io.streamnative.kafka.client.three.zero.Consumer300Impl Maven / Gradle / Ivy

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The Kafka client wrapper for 3.0.x

There is a newer version: 4.0.0.4

/**
 * Licensed 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 io.streamnative.kafka.client.three.zero;

import io.streamnative.kafka.client.api.Consumer;
import io.streamnative.kafka.client.api.ConsumerConfiguration;
import io.streamnative.kafka.client.api.ConsumerRecord;
import io.streamnative.kafka.client.api.TopicOffsetAndMetadata;
import java.time.Duration;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.kafka.clients.consumer.KafkaConsumer;
import org.apache.kafka.clients.consumer.OffsetAndMetadata;
import org.apache.kafka.common.PartitionInfo;
import org.apache.kafka.common.TopicPartition;

/**
 * The implementation of Kafka consumer 3.0.0.
 */
public class Consumer300Impl extends KafkaConsumer implements Consumer {

    public Consumer300Impl(final ConsumerConfiguration conf) {
        super(conf.toProperties());
    }

    @Override
    public List> receive(long timeoutMs) {
        final List> records = new ArrayList<>();
        poll(Duration.ofMillis(timeoutMs)).forEach(record -> records.add(ConsumerRecord.create(record)));
        return records;
    }

    @Override
    public Map> listTopics(long timeoutMS) {
        return listTopics();
    }

    @Override
    public void commitOffsetSync(List offsets, Duration timeout) {
        HashMap offsetsMap = new HashMap<>();
        offsets.forEach(
                offsetAndMetadata -> offsetsMap.put(
                        offsetAndMetadata.createTopicPartition(TopicPartition.class),
                        offsetAndMetadata.createOffsetAndMetadata(OffsetAndMetadata.class)
                )
        );
        commitSync(offsetsMap);
    }
}