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1
21 package com.db4o;
22
23 import com.db4o.foundation.*;
24 import com.db4o.reflect.ReflectClass;
25
26
27
30 public class YLong extends YapJavaClass
31 {
32
33 private static final Long  i_primitive = new Long (0);
34
35 public YLong(YapStream stream) {
36 super(stream);
37 }
38
39 public Object coerce(ReflectClass claxx, Object obj) {
40 return Coercion4.toLong(obj);
41 }
42
43 public Object defaultValue(){
44 return i_primitive;
45 }
46
47 public int getID(){
48 return 2;
49 }
50
51 protected Class primitiveJavaClass(){
52 return long.class;
53 }
54
55 public int linkLength(){
56 return YapConst.LONG_LENGTH;
57 }
58
59 Object primitiveNull(){
60 return i_primitive;
61 }
62
63 Object read1(YapReader a_bytes){
64 return new Long (readLong(a_bytes));
65 }
66
67 public static final long readLong(YapReader a_bytes){
68 long l_return = 0;
69 if (Deploy.debug){
70 a_bytes.readBegin(YapConst.YAPLONG);
71 if(Deploy.debugLong){
72 l_return = Long.parseLong(new YapStringIO().read(a_bytes, YapConst.LONG_BYTES).trim());
73 }else{
74 for (int i = 0; i < YapConst.LONG_BYTES; i++){
75 l_return = (l_return << 8) + (a_bytes._buffer[a_bytes._offset++] & 0xff);
76 }
77 }
78 a_bytes.readEnd();
79 }else{
80 for (int i = 0; i < YapConst.LONG_BYTES; i++){
81 l_return = (l_return << 8) + (a_bytes._buffer[a_bytes._offset++] & 0xff);
82 }
83 }
84 return l_return;
85 }
86
87 public void write(Object a_object, YapReader a_bytes){
88 writeLong(((Long )a_object).longValue(), a_bytes);
89 }
90
91 public static final void writeLong(long a_long, YapReader a_bytes){
92 if(Deploy.debug){
93 a_bytes.writeBegin(YapConst.YAPLONG);
94 if(Deploy.debugLong){
95 String l_s = " " + a_long;
96 new YapStringIO().write(a_bytes, l_s.substring(l_s.length() - YapConst.LONG_BYTES));
97 }
98 else{
99 for (int i = 0; i < YapConst.LONG_BYTES; i++){
100 a_bytes._buffer[a_bytes._offset++] = (byte) (a_long >> ((YapConst.LONG_BYTES - 1 - i) * 8));
101 }
102 }
103 a_bytes.writeEnd();
104 }else{
105 for (int i = 0; i < YapConst.LONG_BYTES; i++){
106 a_bytes._buffer[a_bytes._offset++] = (byte) (a_long >> ((YapConst.LONG_BYTES - 1 - i) * 8));
107 }
108 }
109 }
110
111 static final void writeLong(long a_long, byte[] bytes){
112 for (int i = 0; i < YapConst.LONG_BYTES; i++){
113 bytes[i] = (byte) (a_long >> ((YapConst.LONG_BYTES - 1 - i) * 8));
114 }
115 }
116
117
118
119
121 private long i_compareTo;
122
123 protected final long currentLong() {
124 return i_compareTo;
125 }
126
127 long val(Object obj){
128 return ((Long )obj).longValue();
129 }
130
131 void prepareComparison1(Object obj){
132 i_compareTo = val(obj);
133 }
134
135 public Object current1(){
136 return new Long (i_compareTo);
137 }
138
139 boolean isEqual1(Object obj){
140 return obj instanceof Long && val(obj) == i_compareTo;
141 }
142
143 boolean isGreater1(Object obj){
144 return obj instanceof Long && val(obj) > i_compareTo;
145 }
146
147 boolean isSmaller1(Object obj){
148 return obj instanceof Long && val(obj) < i_compareTo;
149 }
150
151 }
152 |
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