@Override public Container create(Integer graphId, Map<String, Object> extraParam) { LOGGER.debug("Gephi: Setup container, nodes and edges."); Container container = CONTAINER_FACTORY.newContainer(); container.setReport(new Report()); try (Connection con = graphDataSource.getConnection()) { con.setAutoCommit(false); Map<String, Object> graphParam = graphDataSource.getGraphByID(con, graphId); graphParam.putAll(extraParam); ContainerLoader cl = container.getLoader(); setupDirectedMode(cl, graphParam); cl.addNodeColumn(KEY_URL, String.class); cl.addNodeColumn(KEY_TAG, String[].class); addNodes(graphId, con, cl, graphParam); addEdges(graphId, con, cl, graphParam); } catch (SQLException e) { throw new RuntimeException(e); } return container; }