SyncEndpointClientSpi (Keyple Distributed Network Java Lib - 2.3.0)

```
public interface SyncEndpointClientSpi
```
SPI of the client endpoint using a synchronous network protocol.
You must provide an implementation of this interface if you plan to use a Client-Server communication protocol, such as standard HTTP for example.
This endpoint interacts only with a remote server controller.

Since:

2.0.0

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.List<MessageDto>`	`sendRequest(MessageDto message)`	Invoked by the `SyncNodeClient` node to send a `MessageDto` to the server. You have to serialize and send the provided `MessageDto` to the server, then retry the response which is a list of `MessageDto`.

- Method Detail
  - sendRequest
```
java.util.List<MessageDto> sendRequest(MessageDto message)
```
    Invoked by the SyncNodeClient node to send a MessageDto to the server.
    You have to serialize and send the provided MessageDto to the server, then retry the response which is a list of MessageDto.
    
    Parameters:
    
    message - The message to send.
    
    Returns:
    
    a null or empty list if there is no result.
    
    Since:
    
    2.0.0