public static String buildInstanceHierarchyRelationId(InstanceHierarchyRelationDefine define) {
            return define.instanceId + Const.SERVICE_ID_CONNECTOR + define.serviceLayer.value() +
                Const.RELATION_ID_CONNECTOR +
                define.relatedInstanceId + Const.SERVICE_ID_CONNECTOR + define.relatedServiceLayer.value();
        }
@return encoded instance hierarchy relation id
oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/IDManager.java