true if this server implementation is currently running.
true if this server implementation is currently running.
Starts the server.
Starts the server. This need not be called directly as it will be invoked explicitly by Server.start().
Stops the server if it is running.
Stops the server if it is running. This need not be called directly as it will be invoked explicitly by Server.stop(). If the server is already stopped this method should immediately return.