| /* |
| * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * |
| */ |
| |
| package bench.serial; |
| |
| import bench.Benchmark; |
| import java.io.InputStream; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.io.OutputStream; |
| import java.io.Serializable; |
| |
| /** |
| * Benchmark for testing speed of ObjectOutputStream/ObjectInputStream |
| * construction. |
| */ |
| public class Cons implements Benchmark { |
| |
| /** |
| * Dummy object to write to newly constructed serialization stream. |
| */ |
| static class Dummy implements Serializable { |
| } |
| |
| /** |
| * Repeatedly construct ObjectOutputStream and ObjectInputStream objects. |
| * Arguments: <# repetitions> |
| */ |
| public long run(String[] args) throws Exception { |
| int reps = Integer.parseInt(args[0]); |
| Dummy dummy = new Dummy(); |
| StreamBuffer sbuf = new StreamBuffer(); |
| |
| doReps(sbuf, dummy, 1); // warmup |
| |
| long start = System.currentTimeMillis(); |
| doReps(sbuf, dummy, reps); |
| return System.currentTimeMillis() - start; |
| } |
| |
| /** |
| * Run benchmark for given number of cycles. |
| */ |
| void doReps(StreamBuffer sbuf, Dummy dummy, int reps) throws Exception { |
| OutputStream out = sbuf.getOutputStream(); |
| InputStream in = sbuf.getInputStream(); |
| for (int i = 0; i < reps; i++) { |
| sbuf.reset(); |
| ObjectOutputStream oout = new ObjectOutputStream(out); |
| oout.writeObject(dummy); |
| oout.flush(); |
| ObjectInputStream oin = new ObjectInputStream(in); |
| oin.readObject(); |
| } |
| } |
| } |