spring-kafka DefaultListenerMetadata 源码
spring-kafka DefaultListenerMetadata 代码
文件路径：/spring-kafka/src/main/java/org/springframework/kafka/listener/DefaultListenerMetadata.java
/*
* Copyright 2017-2022 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.springframework.lang.Nullable;
import org.springframework.util.Assert;
/**
* Default implementation for {@link ListenerMetadata}.
* @author Francois Rosiere
* @since 2.8.6
*/
class DefaultListenerMetadata implements ListenerMetadata {
private final MessageListenerContainer container;
DefaultListenerMetadata(MessageListenerContainer container) {
Assert.notNull(container, "'container' must not be null");
this.container = container;
}
@Override
@Nullable
public String getListenerId() {
return this.container.getListenerId();
}
@Override
@Nullable
public String getGroupId() {
return this.container.getGroupId();
}
@Override
@Nullable
public byte[] getListenerInfo() {
return this.container.getListenerInfo();
}
}
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