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// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.clustercontroller.core;
import com.yahoo.document.FixedBucketSpaces;
import java.util.Iterator;
/**
* Class checking whether a particular bucket space on a content node might have buckets pending.
*
* Aggregated stats over the entire content cluster is used to check this.
*/
public class AggregatedStatsMergePendingChecker implements MergePendingChecker {
private final AggregatedClusterStats stats;
public AggregatedStatsMergePendingChecker(AggregatedClusterStats stats) {
this.stats = stats;
}
@Override
public boolean mayHaveMergesPending(String bucketSpace, int contentNodeIndex) {
if (!stats.hasUpdatesFromAllDistributors()) {
return true;
}
ContentNodeStats nodeStats = stats.getStats().getContentNode(contentNodeIndex);
if (nodeStats != null) {
ContentNodeStats.BucketSpaceStats bucketSpaceStats = nodeStats.getBucketSpace(bucketSpace);
return (bucketSpaceStats != null && bucketSpaceStats.mayHaveBucketsPending());
}
return true;
}
}
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