/// <summary>
/// Update event listener
/// </summary>
/// <param name="sender">Sender value</param>
/// <param name="broadCastEventArgs">BroadCastEventArgs value</param>
private void UpdateEventListener(object sender, BroadCastEventArgs broadCastEventArgs)
{
lock (_locker)
{
ConfigurationLookupVM configurationLookUp;
if (SerializationHelper.TryDeserialize <ConfigurationLookupVM>(broadCastEventArgs.MessageRequest.Message, out configurationLookUp))
{
ConfigurationLookupVM configurationLookUpToBeUpdate = _configurationLookUps.Where(cl => cl.ID == configurationLookUp.ID).FirstOrDefault();
if (configurationLookUpToBeUpdate != null)
{
// Modify the collection.
// 1. Set the configuration lookup object status to Update and update the value
App.Current.Dispatcher.Invoke(() =>
{
configurationLookUpToBeUpdate.Status = Status.Updated.ToString();
configurationLookUpToBeUpdate.Name = configurationLookUp.Name;
configurationLookUpToBeUpdate.Value = configurationLookUp.Value;
});
// 2. Wait few second and set the configuration lookup object status to Default
Thread.Sleep(2500);
App.Current.Dispatcher.Invoke(() =>
{
configurationLookUpToBeUpdate.Status = Status.Default.ToString();
});
}
}
}
}
/// <summary>
/// Delete event listener
/// </summary>
/// <param name="sender">Sender value</param>
/// <param name="broadCastEventArgs">BroadCastEventArgs value</param>
private void DeleteEventListener(object sender, BroadCastEventArgs broadCastEventArgs)
{
lock (_locker)
{
ConfigurationLookupVM configurationLookUp;
if (SerializationHelper.TryDeserialize <ConfigurationLookupVM>(broadCastEventArgs.MessageRequest.Message, out configurationLookUp))
{
ConfigurationLookupVM configurationLookUpToBeDelete = _configurationLookUps.Where(cl => cl.ID == configurationLookUp.ID).FirstOrDefault();
if (configurationLookUpToBeDelete != null)
{
// Modify the collection.
// 1. Set the configuration lookup object status to Deleted.This is to show the Grid animation related to Delete
App.Current.Dispatcher.Invoke(() =>
{
configurationLookUpToBeDelete.Status = Status.Deleted.ToString();
});
// 2. Wait few second and remove the deleted from the collecion.
Thread.Sleep(2500);
App.Current.Dispatcher.Invoke(() =>
{
ConfigurationLookUpCaches.Remove(configurationLookUpToBeDelete);
ConfigurationLookUpCaches.OrderByDescending(cl => cl.ID);
});
}
}
}
}
//tell plugins to pack their states into a dictionary to pass to other plugins
public void RaiseBroadcastRequest(object sender, IDictionary <string, object> dictPackedPlugin)
{
if (BroadcastState != null) //has some method been told to handle this event?
{
BroadCastEventArgs e = new BroadCastEventArgs(sender, dictPackedPlugin);
BroadcastState(sender, e);
}
}
/// <summary>
/// Message listened and notified
/// </summary>
/// <param name="broadCastArgs">BroadCastArgs value</param>
private void OnMessageListened(BroadCastEventArgs broadCastArgs)
{
EventHandler <BroadCastEventArgs> handler = BroadCastListenerEventHandler;
if (handler != null)
{
handler(this, broadCastArgs);
}
}
/// <summary>
/// Insert event listener
/// </summary>
/// <param name="sender">Sender value</param>
/// <param name="e">BroadCastEventArgs value</param>
private void InsertEventListener(object sender, BroadCastEventArgs e)
{
lock (_locker)
{
ConfigurationLookup configurationLookUp;
if (SerializationHelper.TryDeserialize <ConfigurationLookup>(e.MessageRequest.Message, out configurationLookUp))
{
_configurationLookUpCaches.Add(configurationLookUp);
_configurationLookUpCaches.OrderByDescending(cl => cl.ID);
}
}
}
/// <summary>
/// Insert event listener
/// </summary>
/// <param name="sender">Sender value</param>
/// <param name="broadCastEventArgs">BroadCastEventArgs value</param>
private static void InsertEventListener(object sender, BroadCastEventArgs broadCastEventArgs)
{
lock (_locker)
{
ConfigurationLookup configurationLookUp;
if (SerializationHelper.TryDeserialize <ConfigurationLookup>(broadCastEventArgs.MessageRequest.Message, out configurationLookUp))
{
_configurationLookUpCaches.Add(configurationLookUp);
_configurationLookUpCaches.OrderByDescending(cl => cl.ID);
cache.Set(CONFIGURATION_LOOKUP_CACHE_KEY, _configurationLookUpCaches, policy);
}
}
}
/// <summary>
/// Delete event listener
/// </summary>
/// <param name="sender">Sender value</param>
/// <param name="e">BroadCastEventArgs value</param>
private void DeleteEventListener(object sender, BroadCastEventArgs e)
{
lock (_locker)
{
ConfigurationLookup configurationLookUp;
if (SerializationHelper.TryDeserialize <ConfigurationLookup>(e.MessageRequest.Message, out configurationLookUp))
{
ConfigurationLookup configurationLookUpToBeDelete = _configurationLookUpCaches.Where(cl => cl.ID == configurationLookUp.ID).FirstOrDefault();
if (configurationLookUpToBeDelete != null)
{
_configurationLookUpCaches.Remove(configurationLookUpToBeDelete);
_configurationLookUpCaches.OrderByDescending(cl => cl.ID);
}
}
}
}
/// <summary>
/// Update event listener
/// </summary>
/// <param name="sender">Sender value</param>
/// <param name="e">BroadCastEventArgs value</param>
private void UpdateEventListener(object sender, BroadCastEventArgs e)
{
lock (_locker)
{
ConfigurationLookup configurationLookUp;
if (SerializationHelper.TryDeserialize <ConfigurationLookup>(e.MessageRequest.Message, out configurationLookUp))
{
ConfigurationLookup configurationLookUpToBeUpdate = _configurationLookUpCaches.Where(cl => cl.ID == configurationLookUp.ID).FirstOrDefault();
if (configurationLookUpToBeUpdate != null)
{
configurationLookUpToBeUpdate.Name = configurationLookUp.Name;
configurationLookUpToBeUpdate.Value = configurationLookUp.Value;
}
}
}
}
/// <summary>
/// Delete event listener
/// </summary>
/// <param name="sender">Sender value</param>
/// <param name="broadCastEventArgs">BroadCastEventArgs value</param>
private static void DeleteEventListener(object sender, BroadCastEventArgs broadCastEventArgs)
{
lock (_locker)
{
ConfigurationLookup configurationLookUp;
if (SerializationHelper.TryDeserialize <ConfigurationLookup>(broadCastEventArgs.MessageRequest.Message, out configurationLookUp))
{
ConfigurationLookup configurationLookUpToBeDelete = _configurationLookUpCaches.Where(cl => cl.ID == configurationLookUp.ID).FirstOrDefault();
if (configurationLookUpToBeDelete != null)
{
_configurationLookUpCaches.Remove(configurationLookUpToBeDelete);
_configurationLookUpCaches.OrderByDescending(cl => cl.ID);
cache.Set(CONFIGURATION_LOOKUP_CACHE_KEY, _configurationLookUpCaches, policy);
}
}
}
}
/// <summary>
/// Insert event listener
/// </summary>
/// <param name="sender">Sender value</param>
/// <param name="broadCastEventArgs">BroadCastEventArgs value</param>
private void InsertEventListener(object sender, BroadCastEventArgs broadCastEventArgs)
{
lock (_locker)
{
ConfigurationLookupVM configurationLookUp;
if (SerializationHelper.TryDeserialize <ConfigurationLookupVM>(broadCastEventArgs.MessageRequest.Message, out configurationLookUp))
{
// Modify the collection. Set the configuration lookup object status to Inserted
App.Current.Dispatcher.Invoke(() =>
{
configurationLookUp.Status = Status.Inserted.ToString();
_configurationLookUps.Add(configurationLookUp);
_configurationLookUps.OrderByDescending(cl => cl.ID);
});
}
}
}
/// <summary>
/// Register broadcasted message to SignalR events
/// </summary>
/// <param name="broadCastArgs">BroadCastEventArgs value</param>
private void RegisterMessageEvents(BroadCastEventArgs broadCastArgs)
{
if (broadCastArgs != null)
{
MessageRequest messageRequest = broadCastArgs.MessageRequest;
IClientProxy clientProxy = Clients.Caller;
if (messageRequest.EventName != EventNameEnum.UNKNOWN)
{
clientProxy.Invoke(messageRequest.EventName.EnumDescription(), messageRequest.Message);
}
else
{
string errorMessage = "Unknown or empty event name is requested!";
clientProxy.Invoke(EventNameEnum.ON_EXCEPTION.EnumDescription(), errorMessage); // Goes to the listener
throw new Exception(errorMessage); // Goes to the broadcaster
}
}
}
/// <summary>
/// 注册广播事件
/// </summary>
/// <param name="broadCastArgs"></param>
private void RegisterMessageEvents(BroadCastEventArgs broadCastArgs)
{
if (broadCastArgs != null)
{
MessageRequest messageRequest = broadCastArgs.MessageRequest;
IClientProxy clientProxy = Clients.All; //Clients.Caller;
//PropellingMovementDto propellingMovementDto = this.PropellingMovementService.GetPropellingMovementDto(SetupConfig.ServiceNumber
// , messageRequest.Group, SetupConfig.Enviroment);
PropellingMovementDto propellingMovementDto = new PropellingMovementDto();
//TODO：数据库获取
if (propellingMovementDto != null)
{
clientProxy.Invoke(messageRequest.Group, messageRequest.Message);
}
else
{
throw new Exception("对应的服务广播组不存在");
}
}
}
private void BroadcastStateListener(object sender, BroadCastEventArgs e)
{
//listen to others broadcast..receiving something
//e.PackedPluginState
}
/// <summary>
/// Listen hub event and attach the message to the client event
/// </summary>
/// <param name="hubEvent">Client hub event</param>
/// <returns>string value that shows status</returns>
public string ListenHubEvent(Action <object, BroadCastEventArgs> hubEvent)
{
if (!_hubConfiguration.IsHubListeningEnabled)
{
return(string.Concat("Hub listening is disabled for an event named ", _hubConfiguration.HubEventName.EnumDescription()));
}
string statusMessage = string.Concat("All is well. Message is being listened for an event named ", _hubConfiguration.HubEventName.EnumDescription());
try
{
if (hubEvent == null)
{
throw new ArgumentNullException("HubEvent is null !");
}
if (hubConnection == null || isDisposed)
{
hubConnection = new HubConnection(_hubConfiguration.HubURL);
}
IHubProxy proxyHub = hubConnection.CreateHubProxy(_hubConfiguration.HubName);
try
{
hubConnection.Start().
ContinueWith(task
=>
{
if (task.IsFaulted)
{
throw task.Exception;
}
else
{
// Register/attach broadcast listener event
if (_hubConfiguration.HubEventName != EventNameEnum.UNKNOWN)
{
lock (eventLocker)
{
BroadCastListenerEventHandler += (sender, broadCastArgs) =>
hubEvent.Invoke(sender, broadCastArgs);
}
}
}
}, TaskContinuationOptions.OnlyOnRanToCompletion).Wait();
}
catch (AggregateException aggregateException)
{
throw aggregateException;
}
if (hubConnection.State == ConnectionState.Connected)
{
IsConnected = true;
}
proxyHub.On <string>(_hubConfiguration.HubEventName.EnumDescription(),
message =>
{
_broadCastListenerEventArgs = new BroadCastEventArgs(
new MessageRequest()
{
Message = message,
EventName = _hubConfiguration.HubEventName
});
OnMessageListened(_broadCastListenerEventArgs);
});
lock (eventLocker)
{
// Unregister/detach broadcast listener event
BroadCastListenerEventHandler -= (sender, broadCastArgs) =>
hubEvent.Invoke(sender, broadCastArgs);
}
}
catch (Exception exception)
{
// Client should handle the exception
if (hubConnection != null && !string.IsNullOrWhiteSpace(hubConnection.ConnectionId))
{
return(string.Format("Opps something wrong happened ! Hub ConnectionID : {0}, Exception - Message : {1}, StackTrace : {2} ",
hubConnection.ConnectionId, exception.Message, exception.StackTrace));
}
return(string.Format("Opps something wrong happened ! Exception - Message : {0}, StackTrace : {1} ", exception.Message, exception.StackTrace));
}
return(hubConnection != null && !string.IsNullOrWhiteSpace(hubConnection.ConnectionId) ?
string.Concat(statusMessage, " at Hub ConnectionID : ", hubConnection.ConnectionId) : statusMessage);
}
