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1
21 package com.db4o.test.legacy;
22
23 import java.io.*;
24
25 import com.db4o.*;
26 import com.db4o.test.*;
27
28
29 public class NestedArrays {
30
31 public Object  _object;
32
33 public Object [] _objectArray;
34
35 private static final int DEPTH = 5;
36
37 private static final int ELEMENTS = 3;
38
39 private static final String FILE = "nestedArrays.yap";
40
41
42 public NestedArrays(){
43
44 }
45
46
47 public static void main(String [] arguments) {
48
49 new File(FILE).delete();
50 ObjectContainer oc = Db4o.openFile(FILE);
51 NestedArrays nr = new NestedArrays();
52 nr.storeOne();
53
54 long storeStart = System.currentTimeMillis();
55 oc.set(nr);
56 long storeStop = System.currentTimeMillis();
57 oc.commit();
58 long commitStop = System.currentTimeMillis();
59
60 oc.close();
61 Db4o.configure().activationDepth(0);
62 oc = Db4o.openFile(FILE);
63 long loadStart = System.currentTimeMillis();
64 nr = (NestedArrays)oc.get(new NestedArrays()).next();
65 oc.activate(nr, Integer.MAX_VALUE);
66 long loadStop = System.currentTimeMillis();
67
68 oc.close();
69
70 long store = storeStop - storeStart;
71 long commit = commitStop - storeStop;
72 long load = loadStop - loadStart;
73
74 System.out.println(Db4o.version() + " running com.db4o.test.NestedArrays");
75 System.out.println("store: " + store + "ms");
76 System.out.println("commit: " + commit + "ms");
77 System.out.println("load: " + load + "ms");
78
79 }
80
81
82 public void storeOne(){
83
84 _object = new Object [ELEMENTS];
85 fill((Object [])_object, DEPTH);
86
87 _objectArray = new Object [ELEMENTS];
88 fill(_objectArray, DEPTH);
89 }
90
91 private void fill(Object [] arr, int depth){
92
93 if(depth <= 0){
94 arr[0] = "somestring";
95 arr[1] = new Integer (10);
96 return;
97 }
98
99 depth --;
100
101 for (int i = 0; i < ELEMENTS; i++) {
102 arr[i] = new Object [ELEMENTS];
103 fill((Object [])arr[i], depth );
104 }
105 }
106
107 public void testOne(){
108 Test.objectContainer().activate(this, Integer.MAX_VALUE);
109
110 check((Object [])_object, DEPTH);
111
112 check((Object [])_objectArray, DEPTH);
113
114
115 }
116
117 private void check(Object [] arr, int depth){
118 if(depth <= 0){
119 Test.ensure(arr[0].equals("somestring"));
120 Test.ensure(arr[1].equals(new Integer (10)));
121 return;
122 }
123
124 depth --;
125
126 for (int i = 0; i < ELEMENTS; i++) {
127 check((Object [])arr[i], depth );
128 }
129
130 }
131
132 }
133 |
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