/// <summary>
/// Initializes a new instance for partitioned entity or sql entity with pk
/// </summary>
public Entity(ulong modelId, params EntityMember[] pks)
{
ModelId = modelId;
if (Model.SysStoreOptions != null)
{
if (!Model.SysStoreOptions.HasPartitionKeys
/*|| Model.PartitionKeys.Length != pks.Length 不能判断长度相等，因CreateTime*/)
{
throw new ArgumentException("Only ctor for partitioned entity");
}
Id = new EntityId();
InitMembers(Model);
for (int i = 0; i < Model.SysStoreOptions.PartitionKeys.Length; i++)
{
//TODO:验证Value类型是否一致
if (Model.SysStoreOptions.PartitionKeys[i].MemberId != 0)
{
ref EntityMember m = ref GetMember(Model.SysStoreOptions.PartitionKeys[i].MemberId);
m.GuidValue = pks[i].GuidValue;
m.ObjectValue = pks[i].ObjectValue;
m.Flag.HasValue = true;
}
}
}
protected override void InsertItem(int index, Entity item)
{
//插入分以下几种情况：
//1、Add添加新对象
//2、从查询结果内加载旧对象，包括树状结构查询（排序?）
//3、移动对象由Move(int,int)方法内处理，这里不用考虑
//4、树状结构子对象从其他地方移至这里
//如果属于Entity，则应设置item的相应属性
if (Parent != null)
{
//处理行号,1、树状全部直接加载，根据查询结果是否排序另行处理（先填充再排序，或直接查询排序）；
// 2、延迟加载无需处理行号，已排序；
// 3、新建的成员行号处理；
// 4、树状结构移入的成员处理
/*if (item.PersistentState == PersistentState.Detached)
* {
* this.AutoSetRowNumber(index, item, SetMemberModel.RefRowNumberMemberName);
* }
* else*/
if (item.PersistentState == PersistentState.Deleted) //表示树状结构间的移动
{
//先从原有的Owner的EntityList的已删除列表内移除，表示树状结构移动后重新插入
//注意：必须判断item原来是否是根级，如判断item.Parent是否有值
ref EntityMember entityRefMember = ref item.GetMember(EntitySetMember.RefMemberId);
if (entityRefMember.HasValue) //非根级
{
Entity entityRef = (Entity)entityRefMember.ObjectValue;
entityRef.GetEntitySet(EntitySetMember.MemberId).DeletedItems.Remove(item);
}
else //item原来即是根级，即从根级移至某一子级下
{
(item.Parent as EntityList)?.DeletedItems.Remove(item);
}
item.PersistentState = PersistentState.Modified;
//this.AutoSetRowNumber(index, item, SetMemberModel.RefRowNumberMemberName);
}//结束新建或删除状态判断
item.Parent = this;
item.SetEntityRef(EntitySetMember.RefMemberId, (Entity)Parent);
}
void IJsonSerializable.WriteToJson(Utf8JsonWriter writer, WritedObjects objrefs)
{
var model = Model;
EntityMemberModel mm;
for (int i = 0; i < model.Members.Count; i++)
{
mm = model.Members[i];
ref EntityMember m = ref GetMember(mm.Name);
switch (mm.Type)
{
case EntityMemberType.EntityRef:
if (m.HasValue) //注意：无加载值不写入给前端
{
writer.WritePropertyName(mm.Name);
writer.Serialize(m.ObjectValue, objrefs);
}
break;
case EntityMemberType.EntitySet:
if (m.HasValue) //注意：无加载值不写入给前端
{
writer.WritePropertyName(mm.Name);
writer.WriteList((IList)m.ObjectValue, objrefs);
}
break;
case EntityMemberType.EntityRefDisplayText:
if (m.HasValue) //注意：无加载值不写入给前端
{
writer.WritePropertyName(mm.Name);
writer.WriteStringValue((string)m.ObjectValue);
}
break;
case EntityMemberType.DataField:
writer.WritePropertyName(mm.Name);
if (m.HasValue)
{
switch (m.ValueType)
{
case EntityFieldType.Binary:
writer.WriteBase64StringValue((byte[])m.ObjectValue); break;
case EntityFieldType.Boolean:
writer.WriteBooleanValue(m.BooleanValue); break;
case EntityFieldType.Byte:
writer.WriteNumberValue(m.ByteValue); break;
case EntityFieldType.DateTime:
writer.WriteStringValue(m.DateTimeValue); break;
case EntityFieldType.Decimal:
writer.WriteNumberValue(m.DecimalValue); break;
case EntityFieldType.Double:
writer.WriteNumberValue(m.DoubleValue); break;
case EntityFieldType.Enum:
writer.WriteNumberValue(m.Int32Value); break;
case EntityFieldType.Float:
writer.WriteNumberValue(m.FloatValue); break;
case EntityFieldType.Guid:
writer.WriteStringValue(m.GuidValue); break;
case EntityFieldType.EntityId:
writer.WriteStringValue((Guid)((EntityId)m.ObjectValue)); break;
case EntityFieldType.Int16:
writer.WriteNumberValue(m.Int16Value); break;
case EntityFieldType.UInt16:
writer.WriteNumberValue(m.UInt16Value); break;
case EntityFieldType.Int32:
writer.WriteNumberValue(m.Int32Value); break;
case EntityFieldType.UInt32:
writer.WriteNumberValue(m.UInt32Value); break;
case EntityFieldType.Int64:
writer.WriteNumberValue(m.Int64Value); break;
case EntityFieldType.UInt64:
writer.WriteStringValue(m.UInt64Value.ToString()); break; //暂序列化为字符串
case EntityFieldType.String:
writer.WriteStringValue((string)m.ObjectValue); break;
default: throw new NotSupportedException();
}
}
else
{
writer.WriteNullValue();
}
break;
default:
throw ExceptionHelper.NotImplemented();
//writer.WritePropertyName(m.Name);
//writer.Serialize(m.BoxedValue);
//break;
}
}
public static bool IsValueSame(ref EntityMember a, ref EntityMember b)
{
return(a.GuidValue == b.GuidValue && a.ObjectValue == b.ObjectValue);
}
