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1
25
26 package org.objectweb.jonas_ejb.deployment.api;
27
28 import java.lang.reflect.Field  ;
29 import java.lang.reflect.Modifier ;
30 import java.util.HashMap ;
31 import java.util.Iterator ;
32
33 import org.objectweb.jonas_ejb.deployment.xml.AssemblyDescriptor;
34 import org.objectweb.jonas_ejb.deployment.xml.Entity;
35 import org.objectweb.jonas_ejb.deployment.xml.CmpField;
36 import org.objectweb.jonas_ejb.deployment.xml.JonasEntity;
37 import org.objectweb.jonas_ejb.deployment.xml.JdbcMapping;
38 import org.objectweb.jonas_ejb.lib.BeanNaming;
39 import org.objectweb.jonas_lib.deployment.api.DeploymentDescException;
40 import org.objectweb.jonas_lib.deployment.xml.JLinkedList;
41
42
48 public abstract class EntityCmpDesc extends EntityDesc {
49
50 protected HashMap fieldDesc = new HashMap ();
51 protected String primaryKeyField = null;
52 protected String jdbcAutomaticPkFieldName = null;
53
54
63 public EntityCmpDesc(ClassLoader classLoader, Entity ent,
64 AssemblyDescriptor asd, JonasEntity jEnt,
65 JLinkedList jMDRList, String fileName)
66 throws DeploymentDescException {
67
68 super(classLoader, ent, asd, jEnt, jMDRList, fileName);
69
70 for (Iterator i = ent.getCmpFieldList().iterator(); i.hasNext();) {
72 String fn = ((CmpField) i.next()).getFieldName();
73 FieldDesc fd = this.newFieldDescInstance();
74 fd.setName(fn);
75 fd.setPrimaryKey(false);
76 fieldDesc.put(fn, fd);
77
78 }
79
80 JdbcMapping jm = jEnt.getJdbcMapping();
82 if ((jm != null) && (jm.getJdbcAutomaticPkFieldName() != null)) {
83 if (jm.getJdbcAutomaticPkFieldName().length() != 0) {
84 jdbcAutomaticPkFieldName = jm.getJdbcAutomaticPkFieldName();
85 }
86 }
87 if (jdbcAutomaticPkFieldName == null) {
88 jdbcAutomaticPkFieldName = "JPK_";
90 }
91
92 if (isUndefinedPK()) { primaryKeyField = "JONASAUTOPKFIELD";
95 } else if (ent.getPrimkeyField() != null) {
96 primaryKeyField = ent.getPrimkeyField();
98 FieldDesc fd = (FieldDesc) fieldDesc.get(primaryKeyField);
99 if (fd == null) {
100 throw new DeploymentDescException("primkey-field " + primaryKeyField + " is not listed as cmp-field in bean " + this.ejbName);
101 }
102 fd.setPrimaryKey(true);
103 } else {
104 Field [] pcf = primaryKeyClass.getFields();
106 for (int i = 0; i < pcf.length; i++) {
107 if (Modifier.isPublic(pcf[i].getModifiers())) {
108 String pn = pcf[i].getName();
109 if (!pn.equals("serialVersionUID") && !pn.startsWith("JProbe$")) {
112 FieldDesc fd = (FieldDesc) fieldDesc.get(pn);
113 if (fd == null) {
114 throw new DeploymentDescException("public field " + pn + " of primkey-class is not listed as cmp-field in bean " + this.ejbName);
115 }
116 fd.setPrimaryKey(true);
117 }
118 }
119 }
120 }
121 String packageName = BeanDesc.GENERATED_PREFIX + BeanNaming.getPackageName(getEjbClass().getName());
122 derivedBeanName = new String ("JOnAS" + getIdentifier() + "Bean");
123 fullDerivedBeanName = BeanNaming.getClassName(packageName, derivedBeanName);
124
125 String primkeytype = ent.getPrimKeyClass();
128 if ((jm != null) && (jm.getAutomaticPk() != null)) {
129 jdbcAutomaticPk = jm.getAutomaticPk().equalsIgnoreCase("true");
131 if (jdbcAutomaticPk && pkObjectType) {
132 throw new DeploymentDescException("Don't use specific tag 'automatic-pk' with prim-key-type=java.lang.Object in bean " + ent.getEjbName());
134 }
135 }
136 if (pkObjectType && ent.getPrimkeyField() != null) {
137 throw new DeploymentDescException("'prim-key-field' must not be set if your prim-key-type was java.lang.Object in bean " + ent.getEjbName());
138 }
139 if (this.isAutomaticPk()) { if (!(primkeytype.equalsIgnoreCase("java.lang.Integer")
141 || primkeytype.equalsIgnoreCase("Integer"))) {
142 throw new DeploymentDescException("You must used java.lang.Integer type for your auto-generate primary key field in bean " + ent.getEjbName());
143 }
144 }
145 }
146
147
153 public FieldDesc getCmpFieldDesc(String fieldName) {
154 return (FieldDesc) fieldDesc.get(fieldName);
155 }
156
157
163 public boolean hasSimplePkField() {
164 return primaryKeyField != null;
165 }
166
167 public boolean hasPrimaryKeyField() {
169 return hasSimplePkField();
170 }
171
172
176 public FieldDesc getSimplePkField() {
177 FieldDesc fd = (FieldDesc) fieldDesc.get(getSimplePkFieldName());
178 return fd;
179 }
180
181
185 public String getSimplePkFieldName() {
186 if (primaryKeyField == null) {
187 throw new Error ("No primary key field defined for bean " + this.ejbName);
188 }
189 return primaryKeyField;
190 }
191
192 public String getPrimaryKeyFieldName() {
194 return getSimplePkFieldName();
195 }
196
197
201 public String getJdbcAutomaticPkFieldName() {
202 return jdbcAutomaticPkFieldName;
203 }
204
205 public Iterator getCmpFieldDescIterator() {
206 return fieldDesc.values().iterator();
207 }
208
212 public String toString() {
213 StringBuffer ret = new StringBuffer ();
214 ret.append(super.toString());
215 for (Iterator i = fieldDesc.keySet().iterator(); i.hasNext();) {
216 String f = (String ) i.next();
217 FieldDesc fd = (FieldDesc) fieldDesc.get(f);
218 ret.append("\ngetCmpFieldDesc(" + f + ")=" + fd.getClass().getName());
219 ret.append(fd.toString());
220 }
221 if (hasPrimaryKeyField()) {
222 ret.append("\ngetPrimaryKeyField()=" + getPrimaryKeyFieldName());
223 }
224 return ret.toString();
225 }
226
227
231 protected FieldDesc newFieldDescInstance() {
232 return new FieldJdbcDesc();
233 }
234 }
235
236 |
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