1/* 2 * Copyright (c) 2000, 2008, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* 25 * 26 */ 27 28package bench.rmi; 29 30import bench.Benchmark; 31import java.rmi.Remote; 32import java.rmi.RemoteException; 33import java.rmi.server.UnicastRemoteObject; 34 35/** 36 * Benchmark for testing speed of null calls. 37 */ 38public class NullCalls implements Benchmark { 39 40 interface Server extends Remote { 41 public void call() throws RemoteException; 42 } 43 44 static class ServerImpl extends UnicastRemoteObject implements Server { 45 public ServerImpl() throws RemoteException { 46 } 47 48 public void call() throws RemoteException { 49 } 50 } 51 52 static class ServerFactory implements BenchServer.RemoteObjectFactory { 53 public Remote create() throws RemoteException { 54 return new ServerImpl(); 55 } 56 } 57 58 /** 59 * Issue null calls. 60 * Arguments: <# calls> 61 */ 62 public long run(String[] args) throws Exception { 63 int reps = Integer.parseInt(args[0]); 64 BenchServer bsrv = Main.getBenchServer(); 65 Server stub = (Server) bsrv.create(new ServerFactory()); 66 67 long start = System.currentTimeMillis(); 68 for (int i = 0; i < reps; i++) 69 stub.call(); 70 long time = System.currentTimeMillis() - start; 71 72 bsrv.unexport(stub, true); 73 return time; 74 } 75} 76