spring-kafka SuffixingRetryTopicNamesProviderFactory 源码
spring-kafka SuffixingRetryTopicNamesProviderFactory 代码
文件路径：/spring-kafka/src/main/java/org/springframework/kafka/retrytopic/SuffixingRetryTopicNamesProviderFactory.java
/*
* Copyright 2021-2022 the original author or authors.
*
* 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
*
* https://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.springframework.kafka.retrytopic;
import org.springframework.kafka.config.KafkaListenerEndpoint;
import org.springframework.kafka.support.Suffixer;
/**
* Retry and dead letter naming handling that add a suffix to each name.
* The suffix is taken from {@link DestinationTopic.Properties#suffix()}
*
* @author Andrea Polci
*/
public class SuffixingRetryTopicNamesProviderFactory implements RetryTopicNamesProviderFactory {
@Override
public RetryTopicNamesProvider createRetryTopicNamesProvider(DestinationTopic.Properties properties) {
return new SuffixingRetryTopicNamesProvider(properties);
}
public static class SuffixingRetryTopicNamesProvider implements RetryTopicNamesProvider {
private final Suffixer suffixer;
public SuffixingRetryTopicNamesProvider(DestinationTopic.Properties properties) {
this.suffixer = new Suffixer(properties.suffix());
}
@Override
public String getEndpointId(KafkaListenerEndpoint endpoint) {
return this.suffixer.maybeAddTo(endpoint.getId());
}
@Override
public String getGroupId(KafkaListenerEndpoint endpoint) {
return this.suffixer.maybeAddTo(endpoint.getGroupId());
}
@Override
public String getClientIdPrefix(KafkaListenerEndpoint endpoint) {
return this.suffixer.maybeAddTo(endpoint.getClientIdPrefix());
}
@Override
public String getGroup(KafkaListenerEndpoint endpoint) {
return this.suffixer.maybeAddTo(endpoint.getGroup());
}
@Override
public String getTopicName(String topic) {
return this.suffixer.maybeAddTo(topic);
}
}
}
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