169N/A/*
2362N/A * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A/*
0N/A *
0N/A */
0N/A
0N/Apackage bench.serial;
0N/A
0N/Aimport bench.Benchmark;
0N/Aimport java.io.ObjectInputStream;
0N/Aimport java.io.ObjectOutputStream;
0N/Aimport java.io.ObjectStreamClass;
0N/Aimport java.lang.reflect.InvocationHandler;
0N/Aimport java.lang.reflect.Proxy;
0N/A
0N/A/**
0N/A * Benchmark for testing speed of proxy class descriptor reads/writes.
0N/A */
0N/Apublic class ProxyClassDesc implements Benchmark {
169N/A
0N/A static interface A1 {};
0N/A static interface A2 {};
0N/A static interface A3 {};
0N/A static interface A4 {};
0N/A static interface A5 {};
0N/A static interface B1 {};
0N/A static interface B2 {};
0N/A static interface B3 {};
0N/A static interface B4 {};
0N/A static interface B5 {};
0N/A static interface C1 {};
0N/A static interface C2 {};
0N/A static interface C3 {};
0N/A static interface C4 {};
0N/A static interface C5 {};
169N/A
0N/A /**
0N/A * Write and read proxy class descriptors to/from a stream.
0N/A * Arguments: <# cycles>
0N/A */
0N/A public long run(String[] args) throws Exception {
169N/A int ncycles = Integer.parseInt(args[0]);
169N/A StreamBuffer sbuf = new StreamBuffer();
169N/A ObjectOutputStream oout =
169N/A new ObjectOutputStream(sbuf.getOutputStream());
169N/A ObjectInputStream oin =
169N/A new ObjectInputStream(sbuf.getInputStream());
169N/A ObjectStreamClass[] descs = genDescs();
0N/A
169N/A doReps(oout, oin, sbuf, descs, 1); // warmup
0N/A
169N/A long start = System.currentTimeMillis();
169N/A doReps(oout, oin, sbuf, descs, ncycles);
0N/A return System.currentTimeMillis() - start;
0N/A }
169N/A
0N/A /**
0N/A * Generate proxy class descriptors.
0N/A */
0N/A ObjectStreamClass[] genDescs() {
169N/A ClassLoader ldr = ProxyClassDesc.class.getClassLoader();
169N/A Class[] ifaces = new Class[3];
169N/A Class[] a =
169N/A new Class[] { A1.class, A2.class, A3.class, A4.class, A5.class };
169N/A Class[] b =
169N/A new Class[] { B1.class, B2.class, B3.class, B4.class, B5.class };
169N/A Class[] c =
169N/A new Class[] { C1.class, C2.class, C3.class, C4.class, C5.class };
169N/A ObjectStreamClass[] descs =
169N/A new ObjectStreamClass[a.length * b.length * c.length];
169N/A int n = 0;
169N/A for (int i = 0; i < a.length; i++) {
169N/A ifaces[0] = a[i];
169N/A for (int j = 0; j < b.length; j++) {
169N/A ifaces[1] = b[j];
169N/A for (int k = 0; k < c.length; k++) {
169N/A ifaces[2] = c[k];
169N/A Class proxyClass = Proxy.getProxyClass(ldr, ifaces);
169N/A descs[n++] = ObjectStreamClass.lookup(proxyClass);
169N/A }
169N/A }
169N/A }
169N/A return descs;
0N/A }
0N/A
0N/A /**
0N/A * Run benchmark for given number of cycles.
0N/A */
0N/A void doReps(ObjectOutputStream oout, ObjectInputStream oin,
169N/A StreamBuffer sbuf, ObjectStreamClass[] descs, int ncycles)
169N/A throws Exception
0N/A {
169N/A int ndescs = descs.length;
169N/A for (int i = 0; i < ncycles; i++) {
169N/A sbuf.reset();
169N/A oout.reset();
169N/A for (int j = 0; j < ndescs; j++) {
169N/A oout.writeObject(descs[j]);
169N/A }
169N/A oout.flush();
169N/A for (int j = 0; j < ndescs; j++) {
169N/A oin.readObject();
169N/A }
169N/A }
0N/A }
0N/A}