package perftest;
import java.io.*;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.module.afterburner.AfterburnerModule;
public class TestSerializePerf
{
public final static class IntBean
{
public int getA() { return 37; }
public int getBaobab() { return -123; }
public int getC() { return 0; }
public int getDonkey() { return 999999; }
public int getE() { return 1; }
public int getFoobar() { return 21; }
public int getG() { return 345; }
public int getHibernate() { return 99; }
}
public static void main(String[] args) throws Exception
{
// JsonFactory f = new org.codehaus.jackson.smile.SmileFactory();
JsonFactory f = new JsonFactory();
ObjectMapper mapperSlow = new ObjectMapper(f);
ObjectMapper mapperFast = new ObjectMapper(f);
// !!! TEST -- to get profile info, comment out:
mapperSlow.registerModule(new AfterburnerModule());
mapperFast.registerModule(new AfterburnerModule());
new TestSerializePerf().testWith(mapperSlow, mapperFast);
}
private void testWith(ObjectMapper slowMapper, ObjectMapper fastMapper)
throws IOException
{
ByteArrayOutputStream out = new ByteArrayOutputStream();
boolean fast = true;
final IntBean bean = new IntBean();
while (true) {
long now = System.currentTimeMillis();
ObjectMapper m = fast ? fastMapper : slowMapper;
int len = 0;
for (int i = 0; i < 399999; ++i) {
out.reset();
m.writeValue(out, bean);
len = out.size();
}
long time = System.currentTimeMillis() - now;
System.out.println("Mapper (fast: "+fast+"; "+len+"); took "+time+" msecs");
fast = !fast;
}
}
}