Examples with FailedAssignTopologyException com.alibaba.jstorm.utils.FailedAssignTopologyException used on opensource projects

Example 6 with FailedAssignTopologyException

use of com.alibaba.jstorm.utils.FailedAssignTopologyException in project jstorm by alibaba.

the class TaskScheduler method getDifferNodeTaskWokers.

private List<ResourceWorkerSlot> getDifferNodeTaskWokers(String name) {
    List<ResourceWorkerSlot> workers = new ArrayList<ResourceWorkerSlot>();
    workers.addAll(taskContext.getWorkerToTaskNum().keySet());
    for (Entry<String, List<ResourceWorkerSlot>> entry : taskContext.getSupervisorToWorker().entrySet()) {
        if (taskContext.getComponentNumOnSupervisor(entry.getKey(), name) != 0)
            workers.removeAll(entry.getValue());
    }
    if (workers.size() == 0)
        throw new FailedAssignTopologyException("there's no enough supervisor for making component: " + name + " 's tasks on different node");
    return workers;
}