spring-kafka RecordFilterStrategy 源码
spring-kafka RecordFilterStrategy 代码
文件路径：/spring-kafka/src/main/java/org/springframework/kafka/listener/adapter/RecordFilterStrategy.java
/*
* Copyright 2016-2021 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.adapter;
import java.util.Iterator;
import java.util.List;
import org.apache.kafka.clients.consumer.ConsumerRecord;
/**
* Implementations of this interface can signal that a record about
* to be delivered to a message listener should be discarded instead
* of being delivered.
*
* @param <K> the key type.
* @param <V> the value type.
*
* @author Gary Russell
*
*/
public interface RecordFilterStrategy<K, V> {
/**
* Return true if the record should be discarded.
* @param consumerRecord the record.
* @return true to discard.
*/
boolean filter(ConsumerRecord<K, V> consumerRecord);
/**
* Filter an entire batch of records; to filter all records, return an empty list, not
* null.
* @param records the records.
* @return the filtered records.
* @since 2.8
*/
default List<ConsumerRecord<K, V>> filterBatch(List<ConsumerRecord<K, V>> records) {
Iterator<ConsumerRecord<K, V>> iterator = records.iterator();
while (iterator.hasNext()) {
if (filter(iterator.next())) {
iterator.remove();
}
}
return records;
}
}
相关信息
相关文章
spring-kafka AbstractDelegatingMessageListenerAdapter 源码
spring-kafka AbstractFilteringMessageListener 源码
spring-kafka AbstractRetryingMessageListenerAdapter 源码
spring-kafka BatchMessagingMessageListenerAdapter 源码
spring-kafka BatchToRecordAdapter 源码
spring-kafka ConsumerRecordMetadata 源码
spring-kafka ConvertingMessageListener 源码
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
8、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦