/// <summary>
/// 启动事件中的一个频道和节目
/// </summary>
/// <param name="eventData"></param>
/// <param name="ec"></param>
/// <param name="cancellationToken"></param>
private static void StartOneChannelAndProgram(AMSEvent eventData, AMSEventChannel ec, CancellationToken cancellationToken)
{
try
{
if (ec.State == AMSEventState.NotStart)
{
AMSEventSqlAdapter.Instance.UpdateEventChannelState(ec.EventID, ec.ChannelID, AMSEventState.Starting);
}
AMSChannel channel = StartChannel(ec.ChannelID, cancellationToken);
if (cancellationToken.IsCancellationRequested == false)
{
if (channel != null && channel.State == AMSChannelState.Running)
{
LockHelper.ExtendLockTime(eventData);
StartProgram(eventData, channel, ec, cancellationToken);
}
}
}
catch (System.Exception ex)
{
TraceHelper.AMSTaskTraceSource.TraceEvent(TraceEventType.Error, 60020, ex.ToString());
}
}
/// <summary>
/// 在一个事件下增加频道(UI上用于频道列表)
/// </summary>
/// <param name="eventID"></param>
/// <param name="channelIDs"></param>
/// <returns></returns>
public int AddChannel(string eventID, IEnumerable <string> channelIDs)
{
eventID.CheckStringIsNullOrEmpty("eventID");
channelIDs.NullCheck("channelIDs");
StringBuilder strB = new StringBuilder();
AMSEventChannel eventChannel = new AMSEventChannel();
eventChannel.EventID = eventID;
eventChannel.State = AMSEventState.NotStart;
eventChannel.IsDefault = false;
foreach (string channelID in channelIDs)
{
eventChannel.ChannelID = channelID;
if (strB.Length > 0)
{
strB.Append(TSqlBuilder.Instance.DBStatementSeperator);
}
strB.Append(ORMapping.GetInsertSql(eventChannel, TSqlBuilder.Instance));
}
int result = 0;
if (strB.Length > 0)
{
result = DbHelper.RunSqlWithTransaction(strB.ToString(), this.GetConnectionName());
}
return(result);
}
public int UpdateEventChannel(AMSEventChannel ec)
{
ec.NullCheck("ec");
string sql = ORMapping.GetUpdateSql(ec, TSqlBuilder.Instance);
return(DbHelper.RunSql(sql, this.GetConnectionName()));
}
private static void StartProgram(AMSEvent eventData, AMSChannel channel, AMSEventChannel ec, CancellationToken cancellationToken)
{
TraceHelper.AMSTaskTraceSource.TraceEvent(TraceEventType.Verbose, 60017, "Start Program:\n{0}", channel.ToTraceInfo());
SimulateOrExecuteAction(() => LiveChannelManager.StartProgram(channel, eventData, ec), () => ec.State = AMSEventState.Running);
AMSEventSqlAdapter.Instance.UpdateEventChannel(ec);
TraceHelper.AMSTaskTraceSource.TraceEvent(TraceEventType.Verbose, 60017, "Program Started:\n{0}", channel.ToTraceInfo());
}
protected override string GetInsertSql(AMSEvent data, ORMappingItemCollection mappings, Dictionary <string, object> context)
{
StringBuilder strB = new StringBuilder();
strB.Append(base.GetInsertSql(data, mappings, context));
strB.Append(TSqlBuilder.Instance.DBStatementSeperator);
AMSEventChannel eventChannel = AMSEventChannel.FromAMSEvent(data);
strB.Append(ORMapping.GetInsertSql(eventChannel, TSqlBuilder.Instance));
return(strB.ToString());
}
/// <summary>
/// 停止一个节目
/// </summary>
/// <param name="eventData"></param>
/// <param name="ec"></param>
/// <param name="cancellationToken"></param>
private static void StopOneProgram(AMSEvent eventData, AMSEventChannel ec, CancellationToken cancellationToken)
{
try
{
if (ec.State == AMSEventState.Running)
{
AMSEventSqlAdapter.Instance.UpdateEventChannelState(ec.EventID, ec.ChannelID, AMSEventState.Stopping);
}
StopProgram(eventData, ec, cancellationToken);
}
catch (System.Exception ex)
{
TraceHelper.AMSTaskTraceSource.TraceEvent(TraceEventType.Error, 60021, ex.ToString());
}
}
private static void StopProgram(AMSEvent eventData, AMSEventChannel ec, CancellationToken cancellationToken)
{
TraceHelper.AMSTaskTraceSource.TraceEvent(TraceEventType.Verbose, 60018, "Stop Program:\n{0}", eventData.ToTraceInfo());
AMSChannel channel = AMSChannelSqlAdapter.Instance.LoadByID(ec.ChannelID);
if (channel != null)
{
SimulateOrExecuteAction(() => LiveChannelManager.StopProgram(channel, eventData, ec), () => ec.State = AMSEventState.Completed);
}
else
{
ec.State = AMSEventState.Completed;
}
AMSEventSqlAdapter.Instance.UpdateEventChannel(ec);
TraceHelper.AMSTaskTraceSource.TraceEvent(TraceEventType.Verbose, 60018, "Program Stopped:\n{0}", eventData.ToTraceInfo());
}
public static void StopEvent(AMSQueueItem message, CancellationToken cancellationToken)
{
AMSEvent eventData = null;
try
{
eventData = AMSEventSqlAdapter.Instance.LoadByID(message.ResourceID);
if (eventData != null)
{
if (eventData.State == AMSEventState.Running)
{
AMSEventSqlAdapter.Instance.UpdateState(eventData.ID, AMSEventState.Stopping);
}
AMSEventChannelCollection ecs = AMSEventSqlAdapter.Instance.LoadEventAndChannel(eventData.ID);
Task[] stopProgramTasks = new Task[ecs.Count];
for (int i = 0; i < stopProgramTasks.Length; i++)
{
AMSEventChannel ec = ecs[i];
stopProgramTasks[i] = Task.Factory.StartNew(() => StopOneProgram(eventData, ec, cancellationToken));
}
Task.WaitAll(stopProgramTasks.ToArray());
AMSEventSqlAdapter.Instance.UpdateCompletedStateByChannels(eventData.ID);
}
}
finally
{
if (eventData != null)
{
LockHelper.Unlock(eventData);
}
}
}
/// <summary>
/// 停止一个节目
/// </summary>
/// <param name="eventData"></param>
/// <param name="ec"></param>
/// <param name="cancellationToken"></param>
private static void StopOneProgram(AMSEvent eventData, AMSEventChannel ec, CancellationToken cancellationToken)
{
try
{
if (ec.State == AMSEventState.Running)
AMSEventSqlAdapter.Instance.UpdateEventChannelState(ec.EventID, ec.ChannelID, AMSEventState.Stopping);
InnerStopProgram(eventData, ec, cancellationToken);
}
catch (System.Exception ex)
{
TraceHelper.AMSTaskTraceSource.TraceEvent(TraceEventType.Error, 60021, ex.ToString());
}
}
/// <summary>
/// 启动事件中的一个频道和节目
/// </summary>
/// <param name="eventData"></param>
/// <param name="ec"></param>
/// <param name="cancellationToken"></param>
private static void StartOneChannelAndCreateProgram(AMSEvent eventData, AMSEventChannel ec, CancellationToken cancellationToken)
{
try
{
if (ec.State == AMSEventState.NotStart)
AMSEventSqlAdapter.Instance.UpdateEventChannelState(ec.EventID, ec.ChannelID, AMSEventState.Starting);
AMSChannel channel = InnerStartChannel(ec.ChannelID, cancellationToken);
if (cancellationToken.IsCancellationRequested == false)
{
if (channel != null && channel.State == AMSChannelState.Running)
{
LockHelper.ExtendLockTime(eventData);
InnerCreateProgram(eventData, channel, ec, cancellationToken);
}
}
}
catch (System.Exception ex)
{
TraceHelper.AMSTaskTraceSource.TraceEvent(TraceEventType.Error, 60020, ex.ToString());
}
}
private static void InnerStopProgram(AMSEvent eventData, AMSEventChannel ec, CancellationToken cancellationToken)
{
TraceHelper.AMSTaskTraceSource.TraceEvent(TraceEventType.Verbose, 60018, "Stop Program:\n{0}", eventData.ToTraceInfo());
AMSChannel channel = AMSChannelSqlAdapter.Instance.LoadByID(ec.ChannelID);
if (channel != null)
SimulateOrExecuteAction(() => LiveChannelManager.StopProgram(channel, eventData, ec), () => ec.State = AMSEventState.Completed);
else
ec.State = AMSEventState.Completed;
AMSEventSqlAdapter.Instance.UpdateEventChannel(ec);
TraceHelper.AMSTaskTraceSource.TraceEvent(TraceEventType.Verbose, 60018, "Program Stopped:\n{0}", eventData.ToTraceInfo());
}
private static void InnerStartProgram(AMSEvent eventData, AMSChannel channel, AMSEventChannel ec, CancellationToken cancellationToken)
{
TraceHelper.AMSTaskTraceSource.TraceEvent(TraceEventType.Verbose, 60017, "Start Program:\n{0}", channel.ToTraceInfo());
SimulateOrExecuteAction(() => LiveChannelManager.StartProgram(channel, eventData, ec), () => ec.State = AMSEventState.Running);
AMSEventSqlAdapter.Instance.UpdateEventChannel(ec);
TraceHelper.AMSTaskTraceSource.TraceEvent(TraceEventType.Verbose, 60017, "Program Started:\n{0}", channel.ToTraceInfo());
}
