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package bboss.org.jgroups.blocks.mux;
/**
* Allows registration/deregistrator of multiplexed handlers by mux id.
* @author Paul Ferraro
* @version $Id: Muxer.java,v 1.2 2010/06/09 03:24:51 bstansberry Exp $
*/
public interface Muxer {
/**
* Registers the specified handler to handle messages containing a mux header with the specified mux identifier.
* @param id a mux id
* @param handler a handler for the specified id
*/
void add(short id, T handler);
/**
* Gets the handler registered under the specified id
* @param id a mux id
* @return the handler, or null if no handler is registered under
* id
*/
T get(short id);
/**
* Unregisters the handler associated with the specifed mux identifier
* @param id a mux id
*/
void remove(short id);
/**
* Gets the handler for messages that have no mux header.
*
* @return the default handler, or null if no default handler
* has been set
*/
T getDefaultHandler();
/**
* Sets the handler for messages that have no mux header.
*
* @param handler a handler for messages that have no mux header
*/
void setDefaultHandler(T handler);
}