org.elasticsearch.indices.recovery.plan.PeerOnlyRecoveryPlannerService Maven / Gradle / Ivy
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Elasticsearch subproject :server
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.indices.recovery.plan;
import org.elasticsearch.Version;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.core.Nullable;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.index.store.Store;
import org.elasticsearch.index.store.StoreFileMetadata;
import java.util.List;
import static org.elasticsearch.common.util.CollectionUtils.concatLists;
/**
* Service in charge of computing a {@link ShardRecoveryPlan} using only the physical files from the source peer.
*/
public class PeerOnlyRecoveryPlannerService implements RecoveryPlannerService {
public static final RecoveryPlannerService INSTANCE = new PeerOnlyRecoveryPlannerService();
@Override
public void computeRecoveryPlan(
ShardId shardId,
@Nullable String shardStateIdentifier,
Store.MetadataSnapshot sourceMetadata,
Store.MetadataSnapshot targetMetadata,
long startingSeqNo,
int translogOps,
Version targetVersion,
boolean useSnapshots,
ActionListener listener
) {
ActionListener.completeWith(listener, () -> {
Store.RecoveryDiff recoveryDiff = sourceMetadata.recoveryDiff(targetMetadata);
List filesMissingInTarget = concatLists(recoveryDiff.missing, recoveryDiff.different);
return new ShardRecoveryPlan(
ShardRecoveryPlan.SnapshotFilesToRecover.EMPTY,
filesMissingInTarget,
recoveryDiff.identical,
startingSeqNo,
translogOps,
sourceMetadata
);
});
}
}