private int ExecuteQuery <T>(T data, Func <EntityQuery, EntityBase, int> fun, EntityQueryExecuteType executeType) where T : class
{
EntityBase entity = data as EntityBase;
if (entity == null) //T 是接口类型，data 是一个实现了该接口的DTO
{
T temp = EntityBuilder.CreateEntity <T>();
entity = temp as EntityBase;
entity.MapFrom(data, true);//使用该重载方法，可以不用调用下面一行代码
//entity.ResetChanges(true);
}
EntityQueryExecuteEventArgs args = new EntityQueryExecuteEventArgs(entity, executeType);
if (this.OnBeforeExecute != null)
{
this.OnBeforeExecute(this, args);
}
EntityQuery eq = new EntityQuery(CurrentDataBase);
int accept = fun(eq, entity);
args.Success = accept > 0;
if (this.OnAfterExecute != null)
{
this.OnAfterExecute(this, args);
}
return(accept);
}
/// <summary>
/// 使用实体类和查询类型初始化本类
/// </summary>
/// <param name="entity"></param>
/// <param name="executeType"></param>
public EntityQueryExecuteEventArgs(EntityBase entity, EntityQueryExecuteType executeType)
{
this.Entity = entity;
this.ExecuteType = executeType;
}