public Message read(long timeout, TimeUnit unit)
            throws InterruptedException, IOException {
        return mInMessages.poll(timeout, unit);
    }
public Message read ( long timeout , TimeUnit unit ) throws InterruptedException , IOException { return mInMessages . poll ( timeout , unit ) ; }
Reads (receives) a {@link Message} that came to this {@link ISOBUSSOcket}
, or {@code null} if the specified waiting time elapses before a
{@link Message} is available

@param timeout
how long to wait before giving up, in units of {@code unit}
@param unit
a {@link TimeUnit} determining how to interpret the
{@code timeout} parameter
@return a received {link Message}
@throws InterruptedException
if interrupted while waiting for a {@link Message}

@see #ISOBUSSocket(Bus, NAME, Collection)