Examples with StatusType com.alibaba.jstorm.daemon.nimbus.StatusType used on opensource projects

Example 1 with StatusType

use of com.alibaba.jstorm.daemon.nimbus.StatusType in project jstorm by alibaba.

the class RefreshActive method run.

@Override
public void run() {
    try {
        StatusType newTopologyStatus;
        // /ZK-DIR/topology
        StormBase base = zkCluster.storm_base(topologyId, this);
        if (base == null) {
            // normally the topology has been removed
            LOG.warn("Failed to get StormBase from ZK of " + topologyId);
            newTopologyStatus = StatusType.killed;
        } else {
            newTopologyStatus = base.getStatus().getStatusType();
        }
        // Process the topology status change
        StatusType oldTopologyStatus = workerData.getTopologyStatus();
        List<TaskShutdownDameon> tasks = workerData.getShutdownTasks();
        if (tasks == null) {
            LOG.info("Tasks aren't ready or are beginning to shutdown");
            return;
        }
        // If all connections were done, start to update topology status. Otherwise, just return.
        if (oldTopologyStatus == null) {
            if (!workerData.getWorkeInitConnectionStatus().get()) {
                return;
            }
        }
        if (oldTopologyStatus == null || !newTopologyStatus.equals(oldTopologyStatus)) {
            LOG.info("Old TopologyStatus:" + oldTopologyStatus + ", new TopologyStatus:" + newTopologyStatus);
            if (newTopologyStatus.equals(StatusType.active)) {
                for (TaskShutdownDameon task : tasks) {
                    if (task.getTask().getTaskStatus().isInit()) {
                        task.getTask().getTaskStatus().setStatus(TaskStatus.RUN);
                    } else {
                        task.active();
                    }
                }
            } else if (oldTopologyStatus == null || !oldTopologyStatus.equals(StatusType.inactive)) {
                for (TaskShutdownDameon task : tasks) {
                    if (task.getTask().getTaskStatus().isInit()) {
                        task.getTask().getTaskStatus().setStatus(TaskStatus.PAUSE);
                    } else {
                        task.deactive();
                    }
                }
            }
            workerData.setTopologyStatus(newTopologyStatus);
            if (base != null) {
                boolean newMonitorEnable = base.isEnableMonitor();
                boolean oldMonitorEnable = monitorEnable.get();
                if (newMonitorEnable != oldMonitorEnable) {
                    LOG.info("Change MonitorEnable from " + oldMonitorEnable + " to " + newMonitorEnable);
                    monitorEnable.set(newMonitorEnable);
                }
            }
        }
    } catch (Exception e) {
        LOG.error("Failed to get topology from ZK ", e);
    }
}