Examples with ROOT_NS org.janusgraph.graphdb.configuration.GraphDatabaseConfiguration.ROOT_NS used on opensource projects

Example 1 with ROOT_NS

use of org.janusgraph.graphdb.configuration.GraphDatabaseConfiguration.ROOT_NS in project janusgraph by JanusGraph.

the class JanusGraphFactory method open.

/**
 * Opens a {@link JanusGraph} database configured according to the provided configuration.
 * This method shouldn't be called by end users; it is used by internal server processes to
 * open graphs defined at server start that do not include the graphname property.
 *
 * @param configuration Configuration for the graph database
 * @param backupName Backup name for graph
 * @return JanusGraph graph database
 */
public static JanusGraph open(ReadConfiguration configuration, String backupName) {
    final ModifiableConfiguration config = new ModifiableConfiguration(ROOT_NS, (WriteConfiguration) configuration, BasicConfiguration.Restriction.NONE);
    final String graphName = config.has(GRAPH_NAME) ? config.get(GRAPH_NAME) : backupName;
    final JanusGraphManager jgm = JanusGraphManagerUtility.getInstance();
    if (null != graphName) {
        Preconditions.checkNotNull(jgm, JANUS_GRAPH_MANAGER_EXPECTED_STATE_MSG);
        return (JanusGraph) jgm.openGraph(graphName, gName -> new StandardJanusGraph(new GraphDatabaseConfigurationBuilder().build(configuration)));
    } else {
        if (jgm != null) {
            log.warn("You should supply \"graph.graphname\" in your .properties file configuration if you are opening " + "a graph that has not already been opened at server start, i.e. it was " + "defined in your YAML file. This will ensure the graph is tracked by the JanusGraphManager, " + "which will enable autocommit and rollback functionality upon all gremlin script executions. " + "Note that JanusGraphFactory#open(String === shortcut notation) does not support consuming the property " + "\"graph.graphname\" so these graphs should be accessed dynamically by supplying a .properties file here " + "or by using the ConfiguredGraphFactory.");
        }
        return new StandardJanusGraph(new GraphDatabaseConfigurationBuilder().build(configuration));
    }
}