Created
January 6, 2013 13:53
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package org.glassfish.json; | |
import java.io.IOException; | |
import java.io.StringReader; | |
import java.nio.file.FileSystems; | |
import java.nio.file.Files; | |
import java.nio.file.Path; | |
import javax.json.JsonObject; | |
import javax.json.JsonReader; | |
import junit.framework.TestCase; | |
public class JsonPerformanceTest extends TestCase { | |
private static final int TIMES = 1000 * 1000; | |
public static JsonObject object; | |
public void testMuchosThreads() throws IOException, InterruptedException { | |
int numberOfCores = Runtime.getRuntime().availableProcessors(); | |
int factor = 3; // Initially 1 | |
int numberOfThreads = factor * numberOfCores; | |
long time = System.currentTimeMillis(); | |
ReadStrings[] threads = new ReadStrings[numberOfThreads]; | |
for (int i = 0; i < numberOfThreads; i++) { | |
threads[i] = new ReadStrings(); | |
threads[i].start(); | |
} | |
for (int i = 0; i < numberOfThreads; i++) { | |
threads[i].join(); | |
} | |
long taken = System.currentTimeMillis() - time; | |
System.out.println(taken); | |
System.err.println(object.hashCode()); | |
} | |
class ReadStrings extends Thread { | |
@Override | |
public void run() { | |
Path path = FileSystems.getDefault().getPath(".", "src/test/resources/other-file.json"); | |
String someJson; | |
try { | |
someJson = new String(Files.readAllBytes(path)); | |
for (int i = 0; i < TIMES; i++) { | |
JsonReader reader = new JsonReader(new StringReader(someJson)); | |
object = reader.readObject(); | |
reader.close(); | |
} | |
} catch (IOException e) { | |
e.printStackTrace(); | |
} | |
} | |
} | |
} |
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