SyncNodeServer (Keyple Distributed Network Java Lib - 2.0.0)

```
public interface SyncNodeServer
```
API of the Node associated to a server endpoint using a synchronous network protocol.
You must bind this kind of node on the server's side if you plan to use a Client-Server communication protocol, such as standard HTTP for example.
Keyple provides its own implementations of this interface and manages their lifecycle.
This kind of node can be bind to a all server remote plugins and local services :
- RemotePluginServer
- LocalServiceServer
To create it, you must only bind a sync node during the initialization process.
Then, you can access it on the server's side from the using the getSyncNode() method of the associated above distributed component.
Since:

2.0.0

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.List<MessageDto>`	`onRequest(MessageDto message)`	Must be invoked by the server controller endpoint following the reception and deserialization of a `MessageDto` from the client.

- Method Detail
  - onRequest
```
java.util.List<MessageDto> onRequest(MessageDto message)
```
    Must be invoked by the server controller endpoint following the reception and deserialization of a MessageDto from the client. Following the receive of a request, the controller must :
    
    Retrieve the node SyncNodeServer using the getSyncNode() method of the associated distributed component.
    Invoke this method on the node.
    Serialize the result en return it to the client.
    Parameters:
    
    message - The message to process.
    
    Returns:
    
    not null but empty list if there is no result.
    
    Throws:
    
    java.lang.IllegalArgumentException - if some arguments are incorrect.
    
    Since:
    
    2.0.0