/*
* 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();
}
}
}