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1
6 package com.nightlabs.ipanema.config;
7
8 import java.io.Serializable  ;
9 import java.lang.reflect.Constructor ;
10 import java.lang.reflect.InvocationTargetException ;
11 import java.util.Collection ;
12 import java.util.HashMap ;
13 import java.util.HashSet ;
14 import java.util.Map ;
15 import java.util.Set ;
16
17 import javax.jdo.PersistenceManager;
18 import javax.jdo.Query;
19
20 import com.nightlabs.config.CfModList;
21 import com.nightlabs.inheritance.FieldInheriter;
22 import com.nightlabs.inheritance.FieldMetaData;
23 import com.nightlabs.inheritance.Inheritable;
24 import com.nightlabs.inheritance.SimpleFieldInheriter;
25
26
49 public abstract class ConfigModule implements Serializable , Inheritable
50 {
51 public static final String FETCH_GROUP_THIS_CONFIG_MODULE = "ConfigModule.this";
52
53 public static final String QUERY_GET_CONFIGMODULE = "getConfigModule";
54
55 protected ConfigModule()
56 {
57 super();
58 }
59
60 protected ConfigModule(Config cfg, String cfModID)
61 {
62 setPrimaryKeyFields(cfg.getOrganisationID(), cfg.getConfigID(), cfg.getClass().getName(), cfModID);
63 }
64
65 public ConfigModule(String organisationID, String configID, String implClassName, String cfModID)
66 {
67 setPrimaryKeyFields(organisationID, configID, implClassName, cfModID);
68 }
69
70
74 private String organisationID;
75
76
80 private String configID;
81
82
86 protected String implementationClassName;
87
88
92 private String cfModKey;
93
94
97 private boolean allowUserOverride;
98
99
102 private String cfModID;
103
104
119 protected Map fieldMetaDataMap = new HashMap ();
120
121 private void setPrimaryKeyFields(String organisationID, String configID, String implClassName, String cfModID)
122 {
123 this.organisationID = organisationID;
124 this.configID = configID;
125 this.implementationClassName = implClassName;
126 cfModKey = getCfModKey(this.getClass(), cfModID);
127 this.cfModID = cfModID;
128 }
129
130 public static String getCfModKey(Class cfModClass, String cfModID) {
131 String result = cfModClass.getName();
132 if (cfModID != null && "".equals(cfModID))
133 result += "/" + cfModID;
134 return result;
135 }
136
137 public String getOrganisationID()
138 {
139 return organisationID;
140 }
141
142 public String getConfigID()
143 {
144 return configID;
145 }
146
147 public String getCfModKey()
148 {
149 return cfModKey;
150 }
151
152 public String getCfModID()
153 {
154 return cfModID;
155 }
156
157
162 public boolean isAllowUserOverride()
163 {
164 return allowUserOverride;
165 }
166
167 public void setAllowUserOverride(boolean allowUserOverride)
168 {
169 this.allowUserOverride = allowUserOverride;
170 }
171
172
173
177 public abstract void init();
178
179 private static SimpleFieldInheriter fieldInheriter = new SimpleFieldInheriter();
180
181 public FieldInheriter getFieldInheriter(String fieldName)
182 {
183 return fieldInheriter;
184 }
185
186 private static Set nonInheritableFields = new HashSet ();
187
188 public FieldMetaData getFieldMetaData(String fieldName)
189 {
190 if (fieldName.startsWith("jdo"))
191 return null;
192
193 synchronized (nonInheritableFields)
194 {
195 if (nonInheritableFields.isEmpty())
196 {
197 nonInheritableFields.add("organisationID");
198 nonInheritableFields.add("configID");
199 nonInheritableFields.add("cfModID");
200 nonInheritableFields.add("cfModKey");
201 nonInheritableFields.add("allowUserOverride");
202 }
203 if (nonInheritableFields.contains(fieldName))
204 return null;
205 }
206
207 ConfigModuleSimpleFieldMetaData fmd = (ConfigModuleSimpleFieldMetaData)fieldMetaDataMap.get(fieldName);
208 if (fmd == null) {
209 fmd = new ConfigModuleSimpleFieldMetaData(this, fieldName);
210 fieldMetaDataMap.put(fieldName, fmd);
211 }
212 return fmd;
213 }
214
215 public static ConfigModule createNewConfigModule(PersistenceManager pm, boolean makePersistent, Class cfModClass, Config config, String cfModID)
216 throws InstantiationException , IllegalAccessException , ClassCastException , SecurityException , NoSuchMethodException , IllegalArgumentException , InvocationTargetException
217 {
218 Constructor constructor = cfModClass.getConstructor(new Class []{Config.class, String .class});
219 ConfigModule result = (ConfigModule)constructor.newInstance(new Object [] {config, cfModID});
220 result.init();
221 if (makePersistent)
222 pm.makePersistent(result);
223 return result;
224 }
225
226 public static ConfigModule getConfigModule(PersistenceManager pm, Config config, Class cfModClass, String cfModID)
227 {
228 Query q = pm.newNamedQuery(ConfigModule.class, QUERY_GET_CONFIGMODULE);
229 Map args = new HashMap ();
230 args.put("paramOrganisationID", config.getOrganisationID());
231 args.put("paramConfigID", config.getConfigID());
232 args.put("paramImplClassName", config.getClass().getName());
233 args.put("paramCfModKey", getCfModKey(cfModClass, cfModID));
234 q.setUnique(true);
235 return (ConfigModule)q.execute(args);
236 }
237
238 }
239
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