/// <summary>
/// 向集合追加一个成员
/// </summary>
/// <param name="findExp"></param>
/// <param name="member"></param>
public void Push(string findExp, DTObject member)
{
ValidateReadOnly();
DTEList entity = FindEntity <DTEList>(findExp, false);
if (entity == null)
{
var query = QueryExpression.Create(findExp);
_root.SetEntity(query, (name) =>
{
var dte = DTOPool.CreateDTEList(this.IsPinned);
dte.Name = name;
return(dte);
});
entity = FindEntity <DTEList>(findExp, true);
}
;
if (member == null)
{
return;
}
entity.Push(member);
}
public DTObject CreateAndPush(string findExp)
{
ValidateReadOnly();
DTEList entity = GetOrCreateList(findExp);
return(entity.CreateAndPush());
}
public DTObjects GetList(string findExp, bool throwError)
{
DTEList entity = FindEntity <DTEList>(findExp, throwError);
if (entity == null)
{
return(null);
}
return(entity.GetObjects());
}
public static DTObjectList CreateObjectList(DTEList owner, bool isPinned)
{
var list = isPinned ? new DTObjectList() : Symbiosis.TryMark(_objectListPool, () =>
{
return(new DTObjectList());
});
list.Init(owner, isPinned);
return(list);
}
/// <summary>
/// 保留集合指定序号的条目，移除其他项
/// </summary>
/// <param name="listExp"></param>
/// <param name="indexs"></param>
public void RetainAts(string listExp, IList <int> indexs)
{
ValidateReadOnly();
DTEList entity = FindEntity <DTEList>(listExp, false);
if (entity != null)
{
entity.RetainAts(indexs);
}
}
public void Push(string findExp, IEnumerable list, Action <DTObject, object> action)
{
ValidateReadOnly();
DTEList entity = GetOrCreateList(findExp);
foreach (object item in list)
{
DTObject dto = entity.CreateAndPush();
action(dto, item);
}
}
private DTEList GetOrCreateList(string findExp)
{
DTEList entity = FindEntity <DTEList>(findExp, false);
if (entity == null)
{
var query = QueryExpression.Create(findExp);
_root.SetEntity(query, (name) =>
{
var dte = DTOPool.CreateDTEList(this.IsPinned);
dte.Name = name;
return(dte);
});
entity = FindEntity <DTEList>(findExp, true);
}
return(entity);
}
/// <summary>
/// 如果不存在findExp对应的列表，那么创建
/// </summary>
/// <param name="findExp"></param>
public void SetList(string findExp)
{
ValidateReadOnly();
DTEList entity = FindEntity <DTEList>(findExp, false);
if (entity == null)
{
var query = QueryExpression.Create(findExp);
_root.SetEntity(query, (name) =>
{
var dte = DTOPool.CreateDTEList(this.IsPinned);
dte.Name = name;
return(dte);
});
}
;
}
private TypeEntry CreateEntry(DTEList e)
{
var name = e.Name; //条目名称
string typeName = GetPathName(name);
if (e.Items.Count == 0)
{
throw new DTOException(string.Format(Strings.DTONotSpecifyType, typeName));
}
if (e.Items.Count > 1)
{
throw new DTOException(string.Format(Strings.DTOListTypeCountError, typeName));
}
var metadataCode = GetItemMetadataCode(typeName, e.Items[0]);
return(new ListEntry(this, name, typeName, metadataCode));
}
public void Reset()
{
this.Clear();
_list = null;
_owner = null;
}
public void Init(DTEList owner, bool isPinned)
{
_owner = owner;
this.IsPinned = isPinned;
_list = DTOPool.CreateObjects(isPinned);
}
