ziver/zutil
1
0
Fork 0
Code Issues Pull requests Activity Actions

Added benchmark lib

Browse source
This commit is contained in:
Ziver Koc 2013-08-02 14:49:16 +00:00
parent fe66cc9962
commit b9a662e4b3
5 changed files with 169 additions and 44 deletions
Download patch file Download diff file Expand all files Collapse all files

12
src/zutil/parser/json/JSONObjectInputStream.java
View file

@ -37,11 +37,11 @@ import javax.activation.UnsupportedDataTypeException;
public class JSONObjectInputStream extends InputStream implements ObjectInput, Closeable{
private JSONParser parser;
private HashMap<Integer, Object> objCache;
private HashMap<Integer, Object> objectCache;
public JSONObjectInputStream(Reader in) {
this.parser = new JSONParser(in);
this.objCache = new HashMap<Integer, Object>();
this.objectCache = new HashMap<Integer, Object>();
}
public Object readObject() throws IOException {
@ -60,15 +60,15 @@ public class JSONObjectInputStream extends InputStream implements ObjectInput, C
} catch (ClassNotFoundException e) {
e.printStackTrace();
} finally {
objCache.clear();
objectCache.clear();
}
return null;
}
protected Object readObject(DataNode json) throws IllegalAccessException, InstantiationException, ClassNotFoundException, IllegalArgumentException, UnsupportedDataTypeException {
// See if the Object id is in the cache before continuing
if(json.getString("@object_id") != null && objCache.containsKey(json.getInt("@object_id")))
return objCache.get(json.getInt("@object_id"));
if(json.getString("@object_id") != null && objectCache.containsKey(json.getInt("@object_id")))
return objectCache.get(json.getInt("@object_id"));
Class<?> objClass = Class.forName(json.getString("@class"));
Object obj = objClass.newInstance();
@ -87,7 +87,7 @@ public class JSONObjectInputStream extends InputStream implements ObjectInput, C
}
// Add object to the cache
if(json.getString("@object_id") != null)
objCache.put(json.getInt("@object_id"), obj);
objectCache.put(json.getInt("@object_id"), obj);
return obj;
}

19
src/zutil/parser/json/JSONObjectOutputStream.java
View file

@ -89,6 +89,11 @@ public class JSONObjectOutputStream extends OutputStream implements ObjectOutput
out.write(new DataNode(s));
}
@Override
public void write(int b) throws IOException {
out.write(new DataNode(b));
}
public void writeUTF(String s) throws IOException {
out.write(new DataNode(s));
}
@ -98,6 +103,8 @@ public class JSONObjectOutputStream extends OutputStream implements ObjectOutput
out.write(getDataNode(obj));
} catch (IllegalAccessException e) {
throw new IOException("Unable to serialize object", e);
} finally {
objectCache.clear();
}
}
@ -185,11 +192,6 @@ public class JSONObjectOutputStream extends OutputStream implements ObjectOutput
return node;
}
@Override
public void write(int b) throws IOException {
// TODO:
}
/**
* Enable or disables the use of meta data in the JSON
* stream for class def and caching.
@ -200,11 +202,4 @@ public class JSONObjectOutputStream extends OutputStream implements ObjectOutput
generateMetaData = generate;
}
/**
* Reset the Object stream (clears the cache)
*/
public void reset(){
objectCache.clear();
}
}

128
src/zutil/test/JSONSerializerBenchmark.java Normal file
View file

@ -0,0 +1,128 @@
/*
* Copyright (c) 2013 ezivkoc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package zutil.test;
import com.carrotsearch.junitbenchmarks.BenchmarkRule;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.MethodRule;
import zutil.io.StringOutputStream;
import zutil.parser.json.JSONObjectInputStream;
import zutil.parser.json.JSONObjectOutputStream;
import zutil.test.JSONSerializerTest.*;
import java.io.*;
import java.util.Arrays;
import static org.junit.Assert.assertEquals;
public class JSONSerializerBenchmark {
private static final int TEST_EXECUTIONS = 2000;
@Rule
public BenchmarkRule benchmarkRun = new BenchmarkRule();
@Test
public void testJavaLegacySerialize() throws InterruptedException, IOException, ClassNotFoundException{
for(int i=0; i<TEST_EXECUTIONS; i++){
TestClass sourceObj = new TestClass().init();
ByteArrayOutputStream bout = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(bout);
out.writeObject(sourceObj);
out.flush();
out.close();
byte[] data = bout.toByteArray();
ByteArrayInputStream bin = new ByteArrayInputStream(data);
ObjectInputStream in = new ObjectInputStream(bin);
TestClass targetObj = (TestClass) in.readObject();
in.close();
assertEquals( sourceObj, targetObj );
}
}
@Test
public void testJavaJSONSerialize() throws InterruptedException, IOException, ClassNotFoundException{
for(int i=0; i<TEST_EXECUTIONS; i++){
TestClass sourceObj = new TestClass().init();
TestClass targetObj = JSONSerializerTest.sendReceiveObject(sourceObj);
assertEquals( sourceObj, targetObj );
}
}
@Test
public void testOutputJavaLegacySerialize() throws InterruptedException, IOException, ClassNotFoundException{
for(int i=0; i<TEST_EXECUTIONS; i++){
TestClass sourceObj = new TestClass().init();
ByteArrayOutputStream bout = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(bout);
out.writeObject(sourceObj);
out.flush();
out.close();
byte[] data = bout.toByteArray();
}
}
@Test
public void testOutputJavaJSONSerialize() throws InterruptedException, IOException, ClassNotFoundException{
for(int i=0; i<TEST_EXECUTIONS; i++){
TestClass sourceObj = new TestClass().init();
String targetObj = JSONSerializerTest.writeObjectToJson(sourceObj);
}
}
@Test
public void testInputJavaLegacySerialize() throws InterruptedException, IOException, ClassNotFoundException{
TestClass sourceObj = new TestClass().init();
ByteArrayOutputStream bout = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(bout);
out.writeObject(sourceObj);
out.flush();
out.close();
byte[] data = bout.toByteArray();
for(int i=0; i<TEST_EXECUTIONS; i++){
ByteArrayInputStream bin = new ByteArrayInputStream(data);
ObjectInputStream in = new ObjectInputStream(bin);
TestClass targetObj = (TestClass) in.readObject();
in.close();
}
}
@Test
public void testInputJavaJSONSerialize() throws InterruptedException, IOException, ClassNotFoundException{
TestClass sourceObj = new TestClass().init();
String sourceStr = JSONSerializerTest.writeObjectToJson(sourceObj);
for(int i=0; i<TEST_EXECUTIONS; i++){
TestClass targetObj = JSONSerializerTest.readObjectFromJson(sourceStr);
}
}
}

54
src/zutil/test/JSONSerializerTest.java
View file

@ -35,25 +35,6 @@ import zutil.parser.json.JSONObjectOutputStream;
public class JSONSerializerTest{
@Test
public void testJavaLegacySerialize() throws InterruptedException, IOException, ClassNotFoundException{
TestClass sourceObj = new TestClass().init();
ByteArrayOutputStream bout = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(bout);
out.writeObject(sourceObj);
out.flush();
out.close();
byte[] data = bout.toByteArray();
ByteArrayInputStream bin = new ByteArrayInputStream(data);
ObjectInputStream in = new ObjectInputStream(bin);
TestClass targetObj = (TestClass) in.readObject();
in.close();
assertEquals( sourceObj, targetObj );
}
@Test
public void testOutputSerializerWithPrimitives() throws InterruptedException, IOException, ClassNotFoundException{
TestClass sourceObj = new TestClass().init();
@ -116,19 +97,26 @@ public class JSONSerializerTest{
assertEquals( sourceObj, targetObj );
}
@Test
public void testInputSerializerWithStringArrays() throws InterruptedException, IOException, ClassNotFoundException{
TestClassStringArray sourceObj = new TestClassStringArray().init();
TestClassStringArray targetObj = sendReceiveObject(sourceObj);
assertEquals( sourceObj, targetObj );
}
/******************* Utility Functions ************************************/
private static <T> T sendReceiveObject(T sourceObj) throws IOException{
public static <T> T sendReceiveObject(T sourceObj) throws IOException{
return readObjectFromJson(
writeObjectToJson(sourceObj));
}
@SuppressWarnings("unchecked")
private static <T> T readObjectFromJson(String json) throws IOException{
public static <T> T readObjectFromJson(String json) throws IOException{
StringReader bin = new StringReader(json);
JSONObjectInputStream in = new JSONObjectInputStream(bin);
T targetObj = (T) in.readObject();
@ -136,8 +124,8 @@ public class JSONSerializerTest{
return targetObj;
}
private static <T> String writeObjectToJson(T sourceObj) throws IOException{
public static <T> String writeObjectToJson(T sourceObj) throws IOException{
StringOutputStream bout = new StringOutputStream();
JSONObjectOutputStream out = new JSONObjectOutputStream(bout);
@ -146,7 +134,7 @@ public class JSONSerializerTest{
out.close();
String data = bout.toString();
System.out.println(data);
//System.out.println(data);
return data;
}
@ -222,4 +210,18 @@ public class JSONSerializerTest{
Arrays.equals(this.array ,((TestClassArray)obj).array);
}
}
public static class TestClassStringArray{
private String[] array;
public TestClassStringArray init(){
array = new String[]{"test","string","array"};
return this;
}
public boolean equals(Object obj){
return obj instanceof TestClassStringArray &&
Arrays.equals(this.array ,((TestClassStringArray)obj).array);
}
}
}