/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.kafka.coordinator.group;

import org.apache.kafka.common.TopicPartition;
import org.apache.kafka.common.protocol.Errors;

import java.util.Map;
import java.util.Set;
import java.util.concurrent.CompletableFuture;

/**
 * Client interface for retrieving latest offsets for topic partitions.
 */
public interface PartitionMetadataClient extends AutoCloseable {
    /**
     * Lists the latest offsets for the provided topic partitions.
     *
     * @param topicPartitions A set of topic partitions.
     * @return A map of topic partitions to the completableFuture of their latest offsets
     */
    Map<TopicPartition, CompletableFuture<OffsetResponse>> listLatestOffsets(
        Set<TopicPartition> topicPartitions
    );

    /**
     * A record to hold the offset and any associated error.
     */
    record OffsetResponse(
        long offset,
        Errors error
    ) { }
}
