protected FieldDescriptor createFieldDesc(Class javaClass, FieldMapping fieldMap)
throws MappingException {
FieldDescriptor fieldDesc;
String ldapName;
// If not an LDAP field, return a stock field descriptor.
if (fieldMap.getLdap() == null) return super.createFieldDesc(javaClass, fieldMap);
// Create a DAX field descriptor
fieldDesc = super.createFieldDesc(javaClass, fieldMap);
if (fieldMap.getLdap().getName() == null) ldapName = fieldDesc.getFieldName();
else ldapName = fieldMap.getLdap().getName();
return new DAXFieldDescriptor((FieldDescriptorImpl) fieldDesc, ldapName);
}
/**
* Walks through all fields of a descriptor and resolves relation {@link ClassDescriptor}s by
* using mapping information or, if not present, resolution by file to support generated {@link
* ClassDescriptor}s. Resolved {@link ClassDescriptor}s will be set as a field's descriptor.
*
* @param clsDesc The ClassDescriptor in focus.
*/
protected void resolveRelations(final ClassDescriptor clsDesc) {
FieldDescriptor[] fields = clsDesc.getFields();
for (int i = 0; i < fields.length; ++i) {
FieldDescriptor field = fields[i];
ClassDescriptor desc = getDescriptor(field.getFieldType().getName());
// Resolve ClassDescriptor from the file system as well.
if (desc == null && !field.getFieldType().isPrimitive()) {
ClassResolutionByFile resolutionCommand = new ClassResolutionByFile();
resolutionCommand.addNature(ClassLoaderNature.class.getName());
ClassLoaderNature clNature = new ClassLoaderNature(resolutionCommand);
clNature.setClassLoader(getClassLoader());
desc = resolutionCommand.resolve(field.getFieldType());
((FieldDescriptorImpl) field).setClassDescriptor(desc);
}
if ((desc != null) && (field instanceof FieldDescriptorImpl)) {
((FieldDescriptorImpl) field).setClassDescriptor(desc);
}
}
}
protected FieldDescriptor findIdentityByName(
final List<FieldDescriptor> fldList, final String idName, final Class javaClass)
throws MappingException {
for (int i = 0; i < fldList.size(); i++) {
FieldDescriptor field = fldList.get(i);
if (idName.equals(field.getFieldName())) {
if (!(field.hasNature(FieldDescriptorJDONature.class.getName()))) {
throw new IllegalStateException("Identity field must be of type JDOFieldDescriptor");
}
String[] sqlName = new FieldDescriptorJDONature(field).getSQLName();
if (sqlName == null) {
throw new MappingException(
"mapping.noSqlName", field.getFieldName(), javaClass.getName());
}
fldList.remove(i);
return field;
}
}
return null;
}
