spring-kafka KafkaListenerEndpointAdapter 源码
spring-kafka KafkaListenerEndpointAdapter 代码
文件路径：/spring-kafka/src/main/java/org/springframework/kafka/config/KafkaListenerEndpointAdapter.java
/*
* Copyright 2018-2019 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.config;
import java.util.Collection;
import java.util.Collections;
import java.util.regex.Pattern;
import org.springframework.kafka.listener.MessageListenerContainer;
import org.springframework.kafka.support.TopicPartitionOffset;
import org.springframework.kafka.support.converter.MessageConverter;
import org.springframework.lang.Nullable;
/**
* Adapter to avoid having to implement all methods.
*
* @author Gary Russell
* @since 2.2
*
*/
class KafkaListenerEndpointAdapter implements KafkaListenerEndpoint {
KafkaListenerEndpointAdapter() {
}
@Nullable
@Override
public String getId() {
return null;
}
@Nullable
@Override
public String getGroupId() {
return null;
}
@Nullable
@Override
public String getGroup() {
return null;
}
@Nullable
@Override
public Collection<String> getTopics() {
return Collections.emptyList();
}
@Nullable
@Override
public TopicPartitionOffset[] getTopicPartitionsToAssign() {
return new TopicPartitionOffset[0];
}
@Nullable
@Override
public Pattern getTopicPattern() {
return null;
}
@Nullable
@Override
public String getClientIdPrefix() {
return null;
}
@Nullable
@Override
public Integer getConcurrency() {
return null;
}
@Nullable
@Override
public Boolean getAutoStartup() { // NOSONAR
return null; // NOSONAR null check by caller
}
@Override
public void setupListenerContainer(MessageListenerContainer listenerContainer,
@Nullable MessageConverter messageConverter) {
}
@Override
public boolean isSplitIterables() {
return true;
}
}
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