Examples with ITopologyActionNotifierPlugin org.apache.storm.nimbus.ITopologyActionNotifierPlugin used on opensource projects

Example 1 with ITopologyActionNotifierPlugin

use of org.apache.storm.nimbus.ITopologyActionNotifierPlugin in project storm by apache.

the class Nimbus method createTopologyActionNotifier.

private static ITopologyActionNotifierPlugin createTopologyActionNotifier(Map<String, Object> conf) {
    String clazz = (String) conf.get(DaemonConfig.NIMBUS_TOPOLOGY_ACTION_NOTIFIER_PLUGIN);
    ITopologyActionNotifierPlugin ret = null;
    if (clazz != null && !clazz.isEmpty()) {
        ret = ReflectionUtils.newInstance(clazz);
        try {
            ret.prepare(conf);
        } catch (Exception e) {
            LOG.warn("Ignoring exception, Could not initialize {}", clazz, e);
            ret = null;
        }
    }
    return ret;
}

Example 2 with ITopologyActionNotifierPlugin

use of org.apache.storm.nimbus.ITopologyActionNotifierPlugin in project storm by apache.

the class Nimbus method shutdown.

@SuppressWarnings("deprecation")
@Override
public void shutdown() {
    shutdownCalls.mark();
    try {
        LOG.info("Shutting down master");
        timer.close();
        stormClusterState.disconnect();
        downloaders.cleanup();
        uploaders.cleanup();
        blobDownloaders.cleanup();
        blobUploaders.cleanup();
        blobListers.cleanup();
        scheduler.cleanup();
        blobStore.shutdown();
        leaderElector.close();
        assignmentsDistributer.close();
        ITopologyActionNotifierPlugin actionNotifier = nimbusTopologyActionNotifier;
        if (actionNotifier != null) {
            actionNotifier.cleanup();
        }
        zkClient.close();
        if (metricsStore != null) {
            metricsStore.close();
        }
        clusterMetricSet.setActive(false);
        LOG.info("Shut down master");
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}