io.github.eocqrs.kafka.consumer.KfConsumer Maven / Gradle / Ivy
/*
* Copyright (c) 2022 Aliaksei Bialiauski, EO-CQRS
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package io.github.eocqrs.kafka.consumer;
import io.github.eocqrs.kafka.Consumer;
import io.github.eocqrs.kafka.ConsumerSettings;
import org.apache.kafka.clients.consumer.ConsumerRebalanceListener;
import org.apache.kafka.clients.consumer.ConsumerRecords;
import org.apache.kafka.clients.consumer.KafkaConsumer;
import org.cactoos.list.ListOf;
import java.time.Duration;
import java.util.Collection;
/**
* Kafka Consumer.
*
* @param The key
* @param The value
* @author Aliaksei Bialiauski ([email protected])
* @since 0.0.0
*/
public final class KfConsumer implements Consumer {
/**
* Origin Kafka Consumer.
*/
private final KafkaConsumer origin;
/**
* Ctor.
*
* @param orgn origin Kafka Consumer
*/
public KfConsumer(final KafkaConsumer orgn) {
this.origin = orgn;
}
/**
* Ctor.
*
* @param settings Consumer Settings
* @see ConsumerSettings
*/
public KfConsumer(final ConsumerSettings settings) {
this(settings.consumer());
}
@Override
public void subscribe(final String... topics) {
this.subscribe(new ListOf<>(topics));
}
@Override
public void subscribe(final Collection topics) {
this.origin.subscribe(topics);
}
@Override
public void subscribe(final ConsumerRebalanceListener listener,
final String... topics) {
this.origin.subscribe(new ListOf<>(topics), listener);
}
@Override
public ConsumerRecords records(
final String topic, final Duration timeout
) {
this.subscribe(topic);
return this.origin.poll(timeout);
}
@Override
public void unsubscribe() {
this.origin.unsubscribe();
}
@Override
public void close() {
this.origin.close();
}
}
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