Github user jerrypeng commented on a diff in the pull request:
https://github.com/apache/storm/pull/921#discussion_r46719645
--- Diff: storm-core/src/jvm/backtype/storm/scheduler/Cluster.java ---
@@ -90,6 +92,23 @@ public Cluster(INimbus nimbus, Map<String,
SupervisorDetails> supervisors, Map<S
}
this.conf = storm_conf;
}
+
+ /**
+ * Get a copy of this cluster object
+ */
+ public Cluster getCopy() {
+ HashMap<String, SchedulerAssignmentImpl> newAssignments = new
HashMap<String, SchedulerAssignmentImpl>();
+ for (Map.Entry<String, SchedulerAssignmentImpl> entry :
this.assignments.entrySet()) {
+ newAssignments.put(entry.getKey(), new
SchedulerAssignmentImpl(entry.getValue().getTopologyId(),
entry.getValue().getExecutorToSlot()));
+ }
+ Map newConf = new HashMap<String, Object>();
+ newConf.putAll(this.conf);
+ Cluster copy = new Cluster(this.inimbus, this.supervisors,
newAssignments, newConf);
+ for (Map.Entry<String, String> entry : this.status.entrySet()) {
+ copy.setStatus(entry.getKey(), entry.getValue());
+ }
--- End diff --
will change
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