package org.opendaylight.controller.cluster.datastore.entityownership.selectionstrategy;
import java.util.Collection;
+import javax.annotation.Nullable;
/**
* An EntityOwnerSelectionStrategy is to be used by the EntityOwnershipShard to select a new owner from a collection
- * of candidates
+ * of candidates.
*/
public interface EntityOwnerSelectionStrategy {
/**
+ * Returns the time in millis owner selection should be delayed.
*
* @return the time in millis owner selection should be delayed
*/
- long selectionDelayInMillis();
+ long getSelectionDelayInMillis();
/**
+ * Selects a new owner from the list of viable candidates.
*
+ * @param currentOwner the current owner of the entity if any, null otherwise
* @param viableCandidates the available candidates from which to choose the new owner
* @return the new owner
*/
- String newOwner(Collection<String> viableCandidates);
+ String newOwner(@Nullable String currentOwner, Collection<String> viableCandidates);
}