kafka ConfigRepository 源码
kafka ConfigRepository 代码
文件路径：/core/src/main/scala/kafka/server/metadata/ConfigRepository.scala
/**
* 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 kafka.server.metadata
import java.util.Properties
import org.apache.kafka.common.config.ConfigResource
import org.apache.kafka.common.config.ConfigResource.Type
trait ConfigRepository {
/**
* Return a copy of the topic configuration for the given topic. Future changes will not be reflected.
*
* @param topicName the name of the topic for which the configuration will be returned
* @return a copy of the topic configuration for the given topic
*/
def topicConfig(topicName: String): Properties = {
config(new ConfigResource(Type.TOPIC, topicName))
}
/**
* Return a copy of the broker configuration for the given broker. Future changes will not be reflected.
*
* @param brokerId the id of the broker for which configuration will be returned
* @return a copy of the broker configuration for the given broker
*/
def brokerConfig(brokerId: Int): Properties = {
config(new ConfigResource(Type.BROKER, brokerId.toString))
}
/**
* Return a copy of the configuration for the given resource. Future changes will not be reflected.
* @param configResource the resource for which the configuration will be returned
* @return a copy of the configuration for the given resource
*/
def config(configResource: ConfigResource): Properties
}
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kafka BrokerMetadataListener 源码
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