boolean addRelation(FolderServerUser user, FolderServerGroup group, RelationLabel relation) {
String cypher = CypherQueryBuilder.addRelation(NodeLabel.USER, NodeLabel.GROUP, relation);
Map<String, Object> params =
CypherParamBuilder.matchFromNodeToNode(user.getId(), group.getId());
CypherQuery q = new CypherQueryWithParameters(cypher, params);
JsonNode jsonNode = executeCypherQueryAndCommit(q);
JsonNode errorsNode = jsonNode.at("/errors");
if (errorsNode.size() != 0) {
JsonNode error = errorsNode.path(0);
log.warn("Error while adding relation:", error);
}
return errorsNode.size() == 0;
}
