enumeration = loaded.enumerateClassMapping();
while ( enumeration.hasMoreElements() )
_mapping.addClassMapping( (ClassMapping) enumeration.nextElement() );
// gather "key-generator" tags
enumeration = loaded.enumerateKeyGeneratorDef();
while ( enumeration.hasMoreElements() ) {
_mapping.addKeyGeneratorDef( (KeyGeneratorDef) enumeration.nextElement() );
}
} catch ( Exception except ) {
throw new MappingException( except );