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Kafka on Pulsar implemented using Pulsar Protocol Handler

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/**
 * Copyright (c) 2019 - 2024 StreamNative, Inc.. All Rights Reserved.
 */
package io.streamnative.pulsar.handlers.kop.storage;

import java.util.concurrent.CompletableFuture;

public interface ProducerStateManagerSnapshotBuffer {

    /**
     * Write the snapshot to the storage.
     *
     * @param snapshot the snapshot
     * @return the future that indicates if the write operation succeeds
     */
    CompletableFuture write(ProducerStateManagerSnapshot snapshot);

    /**
     * Read the latest snapshot of the partition.
     *
     * @param partitionName the topic-partition name of the Pulsar format, e.g.
     *                      "persistent://public/default/my-topic-partition-0"
     * @return the future of the latest snapshot whose value is null if the partition's snapshot does not exist
     */
    CompletableFuture readLatestSnapshot(String partitionName);

    default void shutdown() {
    }
}