kafka DefaultKafkaClientSupplier 源码
kafka DefaultKafkaClientSupplier 代码
文件路径：/streams/src/main/java/org/apache/kafka/streams/processor/internals/DefaultKafkaClientSupplier.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.streams.processor.internals;
import java.util.Map;
import org.apache.kafka.clients.admin.Admin;
import org.apache.kafka.clients.consumer.Consumer;
import org.apache.kafka.clients.consumer.KafkaConsumer;
import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.Producer;
import org.apache.kafka.common.serialization.ByteArrayDeserializer;
import org.apache.kafka.common.serialization.ByteArraySerializer;
import org.apache.kafka.streams.KafkaClientSupplier;
public class DefaultKafkaClientSupplier implements KafkaClientSupplier {
@Override
public Admin getAdmin(final Map<String, Object> config) {
// create a new client upon each call; but expect this call to be only triggered once so this should be fine
return Admin.create(config);
}
@Override
public Producer<byte[], byte[]> getProducer(final Map<String, Object> config) {
return new KafkaProducer<>(config, new ByteArraySerializer(), new ByteArraySerializer());
}
@Override
public Consumer<byte[], byte[]> getConsumer(final Map<String, Object> config) {
return new KafkaConsumer<>(config, new ByteArrayDeserializer(), new ByteArrayDeserializer());
}
@Override
public Consumer<byte[], byte[]> getRestoreConsumer(final Map<String, Object> config) {
return new KafkaConsumer<>(config, new ByteArrayDeserializer(), new ByteArrayDeserializer());
}
@Override
public Consumer<byte[], byte[]> getGlobalConsumer(final Map<String, Object> config) {
return new KafkaConsumer<>(config, new ByteArrayDeserializer(), new ByteArrayDeserializer());
}
}
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