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.io.Serializable; 32import java.lang.reflect.Constructor; 33import java.lang.reflect.InvocationHandler; 34import java.lang.reflect.Method; 35import java.lang.reflect.Proxy; 36import java.rmi.Remote; 37import java.rmi.RemoteException; 38import java.rmi.server.UnicastRemoteObject; 39 40/** 41 * Benchmark for testing speed of calls with proxy array parameters and return 42 * values. 43 */ 44public class ProxyArrayCalls implements Benchmark { 45 46 static class DummyHandler implements InvocationHandler, Serializable { 47 public Object invoke(Object proxy, Method method, Object[] args) 48 throws Throwable 49 { 50 return null; 51 } 52 } 53 54 public static interface DummyInterface { 55 public void foo(); 56 } 57 58 interface Server extends Remote { 59 public Proxy[] call(Proxy[] a) throws RemoteException; 60 } 61 62 static class ServerImpl extends UnicastRemoteObject implements Server { 63 public ServerImpl() throws RemoteException { 64 } 65 66 public Proxy[] call(Proxy[] a) throws RemoteException { 67 return a; 68 } 69 } 70 71 static class ServerFactory implements BenchServer.RemoteObjectFactory { 72 public Remote create() throws RemoteException { 73 return new ServerImpl(); 74 } 75 } 76 77 /** 78 * Generate proxy object array of the given size. 79 */ 80 Proxy[] genProxies(int size) throws Exception { 81 Class proxyClass = 82 Proxy.getProxyClass(DummyInterface.class.getClassLoader(), 83 new Class[] { DummyInterface.class }); 84 Constructor proxyCons = 85 proxyClass.getConstructor(new Class[] { InvocationHandler.class }); 86 Object[] consArgs = new Object[] { new DummyHandler() }; 87 Proxy[] proxies = new Proxy[size]; 88 89 for (int i = 0; i < size; i++) 90 proxies[i] = (Proxy) proxyCons.newInstance(consArgs); 91 92 return proxies; 93 } 94 95 /** 96 * Issue calls using arrays of proxies as parameters/return values. 97 * Arguments: <array size> <# calls> 98 */ 99 public long run(String[] args) throws Exception { 100 int size = Integer.parseInt(args[0]); 101 int reps = Integer.parseInt(args[1]); 102 BenchServer bsrv = Main.getBenchServer(); 103 Server stub = (Server) bsrv.create(new ServerFactory()); 104 Proxy[] proxies = genProxies(size); 105 106 long start = System.currentTimeMillis(); 107 for (int i = 0; i < reps; i++) 108 stub.call(proxies); 109 long time = System.currentTimeMillis() - start; 110 111 bsrv.unexport(stub, true); 112 return time; 113 } 114} 115