Returns next subchannel name for a current channel. Resets to the beginning of the subchannels list so that getNextChannelName can be used to iterate through the list of subchannels from a list of subchannels loaded by the one returned by the last call to getNextSubChannelName.
public String getNextSubChannelName() throws RemoteException, SearchException
Returns the subchannel name if successful; throws exception if failure.
