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1
10
11 package com.triactive.jdo.test;
12
13 import com.triactive.jdo.store.OID;
14 import java.io.Serializable  ;
15 import java.util.ArrayList ;
16 import java.util.Collection ;
17 import java.util.HashMap ;
18 import java.util.Iterator ;
19 import java.util.Map ;
20 import java.util.Map.Entry;
21 import java.util.Random ;
22 import javax.jdo.JDOHelper;
23
24
25 public abstract class TestObject implements Cloneable , Serializable
26 {
27 protected static Random r = new Random (0);
28
29 public static boolean allowNegativeByteValues = true;
30
31
32 protected byte nextByte()
33 {
34 if (allowNegativeByteValues)
35 return (byte)(r.nextInt((int)Byte.MAX_VALUE * 2) - Byte.MAX_VALUE);
36 else
37 return (byte)r.nextInt((int)Byte.MAX_VALUE + 1);
38 }
39
40
41 protected char nextCharacter()
42 {
43 return (char)('!' + r.nextInt(93));
44 }
45
46
47 protected String nextString(int length)
48 {
49 StringBuffer s = new StringBuffer ();
50
51 while (length-- > 0)
52 s.append(nextCharacter());
53
54 return s.toString();
55 }
56
57
58 protected byte[] nextBinary(int length)
59 {
60 byte[] ba = new byte[length];
61
62 for (int i = 0; i < length; ++i)
63 ba[i] = (byte)(r.nextInt((int)Byte.MAX_VALUE * 2) - Byte.MAX_VALUE);
64
65 return ba;
66 }
67
68
69
73 protected boolean nextNull()
74 {
75 return r.nextInt(5) < 1;
76 }
77
78
79 public Object clone()
80 {
81 Object obj = null;
82
83 try { obj = super.clone(); } catch (CloneNotSupportedException e) {}
84
85 return obj;
86 }
87
88
89 public abstract void fillRandom();
90
91
92
103
104 public abstract boolean compareTo(Object obj);
105
106
107 public boolean equals(Object obj)
108 {
109 if (obj == this)
110 return true;
111
112 Object id = JDOHelper.getObjectId(this);
113
114 return id == null ? super.equals(obj) : id.equals(JDOHelper.getObjectId(obj));
115 }
116
117
118 public int hashCode()
119 {
120 Object id = JDOHelper.getObjectId(this);
121
122 return id == null ? super.hashCode() : id.hashCode();
123 }
124
125 public String toString()
126 {
127 StringBuffer s = new StringBuffer (getClass().getName() + ":");
128
129 s.append(" JVM id = ").append(System.identityHashCode(this));
130 s.append('\n');
131
132 Object id = JDOHelper.getObjectId(this);
133 s.append(" JDO id = ").append(id);
134 if (id instanceof OID)
135 s.append(" (").append(((OID)id).longValue()).append(')');
136 s.append('\n');
137
138 return s.toString();
139 }
140
141
142 public static Object clone(Object o)
143 {
144 if (o instanceof Number || o instanceof String || o instanceof Boolean )
145 return o;
146
147 try
148 {
149 return o.getClass().getMethod("clone", null).invoke(o, null);
150 }
151 catch (RuntimeException e)
152 {
153 throw e;
154 }
155 catch (Exception e)
156 {
157 throw new RuntimeException ("Clone failed", e);
158 }
159 }
160
161
162
173
174 public static boolean compareObject(Object o1, Object o2)
175 {
176 if (o1 == null)
177 return o2 == null;
178 else if (o1 instanceof TestObject)
179 return ((TestObject)o1).compareTo(o2);
180 else
181 return o1.equals(o2);
182 }
183
184
185
195
196 public static boolean compareCollection(Collection c1, Collection c2)
197 {
198 if (c1 == null)
199 return c2 == null;
200 else if (c2 == null)
201 return false;
202
203 if (c1.size() != c2.size())
204 return false;
205
206 c2 = new ArrayList (c2);
207
208 Iterator i = c1.iterator();
209
210 while (i.hasNext())
211 {
212 Object obj = i.next();
213
214 boolean found = false;
215 Iterator j = c2.iterator();
216
217 while (j.hasNext())
218 {
219 if (compareObject(obj, j.next()))
220 {
221 j.remove();
222 found = true;
223 break;
224 }
225 }
226
227 if (!found)
228 return false;
229 }
230
231 return c2.isEmpty();
232 }
233
234
235
245
246 public static boolean compareMap(Map m1, Map m2)
247 {
248 if (m1 == null)
249 return m2 == null;
250 else if (m2 == null)
251 return false;
252
253 if (m1.size() != m2.size())
254 return false;
255
256 m2 = new HashMap (m2);
257
258 Iterator i = m1.entrySet().iterator();
259
260 while (i.hasNext())
261 {
262 Entry e1 = (Entry)i.next();
263
264 boolean found = false;
265 Iterator j = m2.entrySet().iterator();
266
267 while (j.hasNext())
268 {
269 Entry e2 = (Entry)j.next();
270
271 if (compareObject(e1.getKey(), e2.getKey()) &&
272 compareObject(e1.getValue(), e2.getValue()))
273 {
274 j.remove();
275 found = true;
276 break;
277 }
278 }
279
280 if (!found)
281 return false;
282 }
283
284 return m2.isEmpty();
285 }
286 }
287 |
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