private String forAttribute()

in repository/src/main/java/org/apache/atlas/repository/graph/FullTextMapper.java [87:154]
59 lines of code
16 McCabe index (conditional complexity)

    private String forAttribute(IDataType type, Object value, boolean followReferences)
        throws AtlasException {
        if (value == null) {
            return null;
        }
        switch (type.getTypeCategory()) {
        case PRIMITIVE:
            return String.valueOf(value);
        case ENUM:

            return ((EnumValue) value).value;

        case ARRAY:
            StringBuilder fullText = new StringBuilder();
            IDataType elemType = ((DataTypes.ArrayType) type).getElemType();
            List list = (List) value;

            for (Object element : list) {
                String elemFullText = forAttribute(elemType, element, false);
                if (StringUtils.isNotEmpty(elemFullText)) {
                    fullText = fullText.append(FULL_TEXT_DELIMITER).append(elemFullText);
                }
            }
            return fullText.toString();

        case MAP:
            fullText = new StringBuilder();
            IDataType keyType = ((DataTypes.MapType) type).getKeyType();
            IDataType valueType = ((DataTypes.MapType) type).getValueType();
            Map map = (Map) value;

            for (Object entryObj : map.entrySet()) {
                Map.Entry entry = (Map.Entry) entryObj;
                String keyFullText = forAttribute(keyType, entry.getKey(), false);
                if (StringUtils.isNotEmpty(keyFullText)) {
                    fullText = fullText.append(FULL_TEXT_DELIMITER).append(keyFullText);
                }
                String valueFullText = forAttribute(valueType, entry.getValue(), false);
                if (StringUtils.isNotEmpty(valueFullText)) {
                    fullText = fullText.append(FULL_TEXT_DELIMITER).append(valueFullText);
                }
            }
            return fullText.toString();

        case CLASS:
            if (followReferences) {
                Id refId = ((ITypedReferenceableInstance) value).getId();
                String refGuid = refId._getId();
                AtlasVertex refVertex = typedInstanceToGraphMapper.lookupVertex(refId);
                if(refVertex == null) {
                    refVertex = graphHelper.getVertexForGUID(refGuid);
                }
                return mapRecursive(refVertex, false);
            }
            break;

        case STRUCT:
            if (followReferences) {
                return forInstance((ITypedInstance) value, true);
            }
            break;

        default:
            throw new IllegalStateException("Unhandled type category " + type.getTypeCategory());

        }
        return null;
    }