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1
27 package com.genimen.djeneric.repository;
28
29 import java.util.ArrayList  ;
30 import java.util.HashMap ;
31 import java.util.Iterator ;
32
33 import com.genimen.djeneric.repository.exceptions.DjenericException;
34
35 public class DjUid
36 {
37 DjExtent _extent;
38 HashMap _properties;
39 long _associatedObjectid;
40 String _descriptor;
41
42 public DjUid(DjExtent extent)
43 {
44 _extent = extent;
45 _properties = new HashMap ();
46 }
47
48 public void setProperty(String propertyName, String value) throws DjenericException
49 {
50 if (!_extent.getProperty(propertyName).isPartOfUID()) throw new DjenericException("Property " + propertyName
51 + " is not part of the UID");
52 _properties.put(propertyName, value);
53 }
54
55 public void setProperty(String propertyName, DjUid value) throws DjenericException
56 {
57 DjProperty prop = _extent.getProperty(propertyName);
58 if (!prop.isPartOfUID()) throw new DjenericException("Property " + propertyName + " is not part of the UID");
59 if (!(prop.getType() instanceof DjExtent)) throw new DjenericException("Property " + propertyName
60 + " is a link to a master");
61 _properties.put(propertyName, value);
62 }
63
64 public int getPropertyCount()
65 {
66 return _properties.size();
67 }
68
69 public String [] getPropertyNames()
70 {
71 ArrayList lst = new ArrayList ();
72 Iterator it = _properties.keySet().iterator();
73 while (it.hasNext())
74 lst.add(it.next());
75 return (String []) lst.toArray(new String [0]);
76 }
77
78 public boolean isUidProperty(String propertyName)
79 {
80 return _properties.get(propertyName) instanceof DjUid;
81 }
82
83 public String getString(String propertyName)
84 {
85 return _properties.get(propertyName).toString();
86 }
87
88 public DjUid getUid(String propertyName)
89 {
90 return (DjUid) _properties.get(propertyName);
91 }
92
93 public long getAssociatedObjectid()
94 {
95 return _associatedObjectid;
96 }
97
98 public void setAssociatedObjectid(long objectid)
99 {
100 _associatedObjectid = objectid;
101 }
102
103 public String getDescriptor()
104 {
105 return _descriptor;
106 }
107
108 public void setDescriptor(String descriptor)
109 {
110 _descriptor = descriptor;
111 }
112
113 public String toString()
114 {
115 return toString(0);
116 }
117
118 public String toString(int indent)
119 {
120 StringBuffer result = new StringBuffer (500);
121 StringBuffer indentStr = new StringBuffer (20);
122
123 for (int i = 0; i < indent; i++)
124 indentStr.append(" ");
125
126 result.append(indentStr.toString());
127 result.append("<uid extent=\"" + _extent.getName() + "\" id=\"" + getAssociatedObjectid() + "\">\n");
128 if (getDescriptor() != null)
129 {
130 result.append(indentStr.toString());
131 result.append(" <descr><![CDATA[" + getDescriptor() + "]]></descr>\n");
132 }
133 Iterator it = _properties.keySet().iterator();
134 while (it.hasNext())
135 {
136 String key = it.next().toString();
137 Object value = _properties.get(key);
138 result.append(indentStr.toString());
139 result.append(" <property name=\"" + key + "\" type=\"");
140
141 if (value instanceof DjUid)
142 {
143 result.append("uid\">\n" + ((DjUid) value).toString(indent + 4) + "\n" + indentStr.toString()
144 + " </property>\n");
145 }
146 else
147 {
148 if (value != null) result.append("text\"><![CDATA[" + value.toString() + "]]></property>\n");
149 }
150 }
151 result.append(indentStr.toString());
152 result.append("</uid>");
153 return result.toString();
154 }
155
156 public DjExtent getExtent()
157 {
158 return _extent;
159 }
160
161 public void setExtent(DjExtent extent)
162 {
163 _extent = extent;
164 }
165
166 public boolean equals(Object obj)
167 {
168 if (!(obj instanceof DjUid)) return false;
169 DjUid other = (DjUid) obj;
170
171 if (getPropertyCount() != other.getPropertyCount()) return false;
172
173 String [] names = getPropertyNames();
174 for (int i = 0; i < names.length; i++)
175 {
176 Object v1 = _properties.get(names[i]);
177 Object v2 = other._properties.get(names[i]);
178 if (v1 == null && v2 != null) return false;
179 if (v1 != null && v2 == null) return false;
180 if (!v1.equals(v2)) return false;
181 }
182 return true;
183 }
184
185 public int hashCode()
186 {
187 int result = 0;
188
189 String [] names = getPropertyNames();
190 for (int i = 0; i < names.length; i++)
191 {
192 Object o = _properties.get(names[i]);
193 if (o != null) result += o.hashCode();
194 }
195 return result;
196 }
197
198 }
199 |
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