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The Kafka client wrapper for 1.0.0
/**
* 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.one.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 1.0.0.
*/
public class ConsumerImpl extends KafkaConsumer implements Consumer {
public ConsumerImpl(final ConsumerConfiguration conf) {
super(conf.toProperties());
}
@Override
public List> receive(long timeoutMs) {
final List> records = new ArrayList<>();
poll(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);
}
}