private void DeleteRoot(DomainObject obj)
{
if (obj == null || obj.IsEmpty())
{
return;
}
var ar = obj as IAggregateRoot;
if (ar == null)
{
throw new DataAccessException(Strings.CanNotDeleteNonAggregateRoot);
}
CheckDataVersion(obj);
var rootId = ar.GetIdentity();
OnPreDataDelete(obj);
if (DeleteData(rootId, rootId))
{
DeleteMembers(obj, obj, obj);
OnDataDeleted(rootId, rootId, obj);
}
}
internal void Update(DomainObject obj)
{
if (obj == null || obj.IsEmpty())
{
return;
}
DomainObject root = null;
if (this.Type == DataTableType.AggregateRoot)
{
root = obj;
}
if (root == null || root.IsEmpty())
{
throw new DomainDrivenException(string.Format(Strings.PersistentObjectError, obj.ObjectType.FullName));
}
if (obj.IsDirty)
{
CheckDataVersion(root);
OnPreDataUpdate(obj);
if (UpdateData(root, null, obj))
{
OnDataUpdated(root, obj);
}
}
else
{
//如果对象不是脏的，但是要求修改，那么有可能是该对象的引用链上的对象发生了变化，所以我们移除该对象的缓冲
DomainBuffer.Public.Remove(obj.ObjectType, GetObjectId(obj));
}
}
/// <summary>
/// 插入成员数据
/// </summary>
/// <param name="root"></param>
/// <param name="parent"></param>
/// <param name="obj"></param>
/// <returns>成员有可能已经在别的引用中被插入，此时返回false,否则返回true</returns>
private void InsertMember(DomainObject root, DomainObject parent, DomainObject obj)
{
if (obj == null || obj.IsEmpty())
{
return;
}
//我们需要先查，看数据库中是否存在数据，如果不存在就新增，存在就增加引用次数
var existObject = QuerySingle(GetObjectId(root), GetObjectId(obj));
if (existObject.IsNull())
{
OnPreDataInsert(obj);
var data = InsertData(root, parent, obj);
OnDataInserted(root, obj, data);
}
else
{
if (this.IsDerived)
{
this.InheritedRoot.IncrementAssociated(GetObjectId(root), GetObjectId(obj));
}
else
{
//递增引用次数
IncrementAssociated(GetObjectId(root), GetObjectId(obj));
}
}
}
private void UpdateMember(DomainObject root, DomainObject parent, DomainObject obj)
{
if (obj == null || obj.IsEmpty() || !obj.IsDirty)
{
return;
}
if (UpdateData(root, parent, obj))
{
OnDataUpdated(root, obj);
}
}
/// <summary>
/// 删除成员（该方法用于删除 ValueObject,EntityObject等对象）
/// </summary>
/// <param name="root"></param>
/// <param name="parent"></param>
/// <param name="obj"></param>
private void DeleteMember(DomainObject root, DomainObject parent, DomainObject obj)
{
if (obj == null || obj.IsEmpty())
{
return;
}
var rootId = GetObjectId(root);
var id = GetObjectId(obj);
if (DeleteData(rootId, id))
{
DeleteMembers(root, parent, obj);
OnDataDelete(rootId, id, obj);
}
}
private static IEnumerable <string> GetIndexs()
{
DomainObject.CheckInitialized();
List <string> tables = new List <string>();
foreach (var objectType in DomainObject.TypeIndex)
{
if (DomainObject.IsEmpty(objectType))
{
continue;
}
var fileds = GetObjectFields(objectType, false);
tables.Add(objectType.Name);
tables.AddRange(DataTable.GetRelatedNames(objectType, fileds));
}
return(tables.Distinct());
}
private static IEnumerable <string> GetIndexs()
{
List <string> tables = new List <string>();
foreach (var objectType in DomainObject.TypeIndex)
{
if (DomainObject.IsEmpty(objectType))
{
continue;
}
var fileds = DataModel.GetObjectFields(objectType, false);
AddIndexName(tables, objectType.Name);
var relatedNames = GetRelatedNames(objectType, fileds);
foreach (var relatedName in relatedNames)
{
AddIndexName(tables, relatedName);
}
}
return(tables.Distinct());
}
internal void Insert(DomainObject obj)
{
if (obj == null || obj.IsEmpty() || !obj.IsDirty)
{
return;
}
DomainObject root = null;
if (this.Type == DataTableType.AggregateRoot)
{
root = obj;
}
if (root == null || root.IsEmpty())
{
throw new DomainDrivenException(string.Format(Strings.PersistentObjectError, obj.ObjectType.FullName));
}
var data = InsertData(root, null, obj);
OnDataInsert(root, obj, data);
}
internal void Update(DomainObject obj)
{
if (obj == null || obj.IsEmpty() || !obj.IsDirty)
{
return;
}
DomainObject root = null;
if (this.Type == DataTableType.AggregateRoot)
{
root = obj;
}
if (root == null || root.IsEmpty())
{
throw new DomainDrivenException(string.Format(Strings.PersistentObjectError, obj.ObjectType.FullName));
}
CheckDataVersion(root);
if (UpdateData(root, null, obj))
{
OnDataUpdate(root, obj);
}
}