test/perf/src/org/apache/xmlbeans/test/performance/svn/PrimTopDownSVN.java

/*   Copyright 2004 The Apache Software Foundation
*
*   Licensed under the Apache License, Version 2.0 (the "License");
*   you may not use this file except in compliance with the License.
*   You may obtain a copy of the License at
*
*       http://www.apache.org/licenses/LICENSE-2.0
*
*   Unless required by applicable law or agreed to in writing, software
*   distributed under the License is distributed on an "AS IS" BASIS,
*   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*   See the License for the specific language governing permissions and
*  limitations under the License.
*/
package org.apache.xmlbeans.test.performance.svn;

import org.apache.xmlbeans.test.performance.utils.Constants;
import org.openuri.primitives.Misc;
import org.openuri.primitives.Numerics;
import org.openuri.primitives.PrimitivesDocument;
import org.openuri.primitives.PrimitivesDocument.Primitives;

public class PrimTopDownSVN
{
  public static void main(String[] args) throws Exception
  {

    PrimTopDownSVN test = new PrimTopDownSVN();
    int iterations = Constants.ITERATIONS;
    long cputime;
    int hash = 0;
        
    // warm up the vm
    cputime = System.currentTimeMillis();
    for(int i=0; i<iterations; i++){
      hash += test.run();
    }
    cputime = System.currentTimeMillis() - cputime;

    // run it again for the real measurement
    cputime = System.currentTimeMillis();
    for(int i=0; i<iterations; i++){
      hash += test.run();
    }
    cputime = System.currentTimeMillis() - cputime;
      
    // print the results
    // Class.getSimpleName() is only provided in jdk1.5, so have to trim package name off test name for logging to support 1.4
    System.out.print(Constants.DELIM+test.getClass().getName().substring(test.getClass().getName().lastIndexOf('.')+1)+" ");
    System.out.print("hash "+hash+" ");
    System.out.print("time "+cputime+"\n");
  }

  private int run() throws Exception
  {
    // create the doc
    PrimitivesDocument doc = PrimitivesDocument.Factory.newInstance();
    Primitives prim = doc.addNewPrimitives();

    // create and initialize numeric elements
    for(int i=0; i<Constants.PO_NUM_LINEITEMS; i++)
    {
      Numerics numerics = prim.addNewNumerics();
      numerics.setMybyte(Constants.myByte);
      numerics.setMyint(Constants.myInt);
      numerics.setMylong(Constants.myLong);
      numerics.setMyshort(Constants.myShort);
      numerics.setMyhexbin(Constants.myHexbin);
      numerics.setMydouble(Constants.myDouble);
      numerics.setMyfloat(Constants.myFloat);
    }

    // create and initialize the misc element
    Misc misc = prim.addNewMisc();
    misc.setMybool(Constants.myBool);

    // calculate a hash to return
    int hash = ( prim.getNumericsArray().length ) * 17;
    return hash;
  }
}