Examples with AbstractTopology org.voltdb.AbstractTopology used on opensource projects

Example 1 with AbstractTopology

use of org.voltdb.AbstractTopology in project voltdb by VoltDB.

the class TopologyZKUtils method readTopologyFromZK.

public static AbstractTopology readTopologyFromZK(ZooKeeper zk) {
    AbstractTopology topology = null;
    try {
        byte[] data = zk.getData(VoltZK.topology, false, null);
        String jsonTopology = new String(data, Charsets.UTF_8);
        topology = AbstractTopology.topologyFromJSON(jsonTopology);
    } catch (KeeperException | InterruptedException | JSONException e) {
        VoltDB.crashLocalVoltDB("Unable to read topology from ZK, dying", true, e);
    }
    return topology;
}