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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.config.*;
27 import com.db4o.query.*;
28 import com.db4o.test.*;
29
30 public class ByteArray {
31
32 public static interface IByteArrayHolder {
33 byte[] getBytes();
34 }
35
36 public static class ByteArrayHolder implements IByteArrayHolder {
37
38 public byte[] _bytes;
39
40 public ByteArrayHolder(byte[] bytes) {
41 this._bytes = bytes;
42 }
43
44 public byte[] getBytes() {
45 return _bytes;
46 }
47 }
48
49 public static class SerializableByteArrayHolder implements Serializable, IByteArrayHolder {
50
51 private static final long serialVersionUID = 1L;
52
53 public byte[] _bytes;
54
55 public SerializableByteArrayHolder(byte[] bytes) {
56 this._bytes = bytes;
57 }
58
59 public byte[] getBytes() {
60 return _bytes;
61 }
62 }
63
64 static final int INSTANCES = 2;
65
66 static final int ARRAY_LENGTH = 1024*512;
67
68 public void store() {
69 Test.close();
70
71 com.db4o.Db4o.configure().objectClass(SerializableByteArrayHolder.class).translate(new TSerializable());
72 Test.open();
73
74 for (int i=0; i<INSTANCES; ++i) {
75 Test.store(new ByteArrayHolder(createByteArray()));
76 Test.store(new SerializableByteArrayHolder(createByteArray()));
77 }
78 }
79
80 public void testByteArrayHolder() {
81 timeQueryLoop("raw byte array", ByteArrayHolder.class);
82 }
83
84 public void testSerializableByteArrayHolder() {
85 timeQueryLoop("TSerializable", SerializableByteArrayHolder.class);
86 }
87
88 private void timeQueryLoop(String  label, final Class clazz) {
89
90 Test.close();
91 Test.open();
92
93 Query query = Test.query();
94 query.constrain(clazz);
95
96 ObjectSet os = query.execute();
97 Test.ensure(INSTANCES == os.size());
98
99 while (os.hasNext()) {
100 Test.ensure(ARRAY_LENGTH == ((IByteArrayHolder) os.next())
101 .getBytes().length);
102 }
103 }
104
105 byte[] createByteArray() {
106 byte[] bytes = new byte[ARRAY_LENGTH];
107 for (int i=0; i<bytes.length; ++i) {
108 bytes[i] = (byte)(i % 256);
109 }
110 return bytes;
111 }
112 }
113 |
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