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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.clustercontroller.core;
/**
* Implementations of this interface add constraints to when a node with
* pending global merges may be implicitly transitioned to Maintenance
* state in the default bucket space. This is to avoid flip-flopping nodes
* between being available and in maintenance when merge statistics
* change in a running system.
*/
public interface MaintenanceTransitionConstraint {
boolean maintenanceTransitionAllowed(int contentNodeIndex);
}
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