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1
10
11 package com.triactive.jdo.test;
12
13 import java.util.Hashtable  ;
14 import java.util.Iterator ;
15 import java.util.Map ;
16 import java.util.Map.Entry;
17 import javax.jdo.InstanceCallbacks;
18 import javax.jdo.JDOHelper;
19 import javax.jdo.PersistenceManager;
20 import junit.framework.Assert;
21
22
23 public class HashtableWidget extends Widget implements InstanceCallbacks
24 {
25 private Hashtable normalMap = new Hashtable ();
26 private Hashtable normalObjectMap = new Hashtable ();
27 private int numWidgets = 0;
28
29
30 public HashtableWidget()
31 {
32 }
33
34
35 public Map getNormalMap()
36 {
37 return normalMap;
38 }
39
40
41 public Map getNormalObjectMap()
42 {
43 return normalObjectMap;
44 }
45
46
47 public int getNumWidgets()
48 {
49 return numWidgets;
50 }
51
52
53 public Object [] getSCOFieldValues()
54 {
55 return new Object [] { normalMap, normalObjectMap };
56 }
57
58
59 public Object clone()
60 {
61 HashtableWidget mw = (HashtableWidget)super.clone();
62
63
64 mw.normalMap = new Hashtable ();
65 mw.normalObjectMap = new Hashtable ();
66
67 Iterator i = normalMap.entrySet().iterator();
68
69 while (i.hasNext())
70 {
71 Entry e = (Entry)i.next();
72 String ks = (String )e.getKey();
73 Widget v = (Widget)clone(e.getValue());
74
75 Integer ki = new Integer (v.getIntField());
76
77 mw.normalMap.put(ks, v);
78 mw.normalObjectMap.put(ki, v);
79 }
80
81 return mw;
82 }
83
84
85
88
89 public void fillRandom()
90 {
91 fillRandom(r.nextInt(5));
92 }
93
94
95 public void fillRandom(int numWidgets)
96 {
97 fillRandom(numWidgets, false);
98 }
99
100
101
105
106 public void fillRandom(int numWidgets, boolean includeHtWidgets)
107 {
108 super.fillRandom();
109
110
113 Iterator i = normalMap.entrySet().iterator();
114
115 while (i.hasNext())
116 {
117 Entry e = (Entry)i.next();
118 Object skey = e.getKey();
119 Widget val = (Widget)e.getValue();
120
121 i.remove();
122
123 Integer ikey = new Integer (val.getIntField());
124
125 Assert.assertFalse("normalMap.containsKey() did not return false after removing existing key", normalMap.containsKey(skey));
126 Assert.assertTrue("normalObjectMap.remove() did not return non-null after removing existing key", normalObjectMap.remove(ikey) != null);
127 Assert.assertTrue("normalObjectMap.remove() did not return null attempting to remove non-existent key", normalObjectMap.remove(ikey) == null);
128
129 if (JDOHelper.isPersistent(this))
130 JDOHelper.getPersistenceManager(this).deletePersistent(val);
131 }
132
133 Assert.assertTrue("normalMap should have been empty", normalMap.isEmpty());
134 Assert.assertTrue("normalObjectMap should have been empty", normalObjectMap.isEmpty());
135
136
140 this.numWidgets = numWidgets;
141
142 while (numWidgets-- > 0)
143 {
144 Widget val;
145
146 switch (r.nextInt(includeHtWidgets ? 6 : 5))
147 {
148 case 0:
149 default:
150 val = new Widget();
151 break;
152 case 1:
153 val = new DateWidget();
154 break;
155 case 2:
156 val = new StringWidget();
157 break;
158 case 3:
159 val = new BinaryWidget();
160 break;
161 case 4:
162 val = new FloatWidget();
163 break;
164 case 5:
165 val = new HashtableWidget();
166 break;
167 }
168
169 Integer key;
170
171 do
172 {
173 val.fillRandom();
174 key = new Integer (val.getIntField());
175 } while (normalObjectMap.containsKey(key));
176
177 normalMap.put("K" + key, val);
178 normalObjectMap.put(key, val);
179 }
180
181 validate();
182 }
183
184
185 private void validate()
186 {
187 Assert.assertEquals("numWidgets != normalMap.size(): " + this, numWidgets, normalMap.size());
188 Assert.assertEquals("numWidgets != normalObjectMap.size(): " + this, numWidgets, normalObjectMap.size());
189 }
190
191
192
203
204 public boolean compareTo(Object obj)
205 {
206 validate();
207
208 if (obj == this)
209 return true;
210
211 if (!(obj instanceof HashtableWidget) || !super.compareTo(obj))
212 return false;
213
214 HashtableWidget w = (HashtableWidget)obj;
215
216 w.validate();
217
218 return compareMap(normalMap, w.normalMap) &&
219 compareMap(normalObjectMap, w.normalObjectMap);
220 }
221
222
223
229
230 public String toString()
231 {
232 StringBuffer s = new StringBuffer (super.toString());
233
234 s.append(" normalMap = ").append(normalMap);
235 s.append('\n');
236 s.append(" normalObjectMap = ").append(normalObjectMap);
237 s.append('\n');
238 s.append(" numWidgets = ").append(numWidgets);
239 s.append('\n');
240
241 return s.toString();
242 }
243
244
245 public void jdoPostLoad() {}
246 public void jdoPreClear() {}
247 public void jdoPreStore() {}
248
249
250 public void jdoPreDelete()
251 {
252 PersistenceManager myPM = JDOHelper.getPersistenceManager(this);
253 Object [] values = normalMap.values().toArray();
254
255 normalMap.clear();
256 normalObjectMap.clear();
257
258 myPM.deletePersistentAll(values);
259 }
260 }
261 |
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