kafka ClusterDescriber 源码
kafka ClusterDescriber 代码
文件路径：/metadata/src/main/java/org/apache/kafka/metadata/placement/ClusterDescriber.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.metadata.placement;
import org.apache.kafka.common.annotation.InterfaceStability;
import java.util.Iterator;
/**
* Can describe a cluster to a ReplicaPlacer.
*/
@InterfaceStability.Unstable
public interface ClusterDescriber {
/**
* Get an iterator through the usable brokers.
*/
Iterator<UsableBroker> usableBrokers();
}
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