spring-kafka OffsetAndMetadataProvider 源码
spring-kafka OffsetAndMetadataProvider 代码
文件路径：/spring-kafka/src/main/java/org/springframework/kafka/listener/OffsetAndMetadataProvider.java
/*
* Copyright 2016-2022 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.listener;
import org.apache.kafka.clients.consumer.OffsetAndMetadata;
/**
* Provider for {@link OffsetAndMetadata}. The provider can be used to have more granularity when creating an
* {@link OffsetAndMetadata}. The provider is used for both sync and async commits of the offsets.
*
* @author Francois Rosiere
* @since 2.8.5
* @see org.apache.kafka.clients.consumer.OffsetCommitCallback
*/
public interface OffsetAndMetadataProvider {
/**
* Provide an offset and metadata object for the given listener metadata and offset.
*
* @param listenerMetadata metadata associated to a listener.
* @param offset an offset.
* @return an offset and metadata.
*/
OffsetAndMetadata provide(ListenerMetadata listenerMetadata, long offset);
}
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