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1
5 package org.h2.value;
6
7 import java.sql.PreparedStatement  ;
8 import java.sql.SQLException ;
9
10 import org.h2.util.ByteUtils;
11
12 abstract class ValueBytesBase extends Value {
13
14 private byte[] value;
15 private int hash;
16
17 protected ValueBytesBase(byte[] v) {
18 this.value = v;
19 }
20
21 public String getSQL() {
22 return "X'" + getString() + "'";
23 }
24
25 public byte[] getBytesNoCopy() {
26 return value;
27 }
28
29 public byte[] getBytes() {
30 return ByteUtils.cloneByteArray(value);
31 }
32
33 protected int compareSecure(Value v, CompareMode mode) {
34 byte[] v2 = ((ValueBytesBase) v).value;
35 return ByteUtils.compareNotNull(value, v2);
36 }
37
38 public String getString() {
39 return ByteUtils.convertBytesToString(value);
40 }
41
42 public long getPrecision() {
43 return value.length;
44 }
45
46 public int hashCode() {
47 if (hash == 0) {
48 hash = ByteUtils.getByteArrayHash(value);
49 }
50 return hash;
51 }
52
53 public Object getObject() {
54 return getBytes();
55 }
56
57 public void set(PreparedStatement prep, int parameterIndex) throws SQLException {
58 prep.setBytes(parameterIndex, value);
59 }
60
61 public int getDisplaySize() {
62 return value.length * 2;
63 }
64
65 protected boolean isEqual(Value v) {
66 return v instanceof ValueBytesBase && ByteUtils.compareNotNull(value, ((ValueBytesBase)v).value) == 0;
67 }
68
69
73 }
74 |
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