public List<XuyangEntity> XYCRUDRetrieve(XuyangEntity entityR, XuyangSchoolbag bag)
{
MessageBox.Show("查询成功。");
entityR = entityR as HelloEntity;
List<XuyangEntity> entities = new List<XuyangEntity>() { entityR };
return entities;
}
/// <summary>
/// 删除实体对象
/// </summary>
/// <param name="entityD">实体对象</param>
/// <param name="bag">背包信息</param>
/// <returns>实体对象</returns>
public XuyangEntity Delete(XuyangEntity entityD, XuyangSchoolbag bag)
{
try
{
if (this.status != XuyangStatus.Normal)
{
bool ignore = this.NotifyUserNotNormal(entityD, bag);
if (!ignore) return null;
}
xYCRUD.XYCRUDDelete(entityD, bag);
this.status = XuyangStatus.Normal;
this.SetFormLock(true);
return entityD;
}
catch (Exception ex)
{
throw new Exception("XuyangCommand异常", ex);
}
}
/// <summary>
/// 保存新建的实体对象
/// </summary>
/// <param name="entityC">实体对象</param>
/// <param name="bag">背包信息</param>
/// <returns>实体对象</returns>
public XuyangEntity Create(XuyangEntity entityC, XuyangSchoolbag bag)
{
try
{
if (this.status != XuyangStatus.Creating)
{
bool ignore = this.NotifyUserNotCreating(entityC, bag);
if (!ignore) return null;
}
if (!this.XYRequiredFullfilled()) return null;
XuyangEntity entityCreated = xYCRUD.XYCRUDCreate(entityC, bag);
this.status = XuyangStatus.Normal;
this.SetFormLock(true);
return entityCreated;
}
catch (Exception ex)
{
throw new Exception("XuyangCommand异常", ex);
}
}
public XuyangEntity XYCRUDUpdate(XuyangEntity entityU, XuyangSchoolbag bag)
{
MessageBox.Show("更新成功。");
return new HelloEntity();
}
public XuyangEntity XYCRUDDelete(XuyangEntity entityD, XuyangSchoolbag bag)
{
MessageBox.Show("删除成功。");
return entityD;
}
public XuyangEntity XYCRUDCreate(XuyangEntity entityC, XuyangSchoolbag bag)
{
MessageBox.Show("新建成功。");
return new HelloEntity();
}
/// <summary> /// 通知用户此窗台未处于[普通/待查询/待删除]状态 /// </summary> /// <param name="entityR">查询条件</param> /// <param name="bag">背包信息</param> /// <returns>忽略</returns> protected abstract bool NotifyUserNotNormal(XuyangEntity entityR, XuyangSchoolbag bag);
/// <summary> /// 通知用户此窗体未处于[编辑中/待更新]状态 /// </summary> /// <param name="entityU">待更新的实体对象</param> /// <param name="bag">背包信息</param> /// <returns>忽略</returns> protected abstract bool NotifyUserNotEditing(XuyangEntity entityU, XuyangSchoolbag bag);
/// <summary> /// 通知用户此窗体未处于[创建中/保存前]状态 /// </summary> /// <param name="entityC">待保存的实体对象</param> /// <param name="bag">背包信息</param> /// <returns>忽略</returns> protected abstract bool NotifyUserNotCreating(XuyangEntity entityC, XuyangSchoolbag bag);
/// <summary>
/// 获取实体对象列表
/// </summary>
/// <param name="entityR">查询条件</param>
/// <param name="bag">背包信息</param>
/// <returns>实体对象列表</returns>
public List<XuyangEntity> Retrieve(XuyangEntity entityR, XuyangSchoolbag bag)
{
try
{
if (this.status != XuyangStatus.Normal)
{
bool ignore = this.NotifyUserNotNormal(entityR, bag);
if (!ignore) return null;
}
List<XuyangEntity> entities = xYCRUD.XYCRUDRetrieve(entityR, bag);
this.status = XuyangStatus.Normal;
this.SetFormLock(true);
return entities;
}
catch (Exception ex)
{
throw new Exception("XuyangCommand异常", ex);
}
}