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Change RoutingTableProvider to support direct aggregating routing inf…
…ormation from CurrentStates in each liveinstance. When sourceDataType is set as CurrentState, RoutingTableProvider will listen on CurrentStateChanges and refresh routing table from CurrentStates upon changes.

RB=1221442
G=helix-reviewers
A=jxue
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lei-xia authored and junkaixue committed Apr 11, 2022
1 parent 6b992c0 commit 04f466e85cfdaac2acf61e12aad3ba64be263e15
Showing 2 changed files with 9 additions and 0 deletions.
@@ -42,4 +42,9 @@ public ClusterEventProcessor(String clusterName, String processorName) {
public void queueEvent(ClusterEvent event) {
_eventQueue.put(event.getEventType(), event);
}

public void shutdown() {
_eventQueue.clear();
this.interrupt();
}
}
@@ -43,6 +43,8 @@
import org.apache.helix.model.ExternalView;
import org.apache.helix.model.InstanceConfig;
import org.apache.helix.model.LiveInstance;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
* SourceClusterDataProvider listens to changes in 1 source cluster, notifies cluster data cache,
@@ -51,6 +53,8 @@
public class SourceClusterDataProvider extends BasicClusterDataCache
implements InstanceConfigChangeListener, LiveInstanceChangeListener,
ExternalViewChangeListener {
private static final Logger LOG = LoggerFactory.getLogger(SourceClusterDataProvider.class);

private final HelixManager _helixManager;
private final ClusterEventProcessor _eventProcessor;

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