MessageListener (Nemo Project 0.4 API)

Type Parameters:

T - message type

All Known Implementing Classes:

BlockManagerMaster.BlockManagerMasterControlMessageReceiver, PipeManagerMaster.PipeManagerMasterControlMessageReceiver, RuntimeMaster.MasterControlMessageReceiver
```
public interface MessageListener<T>
```
Handles messages from MessageSender. Multiple MessageListeners can be setup using MessageEnvironment while they are identified by their unique message type ids.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`onMessage(T message)`	Called back when a message is received.
`void`	`onMessageWithContext(T message, MessageContext messageContext)`	Called back when a message is received, and return a response using `MessageContext`.

- Method Detail
  - onMessage
```
void onMessage(T message)
```
    Called back when a message is received.
    
    Parameters:
    
    message - a message
  - onMessageWithContext
```
void onMessageWithContext(T message,
                          MessageContext messageContext)
```
    Called back when a message is received, and return a response using MessageContext.
    
    Parameters:
    
    message - a message
    
    messageContext - a message context