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1
21 package com.db4o;
22
23
24 final class YChar extends YapJavaClass {
25
26 static final int LENGTH = YapConst.CHAR_BYTES + YapConst.ADDED_LENGTH;
27
28 private static final Character  i_primitive = new Character ((char)0);
29
30 public YChar(YapStream stream) {
31 super(stream);
32 }
33
34 public Object defaultValue(){
35 return i_primitive;
36 }
37
38 public int getID() {
39 return 7;
40 }
41
42 public int linkLength() {
43 return LENGTH;
44 }
45
46 protected Class primitiveJavaClass() {
47 return char.class;
48 }
49
50 Object primitiveNull() {
51 return i_primitive;
52 }
53
54 Object read1(YapReader a_bytes) {
55 if (Deploy.debug) {
56 a_bytes.readBegin(YapConst.YAPCHAR);
57 }
58 byte b1 = a_bytes.readByte();
59 byte b2 = a_bytes.readByte();
60 if (Deploy.debug) {
61 a_bytes.readEnd();
62 }
63 char ret = (char) ((b1 & 0xff) | ((b2 & 0xff) << 8));
64 return new Character (ret);
65 }
66
67 public void write(Object a_object, YapReader a_bytes) {
68 if (Deploy.debug) {
69 a_bytes.writeBegin(YapConst.YAPCHAR);
70 }
71 char char_ = ((Character ) a_object).charValue();
72 a_bytes.append((byte) (char_ & 0xff));
73 a_bytes.append((byte) (char_ >> 8));
74 if (Deploy.debug) {
75 a_bytes.writeEnd();
76 }
77 }
78
79
81 private char i_compareTo;
82
83 private char val(Object obj) {
84 return ((Character ) obj).charValue();
85 }
86
87 void prepareComparison1(Object obj) {
88 i_compareTo = val(obj);
89 }
90
91 public Object current1(){
92 return new Character (i_compareTo);
93 }
94
95 boolean isEqual1(Object obj) {
96 return obj instanceof Character && val(obj) == i_compareTo;
97 }
98
99 boolean isGreater1(Object obj) {
100 return obj instanceof Character && val(obj) > i_compareTo;
101 }
102
103 boolean isSmaller1(Object obj) {
104 return obj instanceof Character && val(obj) < i_compareTo;
105 }
106
107 }
108 |
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