|
1
7 package org.jboss.cache.marshall;
8
9 import junit.framework.TestCase;
10
11 import java.io.ByteArrayOutputStream  ;
12 import java.io.File ;
13 import java.io.FileOutputStream ;
14 import java.io.ObjectInputStream ;
15 import java.io.ObjectOutputStream ;
16 import java.util.Random ;
17
18
23 public class JBossSerializationTest extends TestCase
24 {
25
26
28 public static boolean SAVE_FILE = false;
29 public static boolean USE_STRING = false;
30
31 static class DummyObject implements java.io.Serializable
32 {
33 private static final long serialVersionUID = -1374365296408936578L;
34 String stringName;
35
36 public DummyObject()
37 {
38 stringName = "Hello world, blah blah blah." + (new Random ().nextInt());
39 }
40
41 public boolean equals(Object obj)
42 {
43 return stringName.equals(((DummyObject) obj).stringName);
44 }
45 }
46
47 private static void saveBytes(File fileName, byte[] bytes) throws Exception
48 {
49 if (SAVE_FILE)
50 {
51 FileOutputStream fileOut = new FileOutputStream (fileName);
52 fileOut.write(bytes);
53 fileOut.close();
54 }
55 }
56
57 public void testSpeedSizeAndDefaults() throws Exception
58 {
59
60 assertTrue("JBoss Serialization should be enabled by default", ObjectSerializationFactory.useJBossSerialization);
61 assertEquals("Should be using the JBossObjectStreamFactory", JBossObjectStreamFactory.class, ObjectSerializationFactory.factory.getClass());
62 Object dummyObject = null;
63
64 if (USE_STRING)
65 {
66 dummyObject = "Hello world, blah blah blah.";
67 }
68 else
69 {
70 dummyObject = new DummyObject();
71 }
72
73 ObjectSerializationFactory.useJBossSerialization = false;
74 ObjectSerializationFactory.factory = new JavaObjectStreamFactory();
75 assertTrue("Should be false", !ObjectSerializationFactory.useJBossSerialization);
76
77
78 ByteArrayOutputStream out = new ByteArrayOutputStream ();
79
80 long start = 0;
81
82 for (int i = 0; i < 50000; i++)
83 {
84 out.reset();
85 if (i == 1000)
86 {
87 start = System.currentTimeMillis();
88 }
89 ObjectOutputStream objectOut = ObjectSerializationFactory.createObjectOutputStream(out);
90 objectOut.writeObject(dummyObject);
91 objectOut.close();
92
93 ObjectInputStream objectInput = ObjectSerializationFactory.createObjectInputStream(out.toByteArray());
94 Object newObject = objectInput.readObject();
95
96 assertEquals(dummyObject, newObject);
97 assertNotSame(dummyObject, newObject);
98 }
99
100
101 long javaSerializationTime = System.currentTimeMillis() - start;
102 int javaSerializationSize = out.toByteArray().length;
103
104 saveBytes(new File ("/tmp/fileJava.bin"), out.toByteArray());
105
106 ObjectSerializationFactory.useJBossSerialization = true;
107 ObjectSerializationFactory.factory = new JBossObjectStreamFactory();
108 assertTrue("Should be false", ObjectSerializationFactory.useJBossSerialization);
109
110 start = 0;
111 for (int i = 0; i < 50000; i++)
112 {
113 out.reset();
114 if (i == 1000)
115 {
116 start = System.currentTimeMillis();
117 }
118 ObjectOutputStream objectOut = ObjectSerializationFactory.createObjectOutputStream(out);
119 objectOut.writeObject(dummyObject);
120 objectOut.close();
121
122 ObjectInputStream objectInput = ObjectSerializationFactory.createObjectInputStream(out.toByteArray());
123 Object newObject = objectInput.readObject();
124
125 assertEquals(dummyObject, newObject);
126 assertNotSame(dummyObject, newObject);
127 }
128 long jbossSerializationTime = System.currentTimeMillis() - start;
129 int jbossSerializationSize = out.toByteArray().length;
130
131 System.out.println("FinishJBoss:" + System.currentTimeMillis());
132 saveBytes(new File ("/tmp/fileJBoss.bin"), out.toByteArray());
133
134 System.out.println("JBossSerialization Time:" + jbossSerializationTime);
135 System.out.println("JavaSerialization Time:" + javaSerializationTime);
136
137 System.out.println("JBossSerialization Size:" + jbossSerializationSize);
138 System.out.println("JavaSerialization Size:" + javaSerializationSize);
139
140 assertTrue("JBoss Serialization should be FASTER than Java Serialization. Java: " + javaSerializationTime + "; jboss: " + jbossSerializationTime, jbossSerializationTime < javaSerializationTime);
141 assertTrue("JBoss Serialization output should be SMALLER than Java Serialization. Java: " + javaSerializationSize + "; jboss: " + jbossSerializationSize, jbossSerializationSize < javaSerializationSize);
142 }
143
144 }
145 |
Popular Tags |
Java API By Example, From Geeks To Geeks.