BeanUtilsBenchCase.java
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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
*
* https://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.commons.beanutils2;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
/**
* JUnit Test Case containing microbenchmarks for BeanUtils.
*/
public class BeanUtilsBenchCase {
// Basic loop counter
private long counter = 100000;
// DynaClass for inDyna and outDyna
private DynaClass dynaClass;
// Input objects that have identical sets of properties and values.
private BenchBean inBean;
private DynaBean inDyna;
private Map<String, Object> inMap; // Map of Objects requiring no conversion
private Map<String, String> inStrs; // Map of Strings requiring conversion
// Output objects that have identical sets of properties.
private BenchBean outBean;
private DynaBean outDyna;
// BeanUtilsBean instance to be used
private BeanUtilsBean bu;
/**
* Sets up instance variables required by this test case.
*/
@BeforeEach
public void setUp() throws Exception {
// Set up loop counter (if property specified)
final String prop = System.getProperty("counter");
if (prop != null) {
counter = Long.parseLong(prop);
}
// Set up DynaClass for our DynaBean instances
dynaClass = new BasicDynaClass("BenchDynaClass", null,
new DynaProperty[] { new DynaProperty("booleanProperty", Boolean.TYPE), new DynaProperty("byteProperty", Byte.TYPE),
new DynaProperty("doubleProperty", Double.TYPE), new DynaProperty("floatProperty", Float.TYPE),
new DynaProperty("intProperty", Integer.TYPE), new DynaProperty("longProperty", Long.TYPE),
new DynaProperty("shortProperty", Short.TYPE), new DynaProperty("stringProperty", String.class), });
// Create input instances
inBean = new BenchBean();
inMap = new HashMap<>();
inMap.put("booleanProperty", Boolean.valueOf(inBean.getBooleanProperty()));
inMap.put("byteProperty", Byte.valueOf(inBean.getByteProperty()));
inMap.put("doubleProperty", Double.valueOf(inBean.getDoubleProperty()));
inMap.put("floatProperty", Float.valueOf(inBean.getFloatProperty()));
inMap.put("intProperty", Integer.valueOf(inBean.getIntProperty()));
inMap.put("longProperty", Long.valueOf(inBean.getLongProperty()));
inMap.put("shortProperty", Short.valueOf(inBean.getShortProperty()));
inMap.put("stringProperty", inBean.getStringProperty());
inDyna = dynaClass.newInstance();
Iterator<String> inKeys = inMap.keySet().iterator();
while (inKeys.hasNext()) {
final String inKey = inKeys.next();
inDyna.set(inKey, inMap.get(inKey));
}
inStrs = new HashMap<>();
inKeys = inMap.keySet().iterator();
while (inKeys.hasNext()) {
final String inKey = inKeys.next();
inStrs.put(inKey, inMap.get(inKey).toString());
}
// Create output instances
outBean = new BenchBean();
outDyna = dynaClass.newInstance();
for (final String outKey : inMap.keySet()) {
outDyna.set(outKey, inMap.get(outKey));
}
// Set up BeanUtilsBean instance we will use
bu = BeanUtilsBean.getInstance();
}
/**
* Tear down instance variables required by this test case.
*/
@AfterEach
public void tearDown() {
dynaClass = null;
inBean = null;
inDyna = null;
inMap = null;
outBean = null;
outDyna = null;
bu = null;
}
// Time copyProperties() from a bean
@Test
void testCopyPropertiesBean() throws Exception {
long startMillis;
long stopMillis;
// Bean->Bean
for (long i = 0; i < counter; i++) {
bu.copyProperties(outBean, inBean);
}
startMillis = System.currentTimeMillis();
for (long i = 0; i < counter; i++) {
bu.copyProperties(outBean, inBean);
}
stopMillis = System.currentTimeMillis();
System.err.println("BU.copyProperties(bean,bean), count=" + counter + ", time=" + (stopMillis - startMillis));
// Bean->Dyna
for (long i = 0; i < counter; i++) {
bu.copyProperties(outDyna, inBean);
}
startMillis = System.currentTimeMillis();
for (long i = 0; i < counter; i++) {
bu.copyProperties(outDyna, inBean);
}
stopMillis = System.currentTimeMillis();
System.err.println("BU.copyProperties(dyna,bean), count=" + counter + ", time=" + (stopMillis - startMillis));
}
// Time copyProperties() from a DynaBean
@Test
void testCopyPropertiesDyna() throws Exception {
long startMillis;
long stopMillis;
// Dyna->Bean
for (long i = 0; i < counter; i++) {
bu.copyProperties(outBean, inDyna);
}
startMillis = System.currentTimeMillis();
for (long i = 0; i < counter; i++) {
bu.copyProperties(outBean, inDyna);
}
stopMillis = System.currentTimeMillis();
System.err.println("BU.copyProperties(bean,dyna), count=" + counter + ", time=" + (stopMillis - startMillis));
// Dyna->Dyna
for (long i = 0; i < counter; i++) {
bu.copyProperties(outDyna, inDyna);
}
startMillis = System.currentTimeMillis();
for (long i = 0; i < counter; i++) {
bu.copyProperties(outDyna, inDyna);
}
stopMillis = System.currentTimeMillis();
System.err.println("BU.copyProperties(dyna,dyna), count=" + counter + ", time=" + (stopMillis - startMillis));
}
// Time copyProperties() from a Map of Objects
@Test
void testCopyPropertiesMap() throws Exception {
long startMillis;
long stopMillis;
// Map->Bean
for (long i = 0; i < counter; i++) {
bu.copyProperties(outBean, inMap);
}
startMillis = System.currentTimeMillis();
for (long i = 0; i < counter; i++) {
bu.copyProperties(outBean, inMap);
}
stopMillis = System.currentTimeMillis();
System.err.println("BU.copyProperties(bean, map), count=" + counter + ", time=" + (stopMillis - startMillis));
// Map->Dyna
for (long i = 0; i < counter; i++) {
bu.copyProperties(outDyna, inMap);
}
startMillis = System.currentTimeMillis();
for (long i = 0; i < counter; i++) {
bu.copyProperties(outDyna, inMap);
}
stopMillis = System.currentTimeMillis();
System.err.println("BU.copyProperties(dyna, map), count=" + counter + ", time=" + (stopMillis - startMillis));
}
// Time copyProperties() from a Map of Strings
@Test
void testCopyPropertiesStrs() throws Exception {
long startMillis;
long stopMillis;
// Strs->Bean
for (long i = 0; i < counter; i++) {
bu.copyProperties(outBean, inStrs);
}
startMillis = System.currentTimeMillis();
for (long i = 0; i < counter; i++) {
bu.copyProperties(outBean, inStrs);
}
stopMillis = System.currentTimeMillis();
System.err.println("BU.copyProperties(bean,strs), count=" + counter + ", time=" + (stopMillis - startMillis));
// Strs->Dyna
for (long i = 0; i < counter; i++) {
bu.copyProperties(outDyna, inStrs);
}
startMillis = System.currentTimeMillis();
for (long i = 0; i < counter; i++) {
bu.copyProperties(outDyna, inStrs);
}
stopMillis = System.currentTimeMillis();
System.err.println("BU.copyProperties(dyna,strs), count=" + counter + ", time=" + (stopMillis - startMillis));
}
// Time populate() from a Map of Objects
@Test
void testPopulateMap() throws Exception {
long startMillis;
long stop;
// Map->Bean
for (long i = 0; i < counter; i++) {
bu.populate(outBean, inMap);
}
startMillis = System.currentTimeMillis();
for (long i = 0; i < counter; i++) {
bu.populate(outBean, inMap);
}
stop = System.currentTimeMillis();
System.err.println("BU.populate(bean, map), count=" + counter + ", time=" + (stop - startMillis));
// Map->Dyna
for (long i = 0; i < counter; i++) {
bu.populate(outDyna, inMap);
}
startMillis = System.currentTimeMillis();
for (long i = 0; i < counter; i++) {
bu.populate(outDyna, inMap);
}
stop = System.currentTimeMillis();
System.err.println("BU.populate(dyna, map), count=" + counter + ", time=" + (stop - startMillis));
}
// Time populate() from a Map of Strings
// NOTE - This simulates what Struts does when processing form beans
@Test
void testPopulateStrs() throws Exception {
long startMillis;
long stop;
// Strs->Bean
for (long i = 0; i < counter; i++) {
bu.populate(outBean, inStrs);
}
startMillis = System.currentTimeMillis();
for (long i = 0; i < counter; i++) {
bu.populate(outBean, inStrs);
}
stop = System.currentTimeMillis();
System.err.println("BU.populate(bean,strs), count=" + counter + ", time=" + (stop - startMillis));
// Strs->Dyna
for (long i = 0; i < counter; i++) {
bu.populate(outDyna, inStrs);
}
startMillis = System.currentTimeMillis();
for (long i = 0; i < counter; i++) {
bu.populate(outDyna, inStrs);
}
stop = System.currentTimeMillis();
System.err.println("BU.populate(dyna,strs), count=" + counter + ", time=" + (stop - startMillis));
}
}