kafka ClientQuotaEntity 源码
kafka ClientQuotaEntity 代码
文件路径：/clients/src/main/java/org/apache/kafka/server/quota/ClientQuotaEntity.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.server.quota;
import java.util.List;
/**
* The metadata for an entity for which quota is configured. Quotas may be defined at
* different levels and `configEntities` gives the list of config entities that define
* the level of this quota entity.
*/
public interface ClientQuotaEntity {
/**
* Entity type of a {@link ConfigEntity}
*/
enum ConfigEntityType {
USER,
CLIENT_ID,
DEFAULT_USER,
DEFAULT_CLIENT_ID
}
/**
* Interface representing a quota configuration entity. Quota may be
* configured at levels that include one or more configuration entities.
* For example, {user, client-id} quota is represented using two
* instances of ConfigEntity with entity types USER and CLIENT_ID.
*/
interface ConfigEntity {
/**
* Returns the name of this entity. For default quotas, an empty string is returned.
*/
String name();
/**
* Returns the type of this entity.
*/
ConfigEntityType entityType();
}
/**
* Returns the list of configuration entities that this quota entity is comprised of.
* For {user} or {clientId} quota, this is a single entity and for {user, clientId}
* quota, this is a list of two entities.
*/
List<ConfigEntity> configEntities();
}
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