MenuCommandProtocol (tcMenuJavaAPI 1.1 API)

All Known Implementing Classes:

TagValMenuCommandProtocol
```
public interface MenuCommandProtocol
```
This is a low level part of the API that most people don't need to deal, implementations will translate commands to and from a given protocol.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`MenuCommand`	`fromChannel(java.nio.ByteBuffer buffer)`	Retrieves a message from the channel, or throws an exception if the message is not fully formed.
`byte`	`getKeyIdentifier()`	returns the identifier for this protocol, when used in messages
`void`	`toChannel(java.nio.ByteBuffer buffer, MenuCommand cmd)`	Puts the command specified into the byte buffer, it is assumed that the callee will flip the channel once complete.

- Method Detail
  - fromChannel
```
MenuCommand fromChannel(java.nio.ByteBuffer buffer)
                 throws java.io.IOException
```
    Retrieves a message from the channel, or throws an exception if the message is not fully formed. It is assumed that the buffer has been suitably flipped ready for reading
    
    Throws:
    
    java.io.IOException
  - toChannel
```
void toChannel(java.nio.ByteBuffer buffer,
               MenuCommand cmd)
```
    Puts the command specified into the byte buffer, it is assumed that the callee will flip the channel once complete.
    
    Parameters:
    
    buffer - to write the data to
    
    cmd - the command to write
  - getKeyIdentifier
```
byte getKeyIdentifier()
```
    returns the identifier for this protocol, when used in messages
    
    Returns:
    
    the ID for this protocol