private object InternalExecute()
{
AMSOperationContext context = new AMSOperationContext(this.OperationType, this);
ExecutionWrapper("PrepareData", () => PrepareData(context));
ExecutionWrapper("PrepareOperationLog", () => PrepareOperationLog(context));
object result = null;
if (this.AutoStartTransaction)
{
using (TransactionScope scope = TransactionScopeFactory.Create())
{
ExecutionWrapper("DoOperation", () => result = DoOperation(context));
ExecutionWrapper("PersistOperationLog", () => PersistOperationLog(context));
scope.Complete();
}
}
else
{
ExecutionWrapper("DoOperation", () => result = DoOperation(context));
ExecutionWrapper("PersistOperationLog", () => PersistOperationLog(context));
}
return(result);
}
protected override object DoOperation(AMSOperationContext context)
{
if (this._DataAction != null)
{
this._DataAction(this._Key);
}
return(this._Key);
}
private void PersistOperationLog(AMSOperationContext context)
{
using (TransactionScope scope = TransactionScopeFactory.Create())
{
context.Logs.ForEach(log => UserOperationLogSqlAdapter.Instance.Add(log));
scope.Complete();
}
}
protected override void PrepareOperationLog(AMSOperationContext context)
{
UserOperationLog log = new UserOperationLog();
log.Subject = this.GetOperationDescription();
log.ResourceID = this._Key.ToString();
log.FillHttpContext();
context.Logs.Add(log);
}
protected override object DoOperation(AMSOperationContext context)
{
try
{
return(AMSEventSqlAdapter.Instance.AddChannel(this.EventID, this.ChannelIDs));
}
catch (System.Data.SqlClient.SqlException ex)
{
if (ex.Number == 2627)
{
throw new SystemSupportException(string.Format("在事件{0}中不能增加重复的频道", this.EventID));
}
else
{
throw;
}
}
}
protected override object DoOperation(AMSOperationContext context)
{
return(AMSEventSqlAdapter.Instance.DeleteChannels(this.EventID, this.ChannelIDs));
}
/// <summary>
/// 重载了准备数据，进行校验
/// </summary>
/// <param name="context"></param>
protected override void PrepareData(AMSOperationContext context)
{
base.PrepareData(context);
this.Validate();
}
/// <summary>
/// 准备操作日志
/// </summary>
/// <param name="context"></param>
protected virtual void PrepareOperationLog(AMSOperationContext context)
{
}
/// <summary>
/// 准备数据，包括校验数据。这个操作在事务之外
/// </summary>
/// <param name="context"></param>
protected virtual void PrepareData(AMSOperationContext context)
{
}
/// <summary> /// 执行在事务内具体的数据操作，需要重载 /// </summary> /// <param name="context"></param> /// <returns></returns> protected abstract object DoOperation(AMSOperationContext context);