@Override public void start() throws IOException { if (isRunning()) { throw new IllegalStateException("Instance is already started."); } listener.start(); }
@Override public void start() throws IOException { if (isRunning()) { return; } listener.start(); }
@Override public void start() throws IOException { if (isRunning()) { throw new IllegalStateException("Instance is already started."); } listener.start(); }
@Override public void start() throws IOException { if (isRunning()) { return; } listener.start(); }