package org.act.tstream.schedule; import java.util.Map; import java.util.Set; import org.act.tstream.schedule.default_assign.ResourceWorkerSlot; import org.act.tstream.utils.FailedAssignTopologyException; public interface IToplogyScheduler { void prepare(Map conf); Set<ResourceWorkerSlot> assignTasks(TopologyAssignContext contex) throws FailedAssignTopologyException; }