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1 package org.hibernate.test.legacy;
3
4 import java.io.Serializable  ;
5 import java.util.List ;
6
7 import junit.framework.Test;
8 import junit.framework.TestSuite;
9 import junit.textui.TestRunner;
10 import org.hibernate.classic.Session;
11 import org.hibernate.test.TestCase;
12
13 public class NewPerformanceTest extends TestCase {
14
15 public NewPerformanceTest(String arg0) {
16 super(arg0);
17 }
18
19 public void testPerformance() throws Exception {
20
21 for ( int n=2; n<4000; n*=2 ) {
22
23 Simple[] simples = new Simple[n];
24 Serializable [] ids = new Serializable [n];
25 for ( int i=0; i<n; i++ ) {
26 simples[i] = new Simple();
27 simples[i].init();
28 simples[i].setCount(i);
29 ids[i] = new Long (i);
30 }
31
32 Session s = openSession();
33 prepare(s, simples, ids, n);
34 s.close();
35
36 long find = 0;
37 long flush = 0;
38
39 for ( int i=0; i<100; i++ ) {
40
41 s = openSession();
42 long time = System.currentTimeMillis();
43 List list = s.createQuery("from Simple s where not s.name='osama bin laden' and s.other is null").list();
44 find += System.currentTimeMillis() - time;
45 assertTrue( list.size()==n );
46 time = System.currentTimeMillis();
47 s.flush();
48 flush += System.currentTimeMillis() - time;
49 time = System.currentTimeMillis();
50 s.connection().commit();
51 find += System.currentTimeMillis() - time;
52 s.close();
53
54 }
55
56 System.out.println( "Objects: " + n + " - find(): " + find + "ms / flush(): " + flush + "ms / Ratio: " + ( (float) flush )/find );
57 System.out.println( "Objects: " + n + " flush time per object: " + flush / 100.0 / n );
58 System.out.println( "Objects: " + n + " load time per object: " + find / 100.0 / n );
59 s = openSession();
60 delete(s);
61 s.close();
62
63 }
64 }
65
66 private void prepare(Session s, Simple[] simples, Serializable [] ids, int N) throws Exception {
67 for ( int i=0; i<N; i++ ) {
68 s.save( simples[i], ids[i] );
69 }
70 s.flush();
71 s.connection().commit();
72 }
73
74 private void delete(Session s) throws Exception {
75 s.delete("from Simple s");
76 s.flush();
77 s.connection().commit();
78 }
79
80 public String [] getMappings() {
81 return new String [] { "legacy/Simple.hbm.xml" };
82 }
83
84 public static Test suite() throws Exception {
85 return new TestSuite(NewPerformanceTest.class);
86 }
87
88 public static void main(String [] args) throws Exception {
89 TestRunner.run( suite() );
90 }
91
92 }
93 |
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