spring-kafka ConsumerRecordMetadata 源码
spring-kafka ConsumerRecordMetadata 代码
文件路径：/spring-kafka/src/main/java/org/springframework/kafka/listener/adapter/ConsumerRecordMetadata.java
/*
* Copyright 2020 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 org.apache.kafka.clients.producer.RecordMetadata;
import org.apache.kafka.common.record.TimestampType;
/**
* Used to provide a listener method argument when the user supplies such a parameter.
* Delegates to {@link RecordMetadata} (which is final, hence no subclass) for all except
* timestamp type.
*
* @author Gary Russell
* @since 2.5
*
*/
public class ConsumerRecordMetadata {
private final RecordMetadata delegate;
private final TimestampType timestampType;
public ConsumerRecordMetadata(RecordMetadata delegate, TimestampType timestampType) {
this.delegate = delegate;
this.timestampType = timestampType;
}
public boolean hasOffset() {
return this.delegate.hasOffset();
}
public long offset() {
return this.delegate.offset();
}
public boolean hasTimestamp() {
return this.delegate.hasTimestamp();
}
public long timestamp() {
return this.delegate.timestamp();
}
public int serializedKeySize() {
return this.delegate.serializedKeySize();
}
public int serializedValueSize() {
return this.delegate.serializedValueSize();
}
public String topic() {
return this.delegate.topic();
}
public int partition() {
return this.delegate.partition();
}
public TimestampType timestampType() {
return this.timestampType;
}
@Override
public int hashCode() {
return this.delegate.hashCode() + this.timestampType.name().hashCode();
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof ConsumerRecordMetadata)) {
return false;
}
ConsumerRecordMetadata crm = (ConsumerRecordMetadata) obj;
return this.delegate.equals(crm.delegate)
&& this.timestampType.equals(crm.timestampType());
}
@Override
public String toString() {
return this.delegate.toString();
}
}
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