/// <summary>
/// 调用服务在服务端升级数据库。
/// </summary>
/// <param name="options"></param>
private static void MigrateOnServer(MigratingOptions options)
{
var win = new WaitDialog();
win.Width = 500;
win.IsIndeterminate = true;
win.ShowInTaskbar = false;
win.Text = "正在服务端执行数据库升级操作，请稍等……";
Exception exception = null;
ThreadPool.QueueUserWorkItem(oo =>
{
try
{
var svc = ServiceFactory.Create<MigrateService>();
svc.Options = options;
svc.Invoke();
}
catch (Exception ex)
{
exception = ex;
}
Action ac = () => win.DialogResult = true;
win.Dispatcher.BeginInvoke(ac);
});
win.ShowDialog();
if (exception != null) { throw new Rafy.DbMigration.DbMigrationException("数据库升级时出错，请查看 InnerException。", exception); }
}
/// <summary>
/// 在进行条中执行指定数据库的升级操作。
/// </summary>
/// <param name="dbSetting"></param>
/// <param name="action"></param>
private static void MigrateInProgressBar(string dbSetting, Action<RafyDbMigrationContext> action)
{
using (var c = new RafyDbMigrationContext(dbSetting))
{
c.RunDataLossOperation = DataLossOperation.All;
if (!RafyDbMigrationContext.IsEnabled())
{
action(c);
//c.DeleteDatabase();
//c.AutoMigrate();
//其它一些可用的API
//c.ClassMetaReader.IgnoreTables.Add("ReportObjectMetaData");
//c.RollbackToHistory(DateTime.Parse("2008-12-31 23:59:58.700"), RollbackAction.DeleteHistory);
//c.DeleteDatabase();
//c.ResetHistories();
//c.RollbackAll();
//c.JumpToHistory(DateTime.Parse("2012-01-07 21:27:00.000"));
}
else
{
var win = new WaitDialog();
win.Width = 500;
win.Opacity = 0;
win.ShowInTaskbar = false;
win.Text = string.Format("正在生成 {0} 数据库，请稍侯……", dbSetting);
Exception exception = null;
ThreadPool.QueueUserWorkItem(oo =>
{
try
{
bool first = false;
c.ItemMigrated += (o, e) =>
{
if (!first)
{
Action setVisible = () => win.Opacity = 1;
win.Dispatcher.Invoke(setVisible);
first = true;
}
win.ProgressValue = new ProgressValue
{
Percent = 100 * e.Index / (double)e.TotalCount
};
};
action(c);
}
catch (Exception ex)
{
exception = ex;
}
Action ac = () => win.DialogResult = true;
win.Dispatcher.BeginInvoke(ac);
});
win.ShowDialog();
if (exception != null) { throw new Rafy.DbMigration.DbMigrationException("数据库升级时出错，请查看 InnerException。", exception); }
}
}
}
