kafka RecordsToDelete 源码
kafka RecordsToDelete 代码
文件路径：/clients/src/main/java/org/apache/kafka/clients/admin/RecordsToDelete.java
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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
*
* http://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.apache.kafka.clients.admin;
import org.apache.kafka.common.annotation.InterfaceStability;
import java.util.Map;
/**
* Describe records to delete in a call to {@link Admin#deleteRecords(Map)}
*
* The API of this class is evolving, see {@link Admin} for details.
*/
@InterfaceStability.Evolving
public class RecordsToDelete {
private long offset;
private RecordsToDelete(long offset) {
this.offset = offset;
}
/**
* Delete all the records before the given {@code offset}
*
* @param offset the offset before which all records will be deleted
*/
public static RecordsToDelete beforeOffset(long offset) {
return new RecordsToDelete(offset);
}
/**
* The offset before which all records will be deleted
*/
public long beforeOffset() {
return offset;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
RecordsToDelete that = (RecordsToDelete) o;
return this.offset == that.offset;
}
@Override
public int hashCode() {
return (int) offset;
}
@Override
public String toString() {
return "(beforeOffset = " + offset + ")";
}
}
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