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Date: 25 Jun 2004 13:26:49 -0000
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From: arminw@apache.org
To: db-ojb-cvs@apache.org
Subject: cvs commit: db-ojb/src/test/org/apache/ojb/broker/metadata
 PersistentFieldPerfTest.java
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arminw      2004/06/25 06:26:49

  Added:       src/test/org/apache/ojb/broker/metadata
                        PersistentFieldPerfTest.java
  Log:
  persistent field test
  
  Revision  Changes    Path
  1.1                  db-ojb/src/test/org/apache/ojb/broker/metadata/PersistentFieldPerfTest.java
  
  Index: PersistentFieldPerfTest.java
  ===================================================================
  package org.apache.ojb.broker.metadata;
  
  import org.apache.commons.lang.ClassUtils;
  import org.apache.commons.lang.SystemUtils;
  import org.apache.ojb.broker.NestedFieldsTest;
  import org.apache.ojb.broker.metadata.fieldaccess.PersistentField;
  import org.apache.ojb.broker.metadata.fieldaccess.PersistentFieldAutoProxyImpl;
  import org.apache.ojb.broker.metadata.fieldaccess.PersistentFieldDirectAccessImpl;
  import org.apache.ojb.broker.metadata.fieldaccess.PersistentFieldIntrospectorImpl;
  import org.apache.ojb.broker.util.ClassHelper;
  import org.apache.ojb.junit.OJBTestCase;
  
  /* Copyright 2002-2004 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.
   */
  
  /**
   * This is a developer test and NOT part of the test suite.
   * This test help to test the performance of the different
   * {@link org.apache.ojb.broker.metadata.fieldaccess.PersistentField}
   * implementations.
   *
   * @author <a href="mailto:arminw@apache.org">Armin Waibel</a>
   * @version $Id: PersistentFieldPerfTest.java,v 1.1 2004/06/25 13:26:49 arminw Exp $
   */
  public class PersistentFieldPerfTest extends OJBTestCase
  {
      String EOL = SystemUtils.LINE_SEPARATOR;
      Class testClass = NestedFieldsTest.NestedMain.class;
      String fieldName = "name";
      String fieldNameNested = "nestedDetail::nestedDetailDetail::realDetailName";
      int numberOfOperations = 0;
      int repeat = 5;
  
      public static void main(String[] args)
      {
          String[] arr = {PersistentFieldPerfTest.class.getName()};
          junit.textui.TestRunner.main(arr);
      }
  
  //    Class[] persistentFieldClasses = new Class[] {
  //            PersistentFieldDirectAccessImpl_2.class
  //            , PersistentFieldDirectAccessImpl.class
  //            , PersistentFieldIntrospectorImpl.class
  //            , PersistentFieldAutoProxyImpl.class};
  
      Class[] persistentFieldClasses = new Class[]{
          PersistentFieldDirectAccessImpl.class
          , PersistentFieldIntrospectorImpl.class
          , PersistentFieldAutoProxyImpl.class};
  
      private PersistentField newInstance(Class pfClass, Class testClass, String fieldName) throws Exception
      {
          Class[] types = new Class[]{Class.class, String.class};
          Object[] args = new Object[]{testClass, fieldName};
          return (PersistentField) ClassHelper.newInstance(pfClass, types, args);
      }
  
      public void testFieldPerformance() throws Exception
      {
          numberOfOperations = 300000;
          System.out.println();
          System.out.println("=========================================");
          System.out.println("Field performance, set/get " + numberOfOperations + " times a field");
          System.out.println("----------------------------------------");
          for (int i = 0; i < persistentFieldClasses.length; i++)
          {
              Class persistentFieldClass = persistentFieldClasses[i];
              PersistentField p = newInstance(persistentFieldClass, testClass, fieldName);
              buildTestFor(p, false);
          }
          System.out.println("----------------------------------------");
          for (int i = 0; i < persistentFieldClasses.length; i++)
          {
              Class persistentFieldClass = persistentFieldClasses[i];
              PersistentField p = newInstance(persistentFieldClass, testClass, fieldName);
              buildTestFor(p, false);
          }
          System.out.println("----------------------------------------");
      }
  
      public void testNestedFieldPerformance() throws Exception
      {
          numberOfOperations = 300000;
          System.out.println();
          System.out.println("=========================================");
          System.out.println("Nested Field performance, set/get " + numberOfOperations + " times a nested field");
          System.out.println("----------------------------------------");
          for (int i = 0; i < persistentFieldClasses.length; i++)
          {
              Class persistentFieldClass = persistentFieldClasses[i];
              PersistentField p = newInstance(persistentFieldClass, testClass, fieldNameNested);
              buildTestFor(p, true);
          }
          System.out.println("----------------------------------------");
          for (int i = 0; i < persistentFieldClasses.length; i++)
          {
              Class persistentFieldClass = persistentFieldClasses[i];
              PersistentField p = newInstance(persistentFieldClass, testClass, fieldNameNested);
              buildTestFor(p, true);
          }
          System.out.println("----------------------------------------");
      }
  
      private void buildTestFor(PersistentField pf, boolean nested) throws Exception
      {
          long getter = 0;
          long setter = 0;
          for (int i = 0; i < repeat; i++)
          {
              System.gc();
              Thread.sleep(100);
              getter += nested ? getterPerformanceNestedFor(pf) : getterPerformanceFor(pf);
          }
          for (int i = 0; i < repeat; i++)
          {
              System.gc();
              Thread.sleep(100);
              setter += nested ? setterPerformanceNestedFor(pf) : setterPerformanceFor(pf);
          }
          printResult(pf, getter, setter, nested);
      }
  
      private void printResult(PersistentField pf, long getterPeriod, long setterPeriod, boolean nested)
      {
  
          System.out.println(ClassUtils.getShortClassName(pf.getClass())
                  + (nested ? ": nestedGetter=" : ": getter=") + getterPeriod
                  + (nested ? " nestedSetter=" : " setter=") + setterPeriod);
      }
  
      private long getterPerformanceFor(PersistentField pf)
      {
          String testString = "a test name";
          NestedFieldsTest.NestedMain testObject = new NestedFieldsTest.NestedMain();
          testObject.setName(testString);
          // validate
          assertEquals(testString, pf.get(testObject));
  
          long period = System.currentTimeMillis();
          for (int i = 0; i < numberOfOperations; i++)
          {
              pf.get(testObject);
          }
          return System.currentTimeMillis() - period;
      }
  
      private long setterPerformanceFor(PersistentField pf)
      {
          String testString = "a test name";
          NestedFieldsTest.NestedMain testObject = new NestedFieldsTest.NestedMain();
          // validate
          pf.set(testObject, testString);
          assertEquals(testString, testObject.getName());
          long period = System.currentTimeMillis();
          for (int i = 0; i < numberOfOperations; i++)
          {
              pf.set(testObject, testString);
          }
          return System.currentTimeMillis() - period;
      }
  
      private long getterPerformanceNestedFor(PersistentField pf)
      {
          String testString = "a test name";
          NestedFieldsTest.NestedMain testObject = new NestedFieldsTest.NestedMain();
          NestedFieldsTest.NestedDetail d1 = new NestedFieldsTest.NestedDetail();
          NestedFieldsTest.NestedDetailDetail d2 = new NestedFieldsTest.NestedDetailDetail();
          d2.setRealDetailName(testString);
          d1.setNestedDetailDetail(d2);
          testObject.setNestedDetail(d1);
          // validate
          assertEquals(testString, pf.get(testObject));
  
          long period = System.currentTimeMillis();
          for (int i = 0; i < numberOfOperations; i++)
          {
              pf.get(testObject);
          }
          return System.currentTimeMillis() - period;
      }
  
      private long setterPerformanceNestedFor(PersistentField pf)
      {
          String testString = "a test name";
          NestedFieldsTest.NestedMain testObject = new NestedFieldsTest.NestedMain();
          // validate
          pf.set(testObject, testString);
          assertNotNull(testObject.getNestedDetail());
          assertNotNull(testObject.getNestedDetail().getNestedDetailDetail());
          assertEquals(testString, testObject.getNestedDetail().getNestedDetailDetail().getRealDetailName());
          assertEquals(testString, testObject.getNestedDetail().getNestedDetailDetail().getRealDetailName());
          long period = System.currentTimeMillis();
          for (int i = 0; i < numberOfOperations; i++)
          {
              pf.set(testObject, testString);
          }
          return System.currentTimeMillis() - period;
      }
  }
  
  
  

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