kafka AlterConsumerGroupOffsetsResult 源码

  • 2022-10-20
  • 浏览 (594)

kafka AlterConsumerGroupOffsetsResult 代码

文件路径:/clients/src/main/java/org/apache/kafka/clients/admin/AlterConsumerGroupOffsetsResult.java

/*
 * 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.clients.admin;

import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import org.apache.kafka.common.KafkaFuture;
import org.apache.kafka.common.TopicPartition;
import org.apache.kafka.common.annotation.InterfaceStability;
import org.apache.kafka.common.internals.KafkaFutureImpl;
import org.apache.kafka.common.protocol.Errors;

/**
 * The result of the {@link AdminClient#alterConsumerGroupOffsets(String, Map)} call.
 *
 * The API of this class is evolving, see {@link AdminClient} for details.
 */
@InterfaceStability.Evolving
public class AlterConsumerGroupOffsetsResult {

    private final KafkaFuture<Map<TopicPartition, Errors>> future;

    AlterConsumerGroupOffsetsResult(KafkaFuture<Map<TopicPartition, Errors>> future) {
        this.future = future;
    }

    /**
     * Return a future which can be used to check the result for a given partition.
     */
    public KafkaFuture<Void> partitionResult(final TopicPartition partition) {
        final KafkaFutureImpl<Void> result = new KafkaFutureImpl<>();

        this.future.whenComplete((topicPartitions, throwable) -> {
            if (throwable != null) {
                result.completeExceptionally(throwable);
            } else if (!topicPartitions.containsKey(partition)) {
                result.completeExceptionally(new IllegalArgumentException(
                    "Alter offset for partition \"" + partition + "\" was not attempted"));
            } else {
                final Errors error = topicPartitions.get(partition);
                if (error == Errors.NONE) {
                    result.complete(null);
                } else {
                    result.completeExceptionally(error.exception());
                }
            }
        });

        return result;
    }

    /**
     * Return a future which succeeds if all the alter offsets succeed.
     */
    public KafkaFuture<Void> all() {
        return this.future.thenApply(topicPartitionErrorsMap ->  {
            List<TopicPartition> partitionsFailed = topicPartitionErrorsMap.entrySet()
                .stream()
                .filter(e -> e.getValue() != Errors.NONE)
                .map(Map.Entry::getKey)
                .collect(Collectors.toList());
            for (Errors error : topicPartitionErrorsMap.values()) {
                if (error != Errors.NONE) {
                    throw error.exception(
                        "Failed altering consumer group offsets for the following partitions: " + partitionsFailed);
                }
            }
            return null;
        });
    }
}

相关信息

kafka 源码目录

相关文章

kafka AbortTransactionOptions 源码

kafka AbortTransactionResult 源码

kafka AbortTransactionSpec 源码

kafka AbstractOptions 源码

kafka Admin 源码

kafka AdminClient 源码

kafka AdminClientConfig 源码

kafka AlterClientQuotasOptions 源码

kafka AlterClientQuotasResult 源码

kafka AlterConfigOp 源码

0  赞