protected boolean startClassElement()

in openjpa-persistence/src/main/java/org/apache/openjpa/persistence/XMLPersistenceMetaDataParser.java [795:938]
142 lines of code
58 McCabe index (conditional complexity)

    protected boolean startClassElement(String name, Attributes attrs)
        throws SAXException {
        Object tag = (Object) _elems.get(name);
        boolean ret = false;
        if (tag == null) {
            if (isMappingOverrideMode())
                tag = startClassMappingElement(name, attrs);
            ret = tag != null;
        } else if (tag instanceof MetaDataTag) {
            switch ((MetaDataTag) tag) {
                case GENERATED_VALUE:
                    ret = startGeneratedValue(attrs);
                    break;
                case ID:
                    ret = startId(attrs);
                    break;
                case EMBEDDED_ID:
                    ret = startEmbeddedId(attrs);
                    break;
                case ID_CLASS:
                    ret = startIdClass(attrs);
                    break;
                case LOB:
                    ret = startLob(attrs);
                    break;
                case QUERY:
                    ret = startNamedQuery(attrs);
                    break;
                case QUERY_HINT:
                    ret = startQueryHint(attrs);
                    break;
                case NATIVE_QUERY:
                    ret = startNamedNativeQuery(attrs);
                    break;
                case QUERY_STRING:
                    ret = startQueryString(attrs);
                    break;
                case SEQ_GENERATOR:
                    ret = startSequenceGenerator(attrs);
                    break;
                case VERSION:
                    ret = startVersion(attrs);
                    break;
                case MAP_KEY:
                    ret = startMapKey(attrs);
                    break;
                case MAP_KEY_CLASS:
                    ret = startMapKeyClass(attrs);
                    break;
                case FLUSH_MODE:
                    ret = startFlushMode(attrs);
                    break;
                case ORDER_COLUMN:
                    ret = startOrderColumn(attrs);
                    break;
                case ORDER_BY:
                case ENTITY_LISTENERS:
                    ret = isMetaDataMode();
                    break;
                case EXCLUDE_DEFAULT_LISTENERS:
                    ret = startExcludeDefaultListeners(attrs);
                    break;
                case EXCLUDE_SUPERCLASS_LISTENERS:
                    ret = startExcludeSuperclassListeners(attrs);
                    break;
                case PRE_PERSIST:
                case POST_PERSIST:
                case PRE_REMOVE:
                case POST_REMOVE:
                case PRE_UPDATE:
                case POST_UPDATE:
                case POST_LOAD:
                    ret = startCallback((MetaDataTag) tag, attrs);
                    break;
                case DATASTORE_ID:
                    ret = startDatastoreId(attrs);
                    break;
                case DATA_CACHE:
                    ret = startDataCache(attrs);
                    break;
                case READ_ONLY:
                    ret = startReadOnly(attrs);
                    break;
                case EXTERNAL_VALS:
                    ret = startExternalValues(attrs);
                    break;
                case EXTERNAL_VAL:
                    ret = startExternalValue(attrs);
                    break;
                case EXTERNALIZER:
                    ret = startExternalizer(attrs);
                    break;
                case FACTORY:
                    ret = startFactory(attrs);
                    break;
                case FETCH_GROUPS:
                    ret = startFetchGroups(attrs);
                    break;
                case FETCH_GROUP:
                    ret = startFetchGroup(attrs);
                    break;
                case FETCH_ATTRIBUTE:
                    ret = startFetchAttribute(attrs);
                    break;
                case REFERENCED_FETCH_GROUP:
                    ret = startReferencedFetchGroup(attrs);
                    break;
                case OPENJPA_VERSION:
                    ret = true;
                    // TODO: right now the schema enforces this value, but may need to change in the future
                    break;
                default:
                    warnUnsupportedTag(name);
            }
        } else if (tag instanceof PersistenceStrategy) {
            PersistenceStrategy ps = (PersistenceStrategy) tag;
            if (_openjpaNamespace > 0) {
                if (ps == PERS
                    || ps == PERS_COLL
                    || ps == PERS_MAP)
                    ret = startStrategy(ps, attrs);
                else
                    ret = startExtendedStrategy(ps, attrs);
            }
            else {
                ret = startStrategy(ps, attrs);
            }
            if (ret)
                _strategy = ps;
        } else if (tag == ELEM_LISTENER)
            ret = startEntityListener(attrs);
        else if (tag == ELEM_ATTRS)
            ret = _mode != MODE_QUERY;
        else if (tag == ELEM_CASCADE)
            ret = isMetaDataMode();
        else if (tag == ELEM_CASCADE_ALL || tag == ELEM_CASCADE_PER
            || tag == ELEM_CASCADE_MER || tag == ELEM_CASCADE_REM
            || tag == ELEM_CASCADE_REF || tag == ELEM_CASCADE_DET)
            ret = startCascade(tag, attrs);

        if (ret)
            _parents.push(tag);
        return ret;
    }