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Elasticsearch subproject :test:framework
There is a newer version: 8.16.0
/*
 * 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;

import org.elasticsearch.action.ActionListener;
import org.elasticsearch.common.bytes.ReleasableBytesReference;
import org.elasticsearch.index.seqno.ReplicationTracker;
import org.elasticsearch.index.seqno.RetentionLeases;
import org.elasticsearch.index.snapshots.blobstore.BlobStoreIndexShardSnapshot;
import org.elasticsearch.index.store.Store;
import org.elasticsearch.index.store.StoreFileMetadata;
import org.elasticsearch.index.translog.Translog;
import org.elasticsearch.repositories.IndexId;

import java.util.List;
import java.util.concurrent.Executor;

/**
 * Wraps a {@link RecoveryTarget} to make all remote calls to be executed asynchronously using the provided {@code executor}.
 */
public class AsyncRecoveryTarget implements RecoveryTargetHandler {
    private final RecoveryTargetHandler target;
    private final Executor executor;

    public AsyncRecoveryTarget(RecoveryTargetHandler target, Executor executor) {
        this.executor = executor;
        this.target = target;
    }

    @Override
    public void prepareForTranslogOperations(int totalTranslogOps, ActionListener listener) {
        executor.execute(() -> target.prepareForTranslogOperations(totalTranslogOps, listener));
    }

    @Override
    public void finalizeRecovery(long globalCheckpoint, long trimAboveSeqNo, ActionListener listener) {
        executor.execute(() -> target.finalizeRecovery(globalCheckpoint, trimAboveSeqNo, listener));
    }

    @Override
    public void handoffPrimaryContext(ReplicationTracker.PrimaryContext primaryContext, ActionListener listener) {
        executor.execute(() -> target.handoffPrimaryContext(primaryContext, listener));
    }

    @Override
    public void indexTranslogOperations(
        List operations,
        int totalTranslogOps,
        long maxSeenAutoIdTimestampOnPrimary,
        long maxSeqNoOfDeletesOrUpdatesOnPrimary,
        RetentionLeases retentionLeases,
        long mappingVersionOnPrimary,
        ActionListener listener
    ) {
        executor.execute(
            () -> target.indexTranslogOperations(
                operations,
                totalTranslogOps,
                maxSeenAutoIdTimestampOnPrimary,
                maxSeqNoOfDeletesOrUpdatesOnPrimary,
                retentionLeases,
                mappingVersionOnPrimary,
                listener
            )
        );
    }

    @Override
    public void receiveFileInfo(
        List phase1FileNames,
        List phase1FileSizes,
        List phase1ExistingFileNames,
        List phase1ExistingFileSizes,
        int totalTranslogOps,
        ActionListener listener
    ) {
        executor.execute(
            () -> target.receiveFileInfo(
                phase1FileNames,
                phase1FileSizes,
                phase1ExistingFileNames,
                phase1ExistingFileSizes,
                totalTranslogOps,
                listener
            )
        );
    }

    @Override
    public void cleanFiles(
        int totalTranslogOps,
        long globalCheckpoint,
        Store.MetadataSnapshot sourceMetadata,
        ActionListener listener
    ) {
        executor.execute(() -> target.cleanFiles(totalTranslogOps, globalCheckpoint, sourceMetadata, listener));
    }

    @Override
    public void writeFileChunk(
        StoreFileMetadata fileMetadata,
        long position,
        ReleasableBytesReference content,
        boolean lastChunk,
        int totalTranslogOps,
        ActionListener listener
    ) {
        final ReleasableBytesReference retained = content.retain();
        final ActionListener wrappedListener = ActionListener.runBefore(listener, retained::close);
        boolean success = false;
        try {
            executor.execute(() -> target.writeFileChunk(fileMetadata, position, retained, lastChunk, totalTranslogOps, wrappedListener));
            success = true;
        } finally {
            if (success == false) {
                content.decRef();
            }
        }
    }

    @Override
    public void restoreFileFromSnapshot(
        String repository,
        IndexId indexId,
        BlobStoreIndexShardSnapshot.FileInfo snapshotFile,
        ActionListener listener
    ) {
        executor.execute(() -> target.restoreFileFromSnapshot(repository, indexId, snapshotFile, listener));
    }
}