/// <summary>
/// 执行查询操作。
/// <remarks>可能执行本地查询，也可能是远程查询。</remarks>
/// </summary>
/// <param name="resultView"></param>
private void FireQuery(LogicalView resultView)
{
var args = new QueryEventArgs {
ResultView = resultView
};
this.OnQuerying(args);
//如果是本地查询模式，则尝试为 ListLogicalView 进行过滤。
var criteria = this.Current;
if (criteria.CanLocalFilter)
{
var listView = resultView as ListLogicalView;
if (listView != null)
{
listView.Filter = criteria.LocalFilter;
this.OnQueryCompleted(args);
return;
}
}
//需要复制一个查询对象，这样可以保存下当前的查询值，
//否则会造成 ReloadDataAsync 方法查询时不是使用当前的这些值来查询。
var queryCriteria = Entity.New(this.EntityType);
queryCriteria.Clone(this.Current, CloneOptions.NewComposition());
//导航面板的查询使用隐式查询。
resultView.DataLoader.LoadDataAsync(
() => RF.Find(resultView.EntityType).GetBy(queryCriteria),
() => this.OnQueryCompleted(args)
);
}
public void Execute()
{
var currentObject = this._currentView.Current as Entity;
//拷贝一个新的对象
var newObject = this.CopyObject(currentObject, null, true, CloneOptions.NewComposition());
this._currentView.RefreshControl();
this._currentView.Current = newObject;
}
/// <summary>
/// 保存实体归档
/// </summary>
/// <param name="repository">实体仓储</param>
/// <param name="entitiesToMigrate">实体集合</param>
private void BackupToHistory(IRepository repository, EntityList entitiesToMigrate)
{
var newList = repository.NewList();
newList.Clone(entitiesToMigrate, CloneOptions.NewComposition());
using (RdbDataProvider.RedirectDbSetting(_orignalDataDbSettingName, _backUpDbSettingName))
{
this.SaveList(repository, newList);
}
}
/// <summary>
/// 保存实体归档
/// </summary>
/// <param name="repository">实体仓储</param>
/// <param name="entitiesToMigrate">实体集合</param>
private void BackupToHistory(IRepository repository, EntityList entitiesToMigrate)
{
var options = CloneOptions.NewComposition();
options.Actions |= CloneActions.IdProperty;//Id 也需要拷贝。
options.Method = CloneValueMethod.LoadProperty;
var newList = repository.NewList();
newList.Clone(entitiesToMigrate, options);
using (RdbDataProvider.RedirectDbSetting(_orignalDataDbSettingName, _backUpDbSettingName))
{
this.SaveList(repository, newList);
}
}
