schema

graph.tx().rollback();

        TitanManagement titanManagement = graph.openManagement();

        titanManagement.makeVertexLabel(USER_LABEL).make();
        titanManagement.makeEdgeLabel(LIKE_RELATIONSHIP).multiplicity(Multiplicity.MULTI).make();
        titanManagement.makeEdgeLabel(DISLIKE_RELATIONSHIP).multiplicity(Multiplicity.MULTI).make();
        titanManagement.makeEdgeLabel(BLOCK_RELATIONSHIP).multiplicity(Multiplicity.MULTI).make();
        titanManagement.makeEdgeLabel(MATCH_RELATIONSHIP).multiplicity(Multiplicity.MULTI).make();

        titanManagement.makeEdgeLabel(SIMILAR_RELATIONSHIP).multiplicity(Multiplicity.MULTI).make();
        titanManagement.makePropertyKey(SIMILAR_WEIGHT).dataType(Integer.class).make();

        PropertyKey propertyKeyUserId = titanManagement.makePropertyKey(USER_ID).dataType(Integer.class).make();

        titanManagement.makePropertyKey(GENDER).dataType(String.class).make();
        titanManagement.makePropertyKey(COUNTRY_CODE).dataType(String.class).make();
        titanManagement.makePropertyKey(BIRTHDAY).dataType(String.class).make();
        titanManagement.makePropertyKey(LAST_ACCESS).dataType(String.class).make();

        titanManagement.makePropertyKey(CREATED_TIME).dataType(String.class).make();

        titanManagement.makePropertyKey(HIDDEN).dataType(Boolean.class).make();

        titanManagement
                .buildIndex("byUserIdIndex", Vertex.class)
                .addKey(propertyKeyUserId)
                .unique()
                .buildCompositeIndex();

        titanManagement.commit();

        ManagementSystem.awaitGraphIndexStatus(graph, "byUserIdIndex")
                .status(SchemaStatus.ENABLED)
                .call();