false)
{
CheckDesignMode();
CheckOwner(member.Owner);
if (!byImport)
{
//TODO:通过设计时上下文获取ApplicationModel是否导入，从而确认当前Layer
var layer = ModelLayer.DEV;
var seq = layer == ModelLayer.DEV ? ++_devMemberIdSeq : ++_usrMemberIdSeq;
if (seq >= MaxMemberId)
{
throw new Exception("MemberId out of range");
}
ushort memberId = (ushort)(seq << IdUtil.MEMBERID_SEQ_OFFSET | (ushort)layer << IdUtil.MEMBERID_LAYER_OFFSET);
member.InitMemberId(memberId);
}
Members.Add(member);
if (!member.AllowNull) //注意仅none nullable
{
ChangeSchemaVersion();
}
OnPropertyChanged();
}
/// <summary>
/// Only used for StoreInitiator
/// </summary>
internal void AddSysMember(EntityMemberModel member, ushort id)
{
CheckDesignMode();
CheckOwner(member.Owner);
member.InitMemberId(id); //注意：传入id已处理Layer标记位
Members.Add(member);
}
internal virtual void UpdateFrom(EntityMemberModel from)
{
if (Name != from.Name)
{
Name = from.Name;
//TODO:如果字典表重构，从字典表中移除旧名称，添加新名称 Owner.RenameMember()
}
AllowNull = from.AllowNull;
Comment = from.Comment;
}
/// <summary>
/// 重命名成员
/// </summary>
internal void RenameMember(string oldName, string newName)
{
CheckDesignMode();
if (string.IsNullOrEmpty(oldName) || string.IsNullOrEmpty(newName))
{
throw new ArgumentNullException();
}
if (oldName == newName)
{
Log.Warn("Rename: name is same");
return;
}
EntityMemberModel m = GetMember(oldName);
m.RenameTo(newName);
//TODO: 如果改为字典表以下需要重新加入
//Members.Remove(oldName);
//Members.Add(newName, m);
}
/// <summary>
/// 根据成员名称删除成员，如果是EntityRef成员同时删除相关隐藏成员
/// </summary>
internal void RemoveMember(string memberName)
{
CheckDesignMode();
EntityMemberModel m = GetMember(memberName, true);
//如果实体模型是新建的或成员是新建的直接移除
if (PersistentState == Data.PersistentState.Detached ||
m.PersistentState == Data.PersistentState.Detached)
{
if (m is EntityRefModel refModel)
{
foreach (var fk in refModel.FKMemberIds)
{
Members.Remove(GetMember(fk, true));
}
if (refModel.IsAggregationRef)
{
Members.Remove(GetMember(refModel.TypeMemberId, true));
}
}
Members.Remove(m);
return;
}
//标为删除状态
m.MarkDeleted();
if (m is EntityRefModel refModel2)
{
foreach (var fk in refModel2.FKMemberIds)
{
GetMember(fk, true).MarkDeleted();
}
if (refModel2.IsAggregationRef)
{
GetMember(refModel2.TypeMemberId, true).MarkDeleted();
}
}
ChangeSchemaVersion();
OnPropertyChanged();
}