/// <summary>
/// 实体关联
/// </summary>
/// <param name="filedName">新建属性名称</param>
/// <param name="entitySet">目标实体集</param>
/// <param name="relateFiledName">关联属性名称</param>
/// <param name="targetFiledName">关联目标实体集属性名称</param>
/// <param name="relateType">关联类型</param>
public void Relate(string filedName, EntitySet entitySet, string relateFiledName, string targetFiledName, EntityRelateType relateType)
{
int count = this.Count;
for (int i = 0; i < count; i++)
{
Entity o = this[i];
object val = o.Get(relateFiledName);
if (relateType == EntityRelateType.OneToOne)
{
o.Set(filedName, entitySet.GetFirst(targetFiledName, val));
}
else if (relateType == EntityRelateType.OneToMany)
{
o.Set(filedName, entitySet.GetEntitySet(targetFiledName, val));
}
}
}
public EntitySet GetEntitySet(string name, object val)
{
if (val == null)
val = NULL_VALUE;
List<Entity> entityList = this.GetList(name, val);
EntitySet es = new EntitySet(entityList);
return es;
}
public static EntitySet GetEntitySet(ActionResponse res, string resultName)
{
ActionResult rs = res.GetResult(resultName);
EntitySet es = new EntitySet();
for (int i = 0; i < rs.Count; i++)
{
Entity o = new Entity(rs.GetDict(i));
es.Add(o);
}
return es;
}